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Oral/Poster presentations in English to Presentations in Japanese
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  1. Okuma, S., and T. Nakatsuka [2015.06] High-resolution aeromagnetic survey over the plate boundary in the northern Suruga Bay, central Japan. 26th IUGG General Meeting (Prague).
  2. Okuma, S., T. Nakatsuka, Y. Yamaya, and M. Komazawa [2014.06] Aeromagnetic constraints on the basement structure of the Ishikari Depression and its surrounding area, Hokkaido Japan. Integration of Magnetics And Gravity in Northern Exploration (Geological Society of Norway).
  3. Okuma, S., T. Ueda, T. Nakatsuka, Y. Mitsuhata, M. Jinguuji, and T. Uchida [2013.11] Aeromagnetic anomalies in the inundation area by the tsunami of the 2011 off the Pacific coast of Tohoku Earthquake, northeast Japan. 11th SEGJ Intl. Symp., 165.
  4. Okuma, S., T. Nakatsuka, T. Hashimoto, M. Utsugi, W. Kanda, and T. Koyama [2013.10] Aeromagnetic 3D imaging of temporal magnetic anomaly changes detected by a repeat aeromagnetic survey - an example of Usu volcano, Hokkaido Japan. 2013 GSA Annual Meeting.
  5. Nakatsuka, T., and S. Okuma [2012.05] Aeromagnetic 3D subsurface imaging and its application to the data of Otoge Cauldron, Shitara area, Central Japan. JpGU Meeting 2012, STT03-P02.
  6. Okuma, S., and T. Nakatsuka [2012.05] Magnetic Constraints on the Basement Structure of the Northern Kyushu, Southwestern Japan. JpGU Meeting 2012, STT03-P01.
  7. Okuma, S., M. Makino, T. Nakatsuka, M. Komazawa, and H. Yamamoto [2011.11] Geophysical evidence for buried volcanic structures beneath the Fukui Plain, central Japan. 10th SEGJ Intl. Symp., 57.
  8. Hashimoto, T., M. Utsugi, T. Nakatsuka, S. Okuma, T. Koyama, and W. Kanda [2011.11] Temporal magnetic changes possibly due to cooling magmas as revealed by repeat helicopter-borne surveys over an active volcano. 10th SEGJ Intl. Symp., 56.
  9. Nakatsuka, T. and S. Okuma [2011.11] Aeromagnetic 3D subsurface imaging in the Otoge Cauldron, Shitara area, Central Japan. 10th SEGJ Intl. Symp., P-19.
  10. Okuma, S., H. Kanaya, and T. Nakatsuka [2011.07] Physical properties and magnetic anomalies of Cretaceous to Paleogene granitic rocks in Japan. 2011 IUGG General Assembly.
  11. Okuma, S., M. Makino, and T. Nakatsuka [2011.07] Aeromagnetic evidence for buried volcanic structures beneath the Fukui Plain, central Japan. 2011 IUGG General Assembly.
  12. Nakatsuka, T., S. Okuma, and Y. Ishizuka [2010.12] Aeromagnetic constraints on the subsurface structure of Usu Volcano, Hokkaido Japan. AGU 2010 Fall Meeting, NS31A-1382.
  13. Okuma S., T. Nakatsuka, S. Takakura, N. Matsushima, and S. Nakano [2010.12] Aeromagnetic and resistive evidence for a concealed depression associated with a past flank collapse of Fuji Volcano, Central Japan. AGU 2010 Fall Meeting, NS34A-04.
  14. Nakatsuka, T. and S. Okuma [2009.10] Aeromagnetic 3D subsurface imaging with source volume minimization. 9th SEGJ Intl. Symp., 6.
  15. Okuma, S., T. Nakatsuka, M. Komazawa, N. Matsushima, H. Satoh, S. Takakura, Y. Ishizuka, S. Onizawa, Y. Ogawa, and T. Mogi [2009.10] Integrated geophysical constraints on the subsurface structure of Usu Volcano, Hokkaido Japan. 9th SEGJ Intl. Symp., 11.
  16. Kotani, H., T. Nakatsuka, F. Watanabe, and T. Yoshida [2009.10] Comparative study on the efficiency of the dual-coil flux-meter type and the uni-axis gradio-fluxgate type sensors in buried iron magnetic prospecting. 9th SEGJ Intl. Symp., 117.
  17. Okubo, A., W. Kanda, T. Nakatsuka, and S. Okuma [2008.08] Numerical experiments on geomagnetic variations due to the piezomagnetic and thermomagnetic effects associated with hydrothermal fluid circulation. IAVCEI 2008 General Assembly, Reykjavik, Iceland.
  18. Okuma, S., C. Stotter, R. Supper, T. Nakatsuka, and R. Furukawa [2007.12] Aeromagnetic constraints on the subsurface structure of Stromboli Volcano, Aeolian Islands, Italy. AGU 2007 Fall Meeting, NS34A-06.
  19. Okubo, A., Y. Tanaka, T. Nakatsuka, T. Kagiyama, W. Kanda, N. Kitada, M. Utsugi, K. Ishihara, H. Shimizu, T. Matsushima, D. Miki, T. Takayama, and M. Fukushima [2007.11] Utility of aeromagnetic studies for imaging of subsurface structures in two active volcanoes: Unzen and Sakurajima volcanoes, Kyushu, Japan. Cities on Volcanoes 5, 11-P-10.
  20. Okuma, S., T. Nakatsuka, and H. Kanaya [2007.07] Aeromagnetic constraints on the upper crustal structure of seismogenic regions in the Japanese Islands. 2007 IUGG General Assembly, JAS012.
  21. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, and T. Hashimoto [2007.07] Detection of aeromagnetic anomaly change associated with volcanic activities — Application of generalized mis-tie control. 2007 IUGG General Assembly, JAS012.
  22. Okuma, S., and T. Nakatsuka [2006.01] High-resolution aeromagnetic surveys for geologic hazard mitigation in Japan. Intl. Symp. Airborne Geophysics 2006.
  23. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [2006.01] Aeromagnetic anomaly map of the Japanese Islands —Compilation from variety of surveys with long epoch differences. Intl. Symp. Airborne Geophysics 2006.
  24. Nakatsuka, T., and S. Okuma [2006.01] Reduction of geomagnetic anomalies from the observation at varying elevations with helicopter survey. Intl. Symp. Airborne Geophysics 2006.
  25. Okuma, S., and T. Nakatsuka [2006.01] Aeromagnetic survey: its role and the state of the art for understanding the crustal structure. Intl. Symp. Airborne Geophysics 2006.
  26. Okubo, A., T. Nakatsuka, Y. Tanaka, T. Kagiyama, and M. Utsugi [2005.07] Aeromagnetic constraints on the subsurface structure of Unzen Volcano, Kyushu, Japan. IAGA Scientific Assembly 2005, IAGA2005-A-00565.
  27. Okubo, A., T. Nakatsuka, Y. Tanaka, T. Kagiyama, and M. Utsugi [2005.05] Aeromagnetic constraints on the subsurface structure of Unzen Volcano. 2005 Japan Earth and Planetary Science Joint Meeting, V072-P005.
  28. Okubo, A., T. Nakatsuka, Y. Tanaka, T. Kagiyama, and M. Utsugi [2005.02] Magnetic structure of the Unzen graben determined from aeromagnetic analyses. USDP International Workshop.
  29. Okubo, A., T. Nakatsuka, Y. Tanaka, T. Kagiyama, and M. Utsugi [2004.12] Subsurface structure of the Unzen graben based on aeromagnetic and volcanological data. Fy2004 CA Symposium, Dec. 2004.
  30. Okubo, A., T. Nakatsuka, Y. Tanaka, M. Utsugi, N. Kitada, H. Shimizu, and T. Matsushima [2004.11] Aeromagnetic study of Unzen Volcano, Kyushu, Japan (3). 11th IAGA Workshop on Magnetic Obs., III-P05.
  31. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [2004.11] Compilation of airborne magnetic anomaly maps in Japan from the variety of surveys with long epoch difference. 11th IAGA Workshop on Magnetic Obs., III-P02.
  32. Okubo, A., T. Nakatsuka, M. Utsugi, N. Kitada, H. Shimizu, and T. Matsushima [2004.09] Aeromagnetic study of Unzen Volcano, Kyushu, Japan (2). 116th SGEPSS Fall Meeting, D31-P011.
  33. Okuma, S., T. Nakatsuka, M. Sugihara, M. Komazawa, S. Nakano, R. Furukawa, John Joseph E., R. Supper, and M. Takakura [2003.07] Geophysical signature on the subsurface structure of the Aeolian islands, Italy. 2003 IUGG General Assembly, GAV.06/09P/D-001.
  34. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [2003.07] Comprehensive mapping through the database of aeromagnetic anomalies over Japan. 2003 IUGG General Assembly, GAV.06/09P/D-005.
  35. Okuma, S., T. Nakatsuka, R. Morijiri, and S. Takakura [2003.07] Aerogeophysical survey over Iwate Volcano, Northeast Japan. 2003 IUGG General Assembly, GAV.06/10A/A11-002.
  36. John Joseph E., S. Okuma, and T. Nakatsuka [2003.07] Helicopter borne EM studies over the Mount Usu region, Japan. 2003 IUGG General Assembly, GAV.06/10A/A11-003.
  37. Kasahara, J., R. Iwase, T. Nakatuka, K. Nagaya, Y. Shirasaki, K. Kawaguchi, and J. Kojima [2003.06] Multi-disciplinary VENUS observation at the Ryukyu Trench using Guam-Okinawa Geophysical Submarine Cable. Scientific Submarine Cable 2003 Workshop (Tokyo, Japan), June 2003.
  38. Okuma, S., T. Nakatsuka, S. Takakura, and R. Morijiri [2001.08] Aerogeophysical surveys over Usu Volcano, Hokkaido, Japan. IAGA/IASPEI Joint Scientific Assembly (Hanoi, Vietnam), Aug. 2001.
  39. Okuma, S., T. Nakatsuka, M. Makino, and R. Morijiri [2001.02] High-resolution aeromagnetic survey over Usu Volcano, Hokkaido, Japan. Cities on Volcanoes 2 (Auckland, New Zealand), Feb. 2001.
  40. Okuma, S., Y. Murata, M. Makino, and T. Nakatsuka [1999.07] Geophysical constraints on concealed faults —Yoro Fault area, Central Japan. IUGG 22nd General Assembly (Birmingham, UK), July 1999.
  41. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [1997.12] High-resolution aeromagnetic survey in an urbanized area —Reduction of artificial source effect. AGU 1997 Fall Meeting.
  42. Miyazaki, T., Y. Murakami, T. Nakatsuka, and N. Ohnishi [1997.02] Development of geomagnetic and electric fields observation system. Internat. Workshop on Scientific Use of Submarine Cables.
  43. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [1996.07] High-resolution aeromagnetic map of the Kobe-Kyoto area. 13th Workshop on Electromagnetic Induction in the Earth.
  44. Nakatsuka, T. [1996.03] Recent advanmcement in aeromagnetic surveys at the Geological Survey of Japan. ITIT Symp. on Goescientific Data Compilation and Interpretation in Southeast Asia.
  45. Komazawa, M., T. Hiroshima, M. Makino, Y. Murata, R. Morijiri, T. Nakatsuka, T. Ishihara, and T. Yamazaki [1995.09] Gravity anomalies of Japan and gravity map series. Intern. Symp. Geological Aspects of Sustainable Development in Coastal and Offshore Areas of East and Southeast Asia, Sep. 1995.
  46. Okuma, S., R. Morijiri, M. Makino, and T. Nakatsuka [1993.12] Interpretation of aeromagnetic anomalies in Yurihara Plateau, Northeast Japan. AGU 1993 Fall Meeting, Dec. 1993.
  47. Okuma, S., T. Nakatsuka, M. Makino, and R. Morijiri [1990.09] Aeromagnetic constraints on the basement structure of the Okinawa Trough and East China Sea. SEG 1990 Annual International Meeting, Sep. 1990.
  48. Okuma, S., M. Makino, and T. Nakatsuka [1990.08] Magnetization intensity mapping on and around Izu-Oshima Volcano, Japan. 1990 Western Pacific Geophysics Meeting, Aug. 1990.
  49. Nakatsuka, T. [1988.11] Applications of airborne magnetic surveys for mineral exploration in Southeast Asia and Japan (Various applications of airborne magnetic survey). ESCAP Workshop on Geophysical Exploration in Tropical Terrains (Hanoi, Vietnam), Nov. 1988.
  50. Fukushima, N., T. Yukutake, T. Nakatsuka, I. Nakagawa, S. Fujita, and Y. Ueda [1983.08] Geomagnetic anomalies over the Japanese Islands and its surrounding area. Intl. Symp. Scientific Discoveries from MAGSAT Investigations, Aug. 1983.
Oral/Poster presentations in Japanese
    [* : Translated title in English is not authorized.]		 to Presentations in English
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  1. Iwara, M., T. Mogi, S. Okuma, and T. Nakatsuka [2016.05] High resolution three-dimensional magnetization mapping in Tokachidake Volcano using low altitude airborne magnetic survey data. JpGU Meeting 2016, STT52-P03.
  2. Okuma, S., T. Nakatsuka, S. Nakano, H. Satoh, and A. Okubo [2016.05] Characteristics of magnetic anomalies on a high-resolution aeromagnetic anomaly map of Fuji Volcano. JpGU Meeting 2016, STT52-P02.
  3. Okuma, S., and T. Nakatsuka [2015.09] High-resolution aeromagnetic surveys in the transition zone of the Japanese Islands. 133th SEGJ Conference, 17.
  4. Okuma, S., and T. Nakatsuka [2015.05] Aeromagnetic constraints on the subsurface structure of the Ishikari Depression, Hokkaido Japan. JpGU Meeting 2015, STT52-P01.
  5. Okuma, S., and T. Nakatsuka [2015.05] Aeromagnetic 3D subsurface imaging of geothermal areas - A case of Akita-Yakeyama Volcano, northeast Japan. JpGU Meeting 2015, STT52-03.
  6. Okuma, S., and T. Nakatsuka [2014.10] Airborne magnetic survey in geothermal fields*. Geoth. Res. Soc. Japan Ann. Mtg. 2014.
  7. Okuma, S., T. Ueda, T. Nakatsuka, Y. Mitsuhata, M. Jinguuji, and T. Uchida [2014.04] Magnetic structure of the tsunami inundation area of the 2011 off the Pacific coast of Tohoku Earthquake. JpGU Meeting 2014, STT58-05.
  8. Okuma, S., T. Nakatsuka, T. Hashimoto, M. Utsugi, W. Kanda, T. Koyama, and Joint Group for Usu Volcano Airborne Magnetic Survey [2013.01] Volcanic activity assessment by means of repeated aeromagnetic surveys - The case of Usu Volcano*. GSJ 20th Symposium, P05.
  9. Nakatsuka, T., S. Okuma, T. Hashimoto, M. Utsugi, W. Kanda, T. Koyama, and Joint Group for Usu Volcano Airborne Magnetic Survey [2011.05] Magnetic anomaly change of Usu Volcano 2000-2010 detected by repeated aeromagnetic surveys. JpGU Meeting 2011, STT054-05.
  10. Okuma, S., M. Makino, and T. Nakatsuka [2011.05] Magnetic constraints on the shallow subsurface structure of the Fukui Plain. JpGU Meeting 2011, STT054-P01.
  11. Hashimoto, T., M. Utsugi, T. Nakatsuka, S. Okuma, T. Koyama, W. Kanda, A. Suzuki, and Joint Group for Usu Volcano Airborne Magnetic Survey [2011.05] Geomagnetic changes over Usu Volcano detected from aeromagnetic repeat surveys. JpGU Meeting 2011, SVC050-P10.
  12. Nakatsuka, T., S. Okuma, and Joint Group for Usu Volcano Airborne Magnetic Survey [2011.02] Magnetic anomaly change of Usu Volcano 2000-2010 detected by repeated aeromagnetic surveys with a study on the accuracy of 2000 survey altitude data*. Fy2010 CA Symposium.
  13. Hashimoto, T., M. Utsugi, T. Nakatsuka, S. Okuma, T. Koyama, W. Kanda, and A. Suzuki [2011.02] Magnetic changes on Usu Volcano detected by repeat airborne surveys*. Fy2010 CA Symposium.
  14. Nakatsuka, T., and S. Okuma [2010.05] 3D subsurface imaging by aeromagnetic data: regularization with effective source volume minimization. JPGU Meeting 2010, STT074-P05.
  15. Okuma, S., T. Nakatsuka, and Y. Ishizuka [2010.05] Usefulness and limitations of the high-resolution aeromagnetic survey - in a case of Usu Volcano, Hokkaido Japan. JPGU Meeting 2010, STT074-P04.
  16. Hashimoto, T., M. Utsugi, S. Okuma, and T. Nakatsuka [2010.05] Aeromagnetic survey over Usu volcano -plannning and feasibility-. JPGU Meeting 2010, STT074-03.
  17. Okuma, S., C. Stotter, R. Supper, T. Nakatsuka, and R. Furukawa [2009.05] Magnetic Structure of Stromboli Volcano, Aeolian Islands, Italy. 120th SEGJ Conference, P-6.
  18. Okuma, S., C. Stotter, R. Supper, T. Nakatsuka, and R. Furukawa [2009.05] Magnetic Structure of Stromboli Volcano, Aeolian Islands, Italy. JPGU Meeting 2009, O218-P002.
  19. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, and T. Hashimoto [2009.05] Application of the generalized mis-tie control method to detect magnetic anomaly change associated with the volcanic activity. JPGU Meeting 2009, O218-P001.
  20. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, and T. Hashimoto [2009.02] Aeromagnetic anomaly change associated with the volcanic activity as detected with the generalized mis-tie control method*. Fy2008 CA Symposium, P12.
  21. Okuma, S., T. Nakatsuka, R. Morijiri, and S. Takakura [2008.10] Subsurface structure of Iwate Volcano inferred from geophysical data. 119th SEGJ Conference, P-34.
  22. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, T. Hashimoto, and Asama Volcano EM Field Experiment Group [2008.05] Aeromagnetic anomaly change detected from the Asama Volcano 2005 and 1992 data. JPGU Meeting 2008, E110-001.
  23. Nakatsuka, T., and S. Okuma [2008.05] Developments in the high-resolution aeromagnetic survey and imaging the subsurface structure. JPGU Meeting 2008, O220-007.
  24. Okuma, S., T. Nakatsuka, A. Okubo, and S. Nakano [2008.05] High-resolution aeromagnetic survey over the eastern part of Fuji volcano, central Japan. JPGU Meeting 2008, O220-001.
  25. Okubo, A., W. Kanda, T. Nakatsuka, and S. Okuma [2008.05] Numerical approach of geomagnetic changes associated with hydrothermal activity. JPGU Meeting 2008, V170-P001.
  26. Okubo, A., M. Utsugi, W. Kanda, T. Nakatsuka, and Sakurajima Volcano EM Field Experiment Group [2008.05] Aeromagnetic anomaly change detected from the Sakurajima Volcano 2007 and 2005 data. JPGU Meeting 2008, V151-P022.
  27. Okubo, A., W. Kanda, T. Nakatsuka, and S. Okuma [2007.12] Numerical simulations of piezomagnetic effect associated with hydrothermal activity (2)*. Fy2007 CA Symposium.
  28. Okubo, A., W. Kanda, T. Nakatsuka, and S. Okuma [2007.11] Numerical simulations of piezomagnetic effect associated with hydrothermal activity (2)*. Volc. Soc. Japan 2007 Fall Meeting, P23.
  29. Okuma, S., C. Stotter, R. Supper, and T. Nakatsuka [2007.05] Aeromagnetic anomalies over Stromboli Volcano, Aeolian Islands, Italy. 116th SEGJ Conference.
  30. Nakatsuka, T., and S. Okuma [2007.05] Development of an expert system of aeromagnetic data processing and interpretation. 116th SEGJ Conference.
  31. Okuma, S., T. Nakatsuka, and Y. Ishizuka [2007.05] Ground magnetic survey over fumarolic areas in the Nish-yama craters, Usu volcano, Japan. JPGU Meeting 2007, E110-002.
  32. Okuma, S., C. Stotter, R. Supper, and T. Nakatsuka [2007.05] Aeromagnetic anomalies over Stromboli Volcano, Aeolian Islands, Italy. JPGU Meeting 2007, O220-004.
  33. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, and Asama Volcano EM Field Experiment Group [2007.05] Detection of aeromagnetic anomaly change by the method of generalized mis-tie control - Application to Asama Volcano 2005 data. JPGU Meeting 2007, O220-002.
  34. Okuma, S., T. Nakatsuka, and Y. Ishizuka [2007.03] Ground magnetic survey over fumarolic areas in the Nishi-Yama craters, Usu volcano, Hokkaido Japan*. Fy2006 CA Symposium, Mar. 2007.
  35. Nakatsuka, T., M. Utsugi, S. Okuma, Y. Tanaka, and Asama Volcano EM Field Experiment Group [2007.03] Aeromagnetic anomalies of Asama Volcano in 2005 with referred to 1992 data*. Fy2006 CA Symposium, Mar. 2007.
  36. Nakatsuka, T., and S. Okuma [2006.10] 3D subsurface imaging by aeromagnetic data. 115th SEGJ Conference, 57.
  37. Okuma, S., T. Nakatsuka, M. Komazawa, M. Sugihara, S. Nakano, R. Furukawa, and R. Supper [2006.05] Aeromagnetic investigations of the Vulcano-Lipari volcanic complex, Italy. JPGU Meeting 2006 , O203-009.
  38. Nakatsuka, T., and S. Okuma [2006.05] Total system development of magnetic survey by a helicopter with stinger. JPGU Meeting 2006 , O203-004.
  39. Utsugi M., Y. Tanaka, T. Nakatsuka, T. Kagiyama, and T. Hashimoto [2006.05] Aeromagnetic survey on Asama Volcano. JPGU Meeting 2006 , E134-P005.
  40. Nakatsuka, T., and S. Okuma [2006.05] 3D subsurface imaging by aeromagnetic data —Optimizing minimun norm analysis under the lack of unique solution. JPGU Meeting 2006 , E134-002.
  41. Nakatsuka, T., and S. Okuma [2006.05] Crossover analysis for the data of aeromagnetic survey with varying elevations, and its application to extracting magnetic anomaly change. 114th SEGJ Conference, 50.
  42. Okuma, S., T. Nakatsuka, M. Komazawa, M. Sugihara, S. Nakano, R. Furukawa, and R. Supper [2006.05] Shallow subsurface structure of the Vulcano-Lipari volcanic complex, constrained by geophysical surceys. 114th SEGJ Conference, 48.
  43. Hashimoto, T., A. Suzuki, T. Mogi, Y. Yamaya, M. Mishina, T. Nakatsuka, T. Koyama, E. Koyama, Y. Ogawa, H. Aizawa, N. Ujihara, M. Matsuo, J. Hirabayashi, K. Nogami, Y. Tanaka, T. Kagiyama, M. Utsugi, W. Kanda, T. Uto, and A. Okubo [2005.12] Asama Volcano EM field experiments in 2005*. Fy2005 CA Symposium, Dec. 2005.
  44. Nakatsuka, T., and S. Okuma [2005.12] Application of aeromagnetic cross over analysis for detecting the change of magnetic anomaly*. Fy2005 CA Symposium, Dec. 2005.
  45. Okuma, S., and T. Nakatsuka [2005.12] Aeromagnetic survey: its role and the state of the art for understanding the crustal structure*. Fy2005 CA Symposium, Dec. 2005.
  46. Kajiwara, T., T. Mogi, A. Yamamoto, S. Okuma, and T. Nakatsuka [2005.10] Application of Moving-window Poisson's analysis to gravity and magnetic anomalies in northern Hokkaido. Seismol. Soc. Japan 2005 Fall Meeting, B001.
  47. Okuma, S., M. Makino, and T. Nakatsuka [2005.10] Magnetic structure of Asama Volcano estimated by high-resolution aeromagnetic anomalies. 113th SEGJ Conference, P-15.
  48. Nakatsuka, T., and S. Okuma [2005.10] Data processing system for helicopter-borne aeromagnetic survey. 113th SEGJ Conference, 64.
  49. Nakatsuka, T., and S. Okuma [2005.09] Reduction of geomagnetic anomalies from the observation at variant elevations with helicopter survey. 118th SGEPSS Fall Meeting, D22-04.
  50. Kajiwara, T., T. Mogi, A. Yamamoto, S. Okuma, and T. Nakatsuka [2005.05] Crustal structure in northern Hokkaido based on gravity and magnetic anomalies. 2005 Japan Earth and Planetary Science Joint Meeting, S053-004.
  51. Okuma, S., T. Nakatsuka, M. Komazawa, H. Sato, S. Takakura, Y. Matsushima, Y. Ishizuka, Y. Ogawa, and T. Mogi [2005.05] Integration of geophysical data in the Usu volcano area measured before and after the Usu 2000 Eruption. 112th SEGJ Conference, P-17.
  52. Nakatsuka, T., S. Okuma, M. Makino, and R. Morijiri [2005.05] The constitution of the "Aeromagnetic Database of Japan" and its features. 112th SEGJ Conference, P-12.
  53. Nakatsuka, T., M. Makino, and S. Okuma [2004.09] Derivation of geomagnetic anomaly distribution from the observation at various elevations. 111th SEGJ Conference, 53.
  54. Okuma, S., T. Nakatsuka, S. Nakano, and H. Sato [2004.05] High-resolution aeromagnetic survey over Fuji volcano, central Japan. 110th SEGJ Conference, P-8.
  55. Nakatsuka, T., and S. Okuma [2004.05] Passive magnetic compensation for stinger sensor in helicopter-borne magnetic survey. 110th SEGJ Conference, P-3.
  56. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [2004.05] Magnetic anomalies over Japan mapped from the aeromagnetic database. 2004 Japan Earth and Planetary Science Joint Meeting, E011-P003.
  57. Okuma, S., T. Nakatsuka, H. Sato [2004.05] High-resolution aeromagnetic survey over Fuji Volcano, Japan. 2004 Japan Earth and Planetary Science Joint Meeting, V055-017.
  58. Nakatsuka, T., and S. Okuma [2003.12] Compensation of aircraft magnetic field on the nose boom sensor of helicopter-borne magnetic survey system*. Fy2003 CA Symposium, Dec. 2003.
  59. Okuma, S., T. Nakatsuka, and H. Sato [2003.12] Preliminary report of a high-resolution aeromagnetic survey over Fuji volcano*. Fy2003 CA Symposium, Dec. 2003.
  60. Komazawa, M., M. Sugihara, S. Okuma, T. Nakatsuka, S. Nakano, and R. Furukawa [2002.10] Volcanic structure of Vulcano and Lipari islands, Italy, referred to gravity anomalies. 100th Conference of Geod. Soc Japan, 73.
  61. Okuma, S., T. Nakatsuka, R. Morijiri, and M. Makino [2003.10] Publication of a high-resolution aeromagnetic map of Usu volcano. 109th SEGJ Conference, P-4.
  62. Nakatsuka, T., Okuma, S., R. Morijiri, and M. Makino [2003.10] Comprehensive mapping through the database of aeromagnetic anomalies over Japan. 109th SEGJ Conference, P-3.
  63. Nakatsuka, T., and S. Okuma [2003.05] New system development for the helicopter-borne magnetic survey. 2003 Japan Earth and Planetary Science Joint Meeting, E011-001.
  64. Okuma, S., T. Nakatsuka, and M. Komazawa [2003.05] Aerogeophysical survey over the Aeolian islands, Italy. 2003 Japan Earth and Planetary Science Joint Meeting, E011-002.
  65. Komazawa, M., M. Sugihara, S. Okuma, T. Nakatsuka, S. Nakano, and R. Furukawa [2003.05] Gravity anomalies of Vulcano and Lipari volcano, Italy. 2003 Japan Earth and Planetary Science Joint Meeting, V055-002.
  66. Nakatsuka, T., and S. Okuma [2003.05] Development of a helicopter-borne magnetic survey system in use of a nose boom. 108th SEGJ Conference, 7.
  67. Okuma, S., T. Nakatsuka, M. Komazawa, and R. Supper [2003.05] Aerogeophysical survey over the Aeolian Islands, Italy. 108th SEGJ Conference, 8.
  68. Murata, Y., Y. Murakami, I. Hasegawa, K. Wakita, Y. Yanagisawa, R. Kouda, T. Inazaki, K. Okumura, N. Kaneko, A. Kawabata, D. Kawabata, T. Kiguchi, C. Kurimoto, Y. Sugawara, Y. Sugiyama, M. Takahashi, S. Tamanyu, K. Nakajima, T. Nakatsuka, T. Nakano, K. Nawa, A. Nishimura, Bandibas J., H. Makimoto, J. Miyazaki, K. Watanabe, M. Watanabe, and Y. Watanabe [2003.01] Promoting advanced utilization of integrated geologic information*. 2003 Informatics Symp.*.
  69. Okuma, S., T. Nakatsuka, R. Morijiri, and M. Makino [2002.10] Publication of a new high-resolution aerimagnetic anomaly map series by the Geological Survey of Japan - an example of the Yurihara area, northeast Japan. 107th SEGJ Conference, P-2.
  70. Okuma, S., Y. Ishizuka, and T. Nakatsuka [2002.05] Low magnetic anomalies observed locally at the Nishiyama Crater area, Usu Volcano, Hokkaido, Japan. 2002 Japan Earth and Planetary Science Joint Meeting, E016-P010.
  71. Okuma, S., Y. Ishizuka, and T. Nakatsuka [2002.05] Low magnetic anomalies observed locally at the Nishiyama Crater area, Usu Volcano, Hokkaido, Japan. 106th SEGJ Conference, 38.
  72. Komazawa, M., S. Okuma, T. Nakatsuka, M. Sugihara, S. Nakano, and R. Furukawa [2002.05] Gravity survey of Vulcano and Lipari Volcano, Italy. 106th SEGJ Conference, P-2.
  73. Nakatsuka, T., R. Morijiri, T. Hiroshima, R. Kouda, Y. Murata, and Y. Yamamoto [2002.05] Geophysical exploration activity database EXACTS. 106th SEGJ Conference, P-5.
  74. Morijiri, R., M. Makino, S. Okuma, T. Nakatsuka, and M. Nakagawa [2001.06] Magnetic structure of Tertiary volcanic conduits in the northern part of Ehime Prefecture, Southwest Japan. 2001 Japan Earth and Planetary Science Joint Meeting, Es-P001.
  75. Okuma, S., T. Nakatsuka, R. Morijiri, M. Makino, T. Uchida, Y. Ogawa, S. Takakura, and N. Matsishima [2001.06] Aerogeophysical surveys over Usu volcano, Hokkaido, Japan. 2001 Japan Earth and Planetary Science Joint Meeting, Eq-004.
  76. Okuma, S., T. Nakatsuka, R. Morijiri, and S. Takakura [2001.05] Preliminary results of an aerogeophysical survey over Iwate-san volcano. 104th SEGJ Conference, 69.
  77. Okuma, S., T. Nakatsuka, R. Morijiri, M. Makino, T. Uchida, Y. Ogawa, S. Takakura, and N. Matsishima [2001.01] Preliminary results of aerogeophysical surveys over Usu volcano, Hokkaido, Japan*. Fy2000 CA Symposium, Jan. 2001.
  78. Okuma, S., T. Nakatsuka, R. Morijiri, M. Makino, T. Uchida, Y. Ogawa, S. Takakura, and N. Matsishima [2000.11] High-resolution aeromagnetic survey over Usu volcano, Hokkaido, Japan. 108th SGEPSS Fall Meeting, C41-07.
  79. Miyazaki, T., T. Nakatsuka, Y. Ogawa, S. Okuma, and K. Nishimura [2000.11] System development on the deep-sea geomagnetic and electric field observation using an undersea-cable and the observation at Okinawa site*. SNIRI Seminar, Nov. 2000.
  80. Okuma, S., T. Nakatsuka, M. Makino, R. Morijiri, T. Uchida, Y. Ogawa, S. Takakura, and N. Matsishima [2000.10] High-resolution aeromagnetic survey over Usu volcano, Hokkaido, Japan. 103rd SEGJ Conference, 35.
  81. Okuma, S., T. Nakatsuka, R. Morijiri, M. Makino, T. Uchida, Y. Ogawa, S. Takakura, and N. Matsishima [2000.09] High-resolution aeromagnetic survey over Usu volcano and its surrounding areas. Volc. Soc. Japan 2000 Fall Meeting, P62.
  82. Nakatsuka, T. [2000.02] Construction of database system for the aeromagnetic anomalies over Japan*. 264th GSJ Seminar.
  83. Nakatsuka, T., Y. Ogawa, S. Okuma, K. Nishimura, and T. Miyazaki [2000.01] Deep-sea geomagnetic and electric field observation at Okinawa site using an undersea-cable*. Fy1999 CA Symposium, Jan. 2000.
  84. Okuma, S., T. Nakatsuka, S. Takakura, R. Morijiri, and M. Makino [2000.01] High-resolution airborne surveys for volcanic hazards assessment*. 263rd GSJ Seminar.
  85. Okuma, S., M. Makino, and T. Nakatsuka [1999.11] Aeromagnetic anomalies in the Fukui plain, Central Japan. 106th SGEPSS Fall Meeting, C41-P078.
  86. Nakatsuka, T., Y. Ogawa, K. Nishimura, S. Okuma, and T. Miyazaki [1999.11] Deep-sea geomagnetic and electric fields observation system using an undersea-cable. 106th SGEPSS Fall Meeting, B21-P084.
  87. Okuma, S., M. Makino, and T. Nakatsuka [1999.06] High-resolution aeromagnetic survey in the Fukui plain, Central Japan. 100th SEGJ Conference, 65.
  88. Morijiri, R., S. Okuma, M. Makino, and T. Nakatsuka [1999.06] Magnetic surveys of old volcanoes in the northern part of Shikoku district. 1999 Japan Earth and Planetary Science Joint Meeting, Ec-P001.
  89. Okuma, S., and T. Nakatsuka [1999.06] High-resolution aeromagnetic survey for concealed faults in the Fukui plain, Central Japan. 1999 Japan Earth and Planetary Science Joint Meeting, Sb-010.
  90. Nakatsuka, T., T. Miyazaki, K. Nishimura, Y. Murakami, Y. Ogawa [1999.01] Deep-sea geomagnetic and electric field observation system in the VENUS project. Fy1998 CA Symposium, Jan. 1999.
  91. Okuma, S., Y. Murata, M. Makino, T. Nakatsuka, T. Hiroshima, M. Komazawa, R. Morijiri, K. Yamaguchi, F. Kurimoto, and F. Yoshida [1998.10] High-resolution gravity and aeromagnetic surveys in the Yoro Fault area, Central Japan. Seismol. Soc. Japan 1998 Fall Meeting, P123.
  92. Nakatsuka, T., and S. Okuma [1998.06] High-resolution aeromagnetic survey, interpreting magnetic data and imaging subsurface structure. 98th SEGJ Conference, 81.
  93. Okuma, S., Y. Murata, M. Makino, T. Nakatsuka, T. Hiroshima, M. Komazawa, and R. Morijiri [1998.06] High-resolution gravity and aeromagnetic surveys in the Yoro Fault area, Central Japan. 98th SEGJ Conference, 78.
  94. Miyazaki, T. , T. Nakatsuka, Y. Murakami, and N. Onishi [1997.10] Development of deepsea geomagnetic and electric fields observation system using submarine cables. 97th SEGJ Conference, 73.
  95. Komazawa, M., T. Hiroshima, M. Makino, R. Morijiri, T. Ishihara, and T. Nakatsuka [1997.06] Gravity data compilation in Japan and Gravity Maps series publication at GSJ*. 250th GSJ Seminar.
  96. Nakatsuka, T., M. Makino, R. Morijiri, and S. Okuma [1997.05] Reduction of artificial source effect in the high-resolution aeromagnetic survey in the Hanshin region. 96th SEGJ Conference, 72.
  97. Makino, M., S. Okuma, R. Morijiri, and T. Nakatsuka [1997.05] Magnetic structure of volcanic neck. 96th SEGJ Conference, 70.
  98. Nakatsuka, T., M. Makino, R. Morijiri, and S. Okuma [1997.03] The effect of artificial noise source revealed in the aeromagnetic anomalies of Kobe-Kyoto area. 1997 Japan Earth and Planetary Science Joint Meeting, Z22-P14.
  99. Makino, M., S. Okuma, R. Morijiri, and T. Nakatsuka [1997.03] Magnetic structure of Kabutoyama volcano in Nishinomiya city. 1997 Japan Earth and Planetary Science Joint Meeting, J42-02.
  100. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [1996.10] High-resolution aeromagnetic survey in the area of Arima-Takatsuki-Rokko active fault system. 95th SEGJ Conference, 26.
  101. Komazawa, M., R. Morijiri, T. Hiroshima, M. Makino, Y. Murata, T. Ishihara, K. Nishimura, T. Nakatsuka, S. Nabetani, K. Noritomi, and M. Mishina [1996.08] Gravity map of Kitakami district (Bouguer anomalies)*. 243rd GSJ Seminar.
  102. Okuma, S., T. Nakatsuka, and T. Ishihara [1996.05] Magnetic constraints of basement structure offshore of western Kyushu, Japan. 94th SEGJ Conference, 73.
  103. Miyazaki, T. , T. Nakatsuka, Y. Murakami, Y. Ogawa, S. Okuma, and M. Makino [1996.03] Development plan for an ocean bottom geomagnetic/electric observation system using undersea cables. 1996 Japan Earth and Planetary Science Joint Meeting, E41-P21.
  104. Nakatsuka, T., S. Okuma, R. Morijiri, and M. Makino [1996.03] High-resolution aeromagnetic survey in Kobe-Kyoto area. 1996 Japan Earth and Planetary Science Joint Meeting, E41-P20.
  105. Miyazaki, T. , T. Nakatsuka, Y. Murakami, and Y. Ogawa [1995.10] Development of an ocean bottom geomagnetic/electric observation station using undersea cables. 93rd SEGJ Conference, 57.
  106. Makino, M., and T. Nakatsuka [1995.10] Aeromagnetic anomalies in the Senboku earthquake region. 98th SGEPSS Fall Meeting, C42-P09.
  107. Nakatsuka, T. [1995.10] Stability of the solution by the minimum norm inversion of magnetic anomalies. 98th SGEPSS Fall Meeting, C42-10.
  108. Nakatsuka, T., and M. Komazawa [1994.10] Gravity and geomagnetic anomalies in northern Kyushu*. Symposium on the Hot Spot Hunting in West Kyushu*, Oct. 1994.
  109. Makino, M., T. Nakatsuka, and S. Okuma [1994.10] Estimation of shallow magnetization intensity around the Asama volcano. 96th SGEPSS Fall Meeting, B22-19.
  110. Nakatsuka, T. [1994.10] Minimum norm inversion of aeromagnetic anomalies in Tanna area. 96th SGEPSS Fall Meeting, B22-17.
  111. Nakatsuka, T. [1994.10] Magnetization intensity mapping with surrounding sources —Minimum norm inversion of underdetermined problem—. 91st SEGJ Conference, 17.
  112. Nakatsuka, T., M. Makino, and R. Morijiri [1993.10] Aeromagnetic anomalies in the area of earthquake swarm around Iri-omote Island. 94th SGEPSS Fall Meeting, C32-04.
  113. Makino, M., T. Nakatsuka, S. Okuma [1993.10] Geomagnetic anomalies of Asama Volcano. 94th SGEPSS Fall Meeting, C32-P1-12.
  114. Nakatsuka, T., M. Makino, R. Morijiri [1993.06] Magnetic structural analysis based on detailed aeromagnetic anomalies over Unzendake Volcano. 88th SEGJ Conference, 109.
  115. Makino, M., T. Nakatsuka, R. Morijiri, Y. Okubo, Y. Honkura, and S. Okuma [1993.06] Derivation of three-dimensional distribution of geomagnetic anomalies from magnetic values at various elevations. 88th SEGJ Conference, 102.
  116. Nakatsuka, T. [1992.10] Magnetic structure model derived from aeromagnetic data around Unzen-dake Volcano. 92nd SGEPSS Fall Meeting, C32-06.
  117. Nakatsuka, T., R. Morijiri, and M. Makino [1992.04] Aeromagnetic anomalies and magnetic structure around Unzen-dake Volcano. 1992 Japan Earth and Planetary Science Joint Meeting, B12-07.
  118. Nakatsuka, T., R. Morijiri, M. Makino, and S. Miyasaka [1992.04] Aeromagnetic survey around Unzen-dake Volcano in August, 1991. 1992 Japan Earth and Planetary Science Joint Meeting, A11-05.
  119. Nakatsuka, T., R. Morijiri, M. Makino, and S. Miyasaka [1992.02] Dense aeromagnetic survey over Unzen-dake Vocano in 1991. Fy1991 CA Symposium, Jan. 1992.
  120. Nakatsuka, T., R. Morijiri, M. Makino, T. Soya, and S. Miyasaka [1991.11] Aeromagnetic anomalies around Unzen Volcano*. 215th GSJ Seminar.
  121. Makino, M., Y. Okubo, and T. Nakatsuka [1991.06] Compilation of magnetic anomaly map over the Japanese Islands*. 210th GSJ Seminar.
  122. Makino, M., Y. Okubo, R. Morijiri, T. Nakatsuka, and Y. Honkura [1991.05] Aeromagnetic survey using a blimp in the Tanna basin. 84th SEGJ Conference, 78.
  123. Morijiri, R., S. Okuma, M. Makino, and T. Nakatsuka [1991.05] Dense aeromagnetic survey using MRG positioning. 84th SEGJ Conference, 76.
  124. Nakatsuka, T., M. Makino, and R. Morijiri [1991.05] Geomagnetic and topographic survey of a meteorite (?) crater. 84th SEGJ Conference, 75.
  125. Morijiri, R., S. Okuma, M. Makino, and T. Nakatsuka [1991.04] Dense aeromagnetic survey using MRS positioning. 1991 Japan Earth and Planetary Science Joint Meeting, D21-03.
  126. Nakatsuka, T., M. Makino, and R. Morijiri [1991.04] Geomagnetic and topographic survey of MIKAWA Crater, Minami-Aiki-Mura, Nagano Prefecture. 1991 Japan Earth and Planetary Science Joint Meeting, D21-01.
  127. Makino, M., Y. Okubo, R. Morijiri, T. Nakatsuka, and Y. Honkura [1991.04] Aeromagnetic survey using a blimp in the Tanna basin. 1991 Japan Earth and Planetary Science Joint Meeting, C12-04p.
  128. Hiroshima, T., Y. Murata, M. Makino, M. Komazawa, and T. Nakatsuka [1990.05] The low gravity anomalies near Nihonmatsu-city. 82nd SEGJ Conference, 51.
  129. Murata, Y., T. Hiroshima, M. Makino, M. Komazawa, and T. Nakatsuka [1990.05] Bouguer gravity anomalies in Abukuma mountainland. 82nd SEGJ Conference, 50.
  130. Nakatsuka, T., S. Okuma, and R. Morijiri [1990.05] Dense aeromagnetic survey in the Higashi-Izu volcanic area. 82nd SEGJ Conference, 48.
  131. Okuma, S., R. Morijiri, and T. Nakatsuka [1990.05] Aeromagnetic survey in and around the Senkaku Islands. 82nd SEGJ Conference, 46.
  132. Okuma, S., M. Makino, and T. Nakatsuka [1990.04] Magnetization intensity mapping on and around Izu-Oshima. 1990 Japan Earth and Planetary Science Joint Meeting, D31-06.
  133. Ogawa, Y., S. Takakura, T. Uchida, T. Tosha, T. Nakatsuka, T. Soya, S. Okuma, Y. Ninomiya, and R. Morijiri [1990.04] Wide band array magnetotelluric soundings of Izu Oshima Volcano. 1990 Japan Earth and Planetary Science Joint Meeting, F12-14.
  134. Nakatsuka, T., S. Okuma, and R. Morijiri [1990.04] Dense aeromagnetic survey over Ito area in September, 1989. 1990 Japan Earth and Planetary Science Joint Meeting, F12-04.
  135. Nakatsuka, T., S. Okuma, and R. Morijiri [1990.02] Dense aeromagnetic survey over the area of Higashi-Izu seismic and volcanic activity in 1989. Fy1989 CA Symposium, Feb. 1990.
  136. Ogawa, Y., S. Takakura, T. Uchida, T. Soya, T. Nakatsuka, T. Tosha, S. Okuma, Y. Ninomiya, and R. Morijiri [1990.02] Wide-band array magnetotelluric sounding in Izu-Oshima Volcano. Fy1989 CA Symposium, Feb. 1990.
  137. Ogawa, Y., S. Takakura, T. Uchida, T. Tosha, T. Nakatsuka, T. Soya, S. Okuma, J. Nakai, Y. Ninomiya, and R. Morijiri [1989.11] Magnetotelluric profiling of Izu Oshima Volcano (1). 81st SEGJ Conference.
  138. Okuma, S., M. Makino, and T. Nakatsuka [1989.11] Estimation of magnetic intensity distribution on and around Izu-Oshima. 81st SEGJ Conference.
  139. Nakatsuka, T., M. Komazawa, and T. Hiroshima [1989.05] SPECG 1988. 80th SEGJ Conference.
  140. Okuma, S., M. Makino, R. Morijiri, and T. Nakatsuka [1989.05] Aeromagnetic survey in the south region of the northern offshore of Ishigaki Island. 80th SEGJ Conference.
  141. Makino, M., S. Okuma, R. Morijiri, and T. Nakatsuka [1989.05] Investigation of a subsurface structure by the ground-magnetic survey. 80th SEGJ Conference.
  142. Okuma, S., M. Makino, and T. Nakatsuka [1989.04] Aeromagnetic anomalies around Sekibi-sho and Kobi-sho, Senkaku Islands*. Seismol. Soc. Japan 1989 Spring Meeting.
  143. Okuma, S., M. Makino, and T. Nakatsuka [1988.10] Magnetic structure of the western offshore of Nansei Islands (I). 79th SEGJ Conference.
  144. Takakura, S., Y. Ogawa, T. Soya, T. Nakatsuka, and A. Takada [1988.07] Resistivity structure around the Koshimizu well, Motomachi, Izu-Oshima*. Volc. Soc. Japan 1988 Spring Meeting.
  145. Okuma, S., M. Makino, and T. Nakatsuka [1988.06] Aeromagnetic survey in the west offshore sea region of Nansei Islands*. Jap. Assoc. Petrol. Tech. 53rd Annual Meeting.
  146. Nakatsuka, T., S. Okuma, and M. Makino [1988.05] Ground magnetic test survey in the north of Chiba Prefecture. 78th SEGJ Conference.
  147. Makino, M., S. Okuma, and T. Nakatsuka [1988.05] Aeromagnetic survey in the south region of the northern offshore of Miyako Island. 78th SEGJ Conference.
  148. Okuma, S., M. Makino, and T. Nakatsuka [1988.05] Three-dimensional inversion for the interpretation of magnetic anomalies. 78th SEGJ Conference.
  149. Makino, M., S. Okuma, and T. Nakatsuka [1988.04] Aeromagnetic anomalies in the East China Sea. 83rd SGEPSS Spring Meeting.
  150. Nakatsuka, T., S. Okuma, and M. Makino [1987.10] Noise reduction in the ground magnetic survey (II). 77th SEGJ Conference.
  151. Okuma, S., M. Makino, and T. Nakatsuka [1987.10] Aeromagnetic fault zone in the west offshore sea region of Nansei Islands*. Seismol. Soc. Japan 1987 Fall Meeting.
  152. Nakatsuka, T., S. Okuma, M. Makino, and T. Kaneko [1987.04] Aeromagnetic anomalies around Izu-Oshima before and soon after 1986 eruption. 76th SEGJ Conference.
  153. Okuma, S., T. Nakatsuka, and M. Makino [1987.04] Aeromagnetic survey in the north region of the northern offshore of Ishigaki Island. 76th SEGJ Conference.
  154. Okuma, S., T. Nakatsuka, and M. Makino [1987.04] Aeromagnetic survey in the sea region to the west of Nansei Islands*. Seismol. Soc. Japan 1987 Spring Meeting.
  155. Nakatsuka, T., S. Okuma, M. Makino, T. Soya, and T. Kaneko [1987.04] Aeromagnetic anomalies of Izu-Oshima Volcano before and soon after the 1986 eruption*. Volc. Soc. Japan 1987 Spring Meeting.
  156. Okuma, S., and T. Nakatsuka [1987.04] Characteristic feature of magnetic anomalies in offshore area to the west of Okinawa Island*. 81st SGEPSS Spring Meeting.
  157. Nakatsuka, T., S. Okuma, M. Makino, and T. Kaneko [1987.04] Aeromagnetic anomalies of Izu-Oshima Volcano before and soon after the 1986 eruption*. 81st SGEPSS Spring Meeting.
  158. Nakatsuka, T., S. Okuma, M. Makino, and T. Kaneko [1987.02] Aeromagnetic anomalies of Izu-Oshima Volcano before and soon after the 1986 eruption*. ERI Seminar, Univ. Tokyo, Feb. 1987.
  159. Nakatsuka, T., S. Okuma, M. Makino, and T. Kaneko [1987.01] Aeromagnetic anomalies of Izu-Oshima Volcano before and soon after the 1986 eruption*. 181st GSJ Seminar.
  160. Nakatsuka, T., Y. Okubo, and S. Okuma [1986.11] Noise reduction in the ground magnetic survey*. SEGJ 1986 Fall Meeting.
  161. Okuma, S., and T. Nakatsuka [1986.05] Aeromagnetic survey in the north region of the northern offshore of Miyako Island*. SEGJ 1986 Spring Meeting.
  162. Okuma, S., and T. Nakatsuka [1985.05] Aeromagnetic survey in the sea area to the west of Okinawa Island*. SEGJ 1985 Spring Meeting.
  163. Nakatsuka, T., S. Okuma, and T. Kaneko [1985.05] Utilization of LORAN-C range-range navigation for aeromagnetic survey in remote sea area (3)*. SEGJ 1985 Spring Meeting.
  164. Hasegawa, I., M. Komazawa, S. Watanabe, T. Yokokura, and T. Nakatsuka [1984.10] Geophysical constraints on the basement structure in the Kanto plain*. Seismol. Soc. Japan 1984 Fall Meeting.
  165. Okuma, S., T. Nakatsuka, and H. Tsu [1984.05] Aeromagnetic survey in the sea area to the WNW of Okinawa Island*. SEGJ 1984 Spring Meeting.
  166. Nakatsuka, T. [1984.05] New equipment of airborne magnetic survey in GSJ*. SEGJ 1984 Spring Meeting.
  167. Tsu, H., T. Nakatsuka, S. Okuma, J. Nakai, and Y. Ono [1983.07] Aeromagnetic survey to the west of Okinawa Island*. Jap. Assoc. Petrol. Tech. 48th Annual Meeting, July 1983.
  168. Nakatsuka, T., S. Okuma, and H. Tsu [1983.05] Aeromagnetic survey in the sea area to the northwest of Okinawa Island*. SEGJ 1983 Spring Meeting.
  169. Okuma, S., and T. Nakatsuka [1983.05] How to interpolate into mesh data in aeromagnetic survey*. SEGJ 1983 Spring Meeting.
  170. Nakatsuka, and T., S. Okuma [1983.05] Utilization of LORAN-C range-range navigation for aeromagnetic survey in remote sea area (2)*. SEGJ 1983 Spring Meeting.
  171. Nakatsuka, T. [1982.10] Magnetic survey by satellite (3) —Three component magnetic anomalies around Japan derived from MAGSAT data*. SEGJ 1982 Fall Meeting.
  172. Nakatsuka, T., and Y. Ono [1982.10] Derivation of magnetic anomaly map aound Japan from the MAGSAT data*. 72nd STMEJ Fall Meeting.
  173. Nakatsuka, T., T. Uchida, and S. Okuma [1982.05] Aeromagnetic survey in the off-coast sea area to the east of Kanto district*. SEGJ 1982 Spring Meeting.
  174. Nakatsuka, T. [1982.05] Utilization of LORAN-C range-range navigation for aeromagnetic survey in remote sea area*. SEGJ 1982 Spring Meeting.
  175. Okamoto, H., H. Abu, T. Tsuboi, I. Kawashima, and T. Nakatsuka [1982.05] Aeromagnetic survey of Yufu-dake area and Bungo Strait*. SEGJ 1982 Spring Meeting.
  176. Nakatsuka, T. [1981.11] Preliminary construction of magnetic anomaly maps around Japan using MAGSAT data. Joint Symp. on MAGSAT results and High-sensitive magnetometers, Nov. 1981.
  177. Nakatsuka, T. [1981.11] Magnetic survey by satellite (2) —Derivation of magnetic anomaly map from MAGSAT data*. SEGJ 1981 Fall Meeting.
  178. Nakatsuka, T., and Y. Horikawa [1981.10] Dip of subducting plate in Sanriku sea area inferred from aeromagnetic map*. 70th STMEJ Fall Meeting.
  179. Nakatsuka, T., and Y. Horikawa [1981.05] Geomagnetic lineation anomalies in the sea area off Sanriku*. SEGJ 1981 Spring Meeting.
  180. Horikawa, Y., T. Nakatsuka, and Y. Okubo [1981.05] On the aeromagnetic survey of the continental slope region off the coast of Sanriku*. SEGJ 1981 Spring Meeting.
  181. Kaneko, T., A. Ogasawara, H. Abu, and T. Nakatsuka [1980.10] A compensation of aircraft magnetic field for aeromagnetic survey by small airplane*. SEGJ 1980 Fall Meeting.
  182. Nakatsuka, T. [1980.10] In-situ inspection system for aeromagnetic data*. SEGJ 1980 Fall Meeting.
  183. Nakatsuka, T., K. Ogawa, and Y. Ono [1980.10] Magnetic survey by satellite (1) —Model study for the correction of altitude variation*. SEGJ 1980 Fall Meeting.
  184. Nakatsuka, T., K. Ogawa, and Y. Ono [1980.09] Ruduction method of MAGSAT data to a constant height level using a equivalent source technique. Joint Symp. on Development and application of magnetometers and MAGSAT study*, Sep. 1980.
  185. Nakatsuka, T., K. Ogawa, and Y. Ono [1980.09] Utilization of magnetometers in the geophysical prospecting with special reference to aeromagnetic survey*. Joint Symp. on Development and application of magnetometers and MAGSAT study*, Sep. 1980.
  186. Nakatsuka, T., and Y. Okubo [1980.05] Data processing system for airborne magnetic survey in GSJ*. SEGJ 1980 Spring Meeting.
  187. Ono, Y., Y. Horikawa, T. Nakatsuka, and J. Nakai [1980.05] Summarization of aeromagnetic surveys over the continental shelf regions of Japan*. SEGJ 1980 Spring Meeting.
  188. Okubo, Y., Y. Horikawa, T. Nakatsuka, and K. Tanji [1980.05] A consideration on the magnetic anomaly distribution in and around the Noto peninsula*. SEGJ 1980 Spring Meeting.
  189. Ono, Y., K. Ogawa, Y. Horikawa, and T. Nakatsuka [1980.01] Aeromagnetic maps around Japan and their characteristic features*. Symposium on the Geomagnetic and Geoelectric Phenomena in the Ocean-Continent Transition Zone*, Jan. 1980.
  190. Nakatsuka, T., Y. Murakami, and Y. Okubo [1979.11] Aeromagnetic survey in Kitami area, Hokkaido*. SEGJ 1979 Fall Meeting.
  191. Nakatsuka, T., and Y. Okubo [1979.06] Development of data processing system for airborne magnetic survey*. 140th GSJ Seminar, June 1979.
  192. Horikawa, Y., T. Nakatsuka and, Y. Ono [1979.05] Magnetic anomalies in the sea area of Sagami-Nada – Izu-Oshima*. 65th STMEJ Spring Meeting.
  193. Nakatsuka, T., and Y. Murakami [1979.05] Aeromagnetic survey in Daisetsu area, Hokkaido*. SEGJ 1979 Spring Meeting.
  194. Horikawa, Y., T. Nakatsuka, Y. Okubo, and K. Tanji [1979.05] Magnetic anomalies in the sea area of Sagami-Nada to off Boso*. SEGJ 1979 Spring Meeting.
  195. Murakami, Y., T. Nakatsuka, and J. Komai [1977.10] Airborne VLF method (III)*. SEGJ 1977 Fall Meeting.
  196. Nakatsuka, T. [1977.10] Geomagnetic field trend around Japan*. SEGJ 1977 Fall Meeting.
  197. Nakatsuka, T., Y. Murakami, I. Sato, and J. Komai [1977.05] Aeromagnetic survey in Hidaka area, Hokkaido*. SEGJ 1977 Spring Meeting.
  198. Nakatsuka, T., T. Saito, and Y. Murakami [1976.05] Aeromagnetic survey in Tokachi area, Hokkaido*. SEGJ 1976 Spring Meeting.
  199. Hanaoka, N., Y. Murakami, T. Nakatsuka, and J. Komai [1976.05] SQUID magnetometer*. SEGJ 1976 Spring Meeting.
  200. Murakami, Y., T. Nakatsuka, and J. Komai [1976.05] Airborne VLF method (II)*. SEGJ 1976 Spring Meeting.
  201. Takagi, S., and T. Nakatsuka [1976.03] Deep electric sounding in the earthquake swarm area of Mt. Iwaki*. 6th Electric Prospecting Seminar, SEGJ*, Mar. 1976.
  202. Watanabe, S., T. Saito, and T. Nakatsuka [1975.11] The results of aeromagnetic survey in the sea area off Miyazaki*. SEGJ 1975 Fall Meeting.
  203. Murakami, Y., T. Nakatsuka, S. Tanaka, and J. Komai [1975.11] Airborne VLF method (I) The case of the Tokachi plain*. SEGJ 1975 Fall Meeting.
  204. Nakatsuka, T., and T. Saito [1975.05] Aeromagnetic survey in Tempoku area, Hokkaido*. SEGJ 1975 Spring Meeting.
  205. Nakatsuka, T. [1975.05] Automated analysis of magnetic anomalies by the method of 1st horizontal derivative curve fitting —The case of 2-D dyke model—*. SEGJ 1975 Spring Meeting.
  206. Horikawa, Y., T. Nakatsuka, Y. Tamura, and J. Suyama [1973.05] Aeromagnetic survey in the sea area of Doto (off Tokachi-Kushiro)*. SEGJ 1973 Spring Meeting.
  207. Nakatsuka, T., Y. Tamura, and J. Suyama [1973.05] Compensation of aircraft magnetic field for the real survey plane YS-11 (JA-8612)*. SEGJ 1973 Spring Meeting.
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