（1809）　桜島火山における多項目観測に基づく火山噴火準備過程解明のための研究

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かずひろいせき
5 years ago
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1 GPS GPS 23 GPS MT 19 24

2 GPS ( 10Pa ) ( ) ( 1) 6km GPS ( 2) Cl/S SO 2 CO 2 SiO 2 ( 1004 ) 1 m 3 / 1995 GPS m 3 / H 2 CO ( 1004 ) Cl/S ( 3) SO ( 4) SO m ( 5) 10 5 m 3

3 10 4 m MT 3 ( 6) 3-5km ( 7) DEM ( 8) Alanis, P., H. Miyamachi, H. Yakiwara, K. Goto, R. Kobayashi, T. Tameguri, and M. Iguchi, 2012, Seismic velocity structure of the crust beneath the Aira caldera in southern Kyushu by tomography of travel times of local earthquake data, Bull. Volcanol. Soc. Japan, 57, B, , ( ) GPS Iguchi, M., 2013, Magma movement from the deep to shallow Sakurajima volcano as revealed by geophysical observations, Bull. Volcanol. Soc. Japan, 58 (in press). Iguchi, M., T. Tameguri, Y. Ohta, S. Ueki, and S. Nakao, 2013, Characteristics of volcanic activity at Sakurajima volcano s Showa crater during the period 2006 to 2011 Bull. Volcanol. Soc. Japan, 58 (in press). Nurnaning Aisyah Aditya Sebastian Andreas 2012 AMT Kanda, W., et al., 2013, Shallow resistivity structure of Sakurajima volcano revealed by audio-frequency magnetotellurics, Bull. Volcanol. Soc. Japan, 58 (in press) Matsumoto, A., M. Nakagawa, M. Miyasaka and M. Iguchi, 2013, Temporal variations of the petrological features of the juvenile materials since 2006 from Showa crater, Sakurajima volcano, Kyushu, Japan, Bull. Volcanol. Soc. Japan, 58 (in press). Miyamachi, H. et al., 2013, Shallow velocity structure beneath the Aira caldera and Sakurajima volcano as inferred from refraction analysis of the seismic experiment in 2008, Bull. Volcanol. Soc. Japan, 58 (in

4 press). Nguyen HOANG, 2012, 55B, HCl/SO2 (2) ? ? (3) Okubo, S. et al., 2013, Absolute gravity variation at Sakurajima volcano from April 2009 through January 2011 and its relevance to the eruptive activity of Showa crater, Bull. Volcanol. Soc. Japan, 58 (in press) ( ) (2011 ) Tsutsui, T. et al., 2013, Structure of northeastern Sakurajima, south Kyushu, Japan, revealed by seismic reflection survey, Bull. Volcanol. Soc. Japan, 58 (in press) GPS ( ) , ( ) 55B, ( ( Yamamoto, K. et al., 2013, Vertical ground deformation associated with the volcanic activity of Sakurajima volcano, Japan during as revealed by repeated precise leveling surveys, Bull. Volcanol. Soc. Japan, 58 (in press)

5 URL kazan/default.html 12

6 1 ( 3.1km) A

7 2 GPS ( ) strike N80 5km dip 90

8 3 Cl/S Cl/S 2010 Cl/S Cl/S open conduit SO 2 ( 4) Cl/S

9 4 HCl/SO[sub]2[/sub] ton/day HCl/SO HCl/

10 ( 3.1km)

6 MT 2010 2 6 6 MT 3 3 (Siripunvaraporn and

11 6 MT MT 3 3 (Siripunvaraporn and Egbert, 2009) 10 8 m 1000 m 10 5 RMS km

12 7 B H, h km a 5d 5a, 5b, 5d , 3, 5c

研究成果報告書

研究成果報告書 General study on the eruption at Shinmoedake volcano, Kirishima, in 2011 24 6 11 A magmatic eruption event took place at Shinmoedake (Kirishima) Volcano in January 2011, leaving about 300 years of hiatus.

（1809） 桜島火山における多項目観測に基づく火山噴火準備過程解明のための研究

（1809）　桜島火山における多項目観測に基づく火山噴火準備過程解明のための研究