Outline of Session

Solid Earth Sciences(S) / Volcanology(VC)
S-VC50	Active volcanism

Short title	Active volcanism
Oral presentation Date/Room/Chair	May 23 PM1 (13:45 - 15:15)	104	Shigeru Nakao  / Toshiya Mori
	May 23 PM2 (15:30 - 17:00)	104	Yasuo Miyabuchi  / Fukashi Maeno
	May 24 AM1 (09:00 - 10:30)	104	Akiko Matsumoto  / Takahiro Miwa
	May 24 AM2 (10:45 - 12:15)	104	Akihiko Terada  / Yuta Maeda
	May 24 PM1 (13:45 - 15:15)	104	Hiroshi Yakiwara  / Koki Aizawa
Poster presentation Date/Room	May 23 (Core Time 17:15 - 18:30) May 24 (Core Time 15:30 - 17:00)
Contact	Yosuke Aoki
Email	yaoki@eri.u-tokyo.ac.jp
Convener	Yosuke Aoki  / Mie Ichihara
Scope	This session discusses various phenomena associated with active volcanisms including, but not limited to, geophysical and geochemical observations, geology, historical eruptions, and development of modern instruments,
Notes

Time	Presentation No	Title	Author	Presenter	Abstract
Oral Presentation   May 23 PM1 (13:45-15:15) 104                              to the top
13:45 - 14:00	SVC50-01	Crustal deformation after the eruption on January, 2011 by continuous GPS observation in Kirishima Volcano	Shigeru Nakao Yuichi Morita Kazuhiko Goto other	Shigeru Nakao	English
14:00 - 14:15	SVC50-02	Volcanic Process of the 2011 Shinmoedake Eruption inferred from Strain Data	Masahiro Teraishi Kazuhiro Ishihara Ken'ichi Yamazaki other	Masahiro Teraishi	English
14:15 - 14:30	SVC50-03	Surface topography change of 2011 eruption lava stored in the Sinmoedake crater depicted by remote sensing techniques	Makoto Murakami Atsushi MATOBA	Makoto Murakami	English
14:30 - 14:45	SVC50-04	Gravity change around the Kirishima volcanoes after the 2011 eruption of Shinmodake	Shuhei Okubo Sadato Ueki Yoshiyuki Tanaka other	Shuhei Okubo	English
14:45 - 15:00	SVC50-05	Characteristics of volcanic tremor in Kirishima volcano based on seismic array (2)	Manami Nakamoto MATSUMOTO Satoshi YAMANAKA Yoshiko other	Manami Nakamoto	English
15:00 - 15:15	SVC50-06	Sulfur dioxide flux of Shinmoedake 2011 eruption II	Toshiya Mori Kagoshima Local Meteorological Observatory	Toshiya Mori	English
Oral Presentation   May 23 PM2 (15:30-17:00) 104                              to the top
15:30 - 15:45	SVC50-07	Constraining tephra dispersion and deposition from cyclic subplinian explosions at Shinmoedake volcano, Japan, 2011	Fukashi Maeno Masashi NAGAI Setsuya Nakada other	Fukashi Maeno	English
15:45 - 16:00	SVC50-08	Petrology of 2011 ejecta from Shinmoe-dake in Kirishima volcano 3-Phase equilibria experiment for low-T endmember magma-	Yuki Suzuki ATSUSHI YASUDA Natsumi Hokanishi other	Yuki Suzuki	English
16:00 - 16:15	SVC50-09	Stratigraphy and grain-size characteristics of the 2011 Shinmoedake eruption deposits, Kirishima Volcano, Japan	Yasuo Miyabuchi Daisuke Hanada Hiroshi Niimi other	Yasuo Miyabuchi	English
16:15 - 16:30	SVC50-10	On the recent volcanic crisis of Baitoushan volcano and the probable volcanic risk to the Chisong nuclear power plant	Hiromitsu Taniguchi HIMENO Yoshiaki	Hiromitsu Taniguchi	English
16:30 - 16:45	SVC50-11	Unique characteristics of cone in Central Elysium Planitia, Mars	Rina Noguchi Kei Kurita	Rina Noguchi	English
16:45 - 17:00	SVC50-12	Crustal Deformation During the 2011 Volanic Crisis of El Hierro, Canary Islands, Revealed by Continuous GPS Observation	Takeshi Sagiya MARTINEZ, Jose Barrancos CALVO, David other	Takeshi Sagiya	English
Oral Presentation   May 24 AM1 (09:00-10:30) 104                              to the top
09:00 - 09:15	SVC50-13	Space-time Analysis of the Eruptions in Japan for the Past 2,000 Years	Youtaro Ito Yoichi Nakamura	Yoichi Nakamura	English
09:15 - 09:30	SVC50-14	Volcanic activity history of Io To Island in Ogasawara Archipelago estimated by terrace chronology and crustal deformati	Takayuki Nakano Tetsuro Imakiire Mamoru Koarai other	Takayuki Nakano	English
09:30 - 09:45	SVC50-15	Phenomena prior to the 1914 eruption of Sakurajima volcano based on recent observation at the volcano for branching of e	Masato Iguchi	Masato Iguchi	English
09:45 - 10:00	SVC50-16	Evolution of magma plumbing system of Sakurajima volcano in the last 50 years	Kaho Ebihara Mitsuhiro Nakagawa Akiko Matsumoto other	Kaho Ebihara	English
10:00 - 10:15	SVC50-17	Eruptive activity during AD 2006-2011 at Sakurajima volcano, inferred from Petrological features of eruptive materials	Akiko Matsumoto Mitsuhiro Nakagawa Mizuho Amma-Miyasaka other	Akiko Matsumoto	English
10:15 - 10:30	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P02 The third round of the repetitive seismic experiment in Sakurajima Volcano. Tomoki Tsutsui Masato IGUCHI Akira SUGAI other Tomoki Tsutsui English SVC50-P03 Characterization of volcanic ash samples from Sakurajima volcano by CCD camera image Takahiro Miwa Taketo Shimano Takeshi Nishimura Takahiro Miwa English SVC50-P04 Vertical ground deformation in Sakurajima volcano measured by precise leveling surveys (during Nov. 2010 - Nov. 2011) Keigo Yamamoto Tadaomi Sonoda Tetsuro Takayama other Keigo Yamamoto English SVC50-P05 Repeated aeromagnetic survey on Sakurajima Volcano(2007-2011) Mitsuru Utsugi Wataru Kanda Takeshi Hashimoto other Mitsuru Utsugi English SVC50-P06 Audio-frequency magnetotelluric survey of Sakurajima volcano in 2011 Wataru Kanda Yasuo Ogawa Shinichi Takakura other Wataru Kanda English
Oral Presentation   May 24 AM2 (10:45-12:15) 104                              to the top
10:45 - 11:00	SVC50-18	Stress triggering of volcano-tectonic earthquakes:stress changes in the case of magma intrusions and great earthquake	Yuichi Morita	Yuichi Morita	English
11:00 - 11:15	SVC50-19	Focal Mechanisms of Semi-Volcanic Deep Low-Frequency Earthquakes in Eastern Shimane	Naofumi Aso Kazuaki Ohta Satoshi Ide	Naofumi Aso	English
11:15 - 11:30	SVC50-20	Shallow hydrothermal activity at Taal volcano, Philippines, inferred from long-period seismic events	Yuta Maeda Hiroyuki Kumagai Rudy Lacson other	Yuta Maeda	English
11:30 - 11:45	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P10 Application of PS-InSAR analysis to Izu-Oshima volcano, using ALOS/PALSAR KASAI, Ayaka Masato Furuya Masato Furuya English SVC50-P11 Ground deformation at Suwanose-jima volcano as viewed from ALOS/PALSAR InSAR: 2007-2011 Jun Oikawa Yosuke Aoki Masato Furuya other Jun Oikawa English SVC50-P13 Magma-plumbing System of Asama Volcano after 2004 Eruption, Estimated from Vertical Deformation above the Presumed Press Fumiaki Kimata Research Group of Precise Leveling on Asama Volcano Fumiaki Kimata English SVC50-P15 Estimated pressure source and vertical deformation in Tatun volcano ,Taiwan, detected by precise leveling in 2006-2011 Masayuki Murase LIN Cheng-Horng KIMATA Fumiaki other Masayuki Murase English SVC50-P16 Analysis of tilt data at Stromboli volcano using boundary elemental method Ryohei Kawaguchi Takeshi Nishimura Haruo Sato Ryohei Kawaguchi English
11:45 - 12:00	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P18 Chemical and isotopic composition of fumarolic gas at Mihara volcano, Izu-Oshima Island, Japan Yu Oginuma Takeshi Ohba Yu Oginuma English SVC50-P19 Atmospheric CO2 observation at the fumarolic area of Hakone volcano by use of TDLAS Takeshi Ohba Shingo Nakatsuka Yu Oginuma Takeshi Ohba English SVC50-P20 Trial of real-time measurement of dissolved CO_{2} concentration in CO_{2}-rich volcanic crater lakes Mitsuhisa Sanemasa Kazuto Saiki Katsuya Kaneko other Mitsuhisa Sanemasa English SVC50-P21 Hot water reservoir beneath Yudamari crater lake at Aso volcano Akihiko Terada Akihiko Terada English SVC50-P22 On the recent thermal demagnetization beneath the Oana Crater, Azuma Volcano Akira Yamazaki Keiichi Fukui YAMAZAKI, Nobuyuki other Keiichi Fukui English
12:00 - 12:15	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P23 The electrical resistivity structure of Aso volcano inferred from broadband MT surveys Tsuyoshi Asano Mitsuru Utsugi Tsuneomi Kagiyama other Tsuyoshi Asano English SVC50-P24 Crustal structure beneath Aso caldera, Japan, as derived from receiver function analyses Yuki Abe Takahiro Ohkura Takuo Shibutani other Yuki Abe English SVC50-P27 Temporal variation of geomagnetic total intensity before and after the 2011 summit eruption at Shinmoe-dake crater Makoto Uyeshima Takao Koyama Tsuneomi Kagiyama Makoto Uyeshima English SVC50-P31 Vertical deformation at the northwestern part of Mt. Kirishima(Feb.,2011-May,2011-Mar.,2012) Hitoshi, Y. Mori hiromitsu oshima Etsurou Koyama Hitoshi, Y. Mori English SVC50-P32 Source Model of Kirishima Volcano Based on GPS Integrated Analysis in Volcanic Region(2nd report) Tetsuro Imakiire Takuya Nishimura Tetsuro Imakiire English
Oral Presentation   May 24 PM1 (13:45-15:15) 104                              to the top
13:45 - 14:00	SVC50-21	Comprehensive study on the 2011 eruption at Shinmoedake (Kirishima Volcano) and the eruption scenario	Setsuya Nakada Yuichi Morita	Setsuya Nakada	English
14:00 - 14:15	SVC50-22	Tilt motions associated with sub-Plinian, Vulcanian eruptions, and an effusive stage in the 2011 Shinmoe-dake eruption	Yuki Maehara Minoru Takeo Takao Ohminato other	Minoru Takeo	English
14:15 - 14:30	SVC50-23	Temporal changes in electrical resistivity of Kirishima volcano from continuous magnetotelluric observations	Koki Aizawa Takao Koyama Hideaki Hase other	Koki Aizawa	English
14:30 - 14:45	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P33 Activity of crustal earthquakes in and around the Kirishima volcano synchronizing and activating with ground inflations Hiroshi Yakiwara Kazuhiko Goto Shuichiro Hirano other Hiroshi Yakiwara English SVC50-P34 Characteristics of volcanic tremor at Shin-moe dake inferred from two seismic array analysis Yoshiko Yamanaka Haruhisa Nakamichi Toshiko Terakawa other Yoshiko Yamanaka English SVC50-P38 The mechanism that causes shift of explosive intensity; petrological case-study for Mt. Shinmoe 2011 eruption Tsuyoshi Kichise Atsushi Toramaru Tsuyoshi Kichise English SVC50-P39 Dynamics and timescales of magma ascent in the shallow conduit of Shinmoedake volcano, Japan, deduced from ash texture Nicolas Vinet Masayuki Oishi Nobuo Geshi other Nicolas Vinet English SVC50-P40 The eruption styles and grain compositions of deposits from the 2011 eruption of Shinmoedake, Kirishima volcano, Japan Masayuki Oishi Nobuo Geshi Hiroshi Shinohara other Masayuki Oishi English
14:45 - 15:00	3-min talk in an oral session Presentation No Title Author Presenter Abstract SVC50-P41 Petrological characteristics and magma mixing of minor eruptions in 2011 at Shinmoedake, Kirishima volcano, Japan Genji Saito Genji Saito English SVC50-P42 Prehistorical volcanic stratigraphy of Shinmoedake in the Kirishima volcanic complex Yasuhisa Tajima Yasuhisa Tajima English SVC50-P44 Magmatic-phreatomagmatic transition and vesicularity change in Heian eruption of Towada Volcano Yoshimi Hiroi Tsuyoshi Miyamoto Yoshimi Hiroi English

Presentation No	Title	Author	Presenter	Abstract
Poster Presentation   May 23 Core Time (17:15-18:30), May 24 Core Time (15:30-17:00)               to the top
SVC50-P01	Active Monitoring at Active Volcanoes - Deployment of ACROSS at Sakurajima Volcano -	YAMAOKA Koshun WATANABE Toshiki IGUCHI Masato other	Hiroki Miyamachi	English
SVC50-P02	The third round of the repetitive seismic experiment in Sakurajima Volcano.	Tomoki Tsutsui Masato IGUCHI Akira SUGAI other	Tomoki Tsutsui	English
SVC50-P03	Characterization of volcanic ash samples from Sakurajima volcano by CCD camera image	Takahiro Miwa Taketo Shimano Takeshi Nishimura	Takahiro Miwa	English
SVC50-P04	Vertical ground deformation in Sakurajima volcano measured by precise leveling surveys (during Nov. 2010 - Nov. 2011)	Keigo Yamamoto Tadaomi Sonoda Tetsuro Takayama other	Keigo Yamamoto	English
SVC50-P05	Repeated aeromagnetic survey on Sakurajima Volcano(2007-2011)	Mitsuru Utsugi Wataru Kanda Takeshi Hashimoto other	Mitsuru Utsugi	English
SVC50-P06	Audio-frequency magnetotelluric survey of Sakurajima volcano in 2011	Wataru Kanda Yasuo Ogawa Shinichi Takakura other	Wataru Kanda	English
SVC50-P07	Shallow magma feeding system of the 1914 eruption of Sakurajima inferred from mineral chemistry and volatile contents	Tomoki Sato Michihiko Nakamura Satoshi Okumura other	Tomoki Sato	English
SVC50-P08	Oxidation texture of pyrrhotite in the eruptive products of the Sakurajima Taisho eruption	Keiko Matsumoto Michihiko Nakamura	Keiko Matsumoto	English
SVC50-P09	Ground deformation measurements in Izu-Oshima volcano (3)	Shin'ya Onizawa Akimichi Takagi Kazuya Kokubo other	Shin'ya Onizawa	English
SVC50-P10	Application of PS-InSAR analysis to Izu-Oshima volcano, using ALOS/PALSAR	KASAI, Ayaka Masato Furuya	Masato Furuya	English
SVC50-P11	Ground deformation at Suwanose-jima volcano as viewed from ALOS/PALSAR InSAR: 2007-2011	Jun Oikawa Yosuke Aoki Masato Furuya other	Jun Oikawa	English
SVC50-P12	Crustal deformation since eruption in 2000 at Miyakejima by GPS observation	Natsumi Yumitori Takeshi Matsushima Jun Oikawa other	Takeshi Matsushima	English
SVC50-P13	Magma-plumbing System of Asama Volcano after 2004 Eruption, Estimated from Vertical Deformation above the Presumed Press	Fumiaki Kimata Research Group of Precise Leveling on Asama Volcano	Fumiaki Kimata	English
SVC50-P14	Repeat of accumulative expansion of summit area of Kuchinoerabujima volcano	Eiji Saito Masato Iguchi	Eiji Saito	English
SVC50-P15	Estimated pressure source and vertical deformation in Tatun volcano ,Taiwan, detected by precise leveling in 2006-2011	Masayuki Murase LIN Cheng-Horng KIMATA Fumiaki other	Masayuki Murase	English
SVC50-P16	Analysis of tilt data at Stromboli volcano using boundary elemental method	Ryohei Kawaguchi Takeshi Nishimura Haruo Sato	Ryohei Kawaguchi	English
SVC50-P17	MaGCAP-V (5) - Upgrade for strainmeter data	Kazuya Kokubo Keiichi Fukui Shinobu Ando other	Kazuya Kokubo	English
SVC50-P18	Chemical and isotopic composition of fumarolic gas at Mihara volcano, Izu-Oshima Island, Japan	Yu Oginuma Takeshi Ohba	Yu Oginuma	English
SVC50-P19	Atmospheric CO2 observation at the fumarolic area of Hakone volcano by use of TDLAS	Takeshi Ohba Shingo Nakatsuka Yu Oginuma	Takeshi Ohba	English
SVC50-P20	Trial of real-time measurement of dissolved CO_{2} concentration in CO_{2}-rich volcanic crater lakes	Mitsuhisa Sanemasa Kazuto Saiki Katsuya Kaneko other	Mitsuhisa Sanemasa	English
SVC50-P21	Hot water reservoir beneath Yudamari crater lake at Aso volcano	Akihiko Terada	Akihiko Terada	English
SVC50-P22	On the recent thermal demagnetization beneath the Oana Crater, Azuma Volcano	Akira Yamazaki Keiichi Fukui YAMAZAKI, Nobuyuki other	Keiichi Fukui	English
SVC50-P23	The electrical resistivity structure of Aso volcano inferred from broadband MT surveys	Tsuyoshi Asano Mitsuru Utsugi Tsuneomi Kagiyama other	Tsuyoshi Asano	English
SVC50-P24	Crustal structure beneath Aso caldera, Japan, as derived from receiver function analyses	Yuki Abe Takahiro Ohkura Takuo Shibutani other	Yuki Abe	English
SVC50-P25	Hypocenter determination of B-type earthquakes at Miyakejima volcano using waveform cross correlation technique	Higashi Uchida Takeshi Nishimura Haruo Sato other	Higashi Uchida	English
SVC50-P26	Stratigraphy records of 1883 Krakatau eruption and tsunami in Java coastline Indonesia	Purna Sulastya Putra Yuichi Nishimura Eko Yulianto	Purna Sulastya Putra	English
SVC50-P27	Temporal variation of geomagnetic total intensity before and after the 2011 summit eruption at Shinmoe-dake crater	Makoto Uyeshima Takao Koyama Tsuneomi Kagiyama	Makoto Uyeshima	English
SVC50-P28	MT survey around Mt. Shinmoedake, Kirishima Volcanoes in 2010-2011	Takao Koyama Makoto Uyeshima Hideaki Hase other	Takao Koyama	English
SVC50-P29	The relation between amount of tilt change preceding the eruption and the volume of tephra at Shinmoedake Volcano	Koji Kato Yoshiaki Fujiwara	Koji Kato	English
SVC50-P30	Geodetic aspects in difficulties of eruption scenario inferred from Shinmoedake events in 2011	Tetsuya Yamamoto Akimichi Takagi Shin'ya Onizawa	Tetsuya Yamamoto	English
SVC50-P31	Vertical deformation at the northwestern part of Mt. Kirishima(Feb.,2011-May,2011-Mar.,2012)	Hitoshi, Y. Mori hiromitsu oshima Etsurou Koyama	Hitoshi, Y. Mori	English
SVC50-P32	Source Model of Kirishima Volcano Based on GPS Integrated Analysis in Volcanic Region(2nd report)	Tetsuro Imakiire Takuya Nishimura	Tetsuro Imakiire	English
SVC50-P33	Activity of crustal earthquakes in and around the Kirishima volcano synchronizing and activating with ground inflations	Hiroshi Yakiwara Kazuhiko Goto Shuichiro Hirano other	Hiroshi Yakiwara	English
SVC50-P34	Characteristics of volcanic tremor at Shin-moe dake inferred from two seismic array analysis	Yoshiko Yamanaka Haruhisa Nakamichi Toshiko Terakawa other	Yoshiko Yamanaka	English
SVC50-P35	Eruptive activity of Shinmoedake Volcano	JMA Shinya Nagato	Shinya Nagato	English
SVC50-P36	Pyroclastic fall deposit and eruptive mass of 2011 eruption from Shinmoedake Volcano, Kirishima Volcanic Group	Ryuta FURUKAWA Nobuo Geshi Teruki Oikawa other	Nobuo Geshi	English
SVC50-P37	Remelting experiments of the erupted materials of the 2011 eruption of Sinmoedake, Kirishima Volcano	Mayumi Mujin Michihiko Nakamura Satoshi Okumura	Mayumi Mujin	English
SVC50-P38	The mechanism that causes shift of explosive intensity; petrological case-study for Mt. Shinmoe 2011 eruption	Tsuyoshi Kichise Atsushi Toramaru	Tsuyoshi Kichise	English
SVC50-P39	Dynamics and timescales of magma ascent in the shallow conduit of Shinmoedake volcano, Japan, deduced from ash texture	Nicolas Vinet Masayuki Oishi Nobuo Geshi other	Nicolas Vinet	English
SVC50-P40	The eruption styles and grain compositions of deposits from the 2011 eruption of Shinmoedake, Kirishima volcano, Japan	Masayuki Oishi Nobuo Geshi Hiroshi Shinohara other	Masayuki Oishi	English
SVC50-P41	Petrological characteristics and magma mixing of minor eruptions in 2011 at Shinmoedake, Kirishima volcano, Japan	Genji Saito	Genji Saito	English
SVC50-P42	Prehistorical volcanic stratigraphy of Shinmoedake in the Kirishima volcanic complex	Yasuhisa Tajima	Yasuhisa Tajima	English
SVC50-P43	Magma systems of the Kyoho eruption in Shinmoe-dake volcano, Kirishima volcanoes: 2	Tsuyoshi Miyamoto	Tsuyoshi Miyamoto	English
SVC50-P44	Magmatic-phreatomagmatic transition and vesicularity change in Heian eruption of Towada Volcano	Yoshimi Hiroi Tsuyoshi Miyamoto	Yoshimi Hiroi	English