Session List

V159: (Active volcanism)
*oral

5/16 AM1 Function Room A 09:00 - 09:15 V159-001 Outlines of volcanic activity of Anatahan, Northern Marianas, and the observation researches during 2008-2009 *Setsuya Nakada, Yuichi Morita, Takeshi Matsushima, other 5/16 AM1 Function Room A 09:15 - 09:30 V159-002 Geodetic Observations at Anatahan Volcano, Northern Mariana Islands *Takeshi Matsushima, Takao Tabei, Tsuyoshi Watanabe, other 5/16 AM1 Function Room A 09:30 - 09:45 V159-003 Seismic Observation in Anatahan Island, Northern Mariana Islands *Atsushi Watanabe, Yuichi Morita, Takeshi Matsushima, other 5/16 AM1 Function Room A 09:45 - 10:00 V159-004 Seismic Activity and volcanic tremor observed at Anatahan volcano, in Northern Marian *Yuichi Morita, Atsushi Watanabe, Setsuya Nakada, other 5/16 AM1 Function Room A 10:00 - 10:15 V159-005 Hypocenter distribution and its time variation of volcanic earthquakes associated with the 2008 Shinmoe-dake eruption *Jun Oikawa, Hiroshi Tsuji, Atsushi Watanabe, other 5/16 AM1 Function Room A 10:15 - 10:30 V159-006 Case study of the precursors of the volcanic eruption in Japan. *Shigeru Suto 5/16 AM2 Function Room A 10:45 - 11:00 V159-007 Evaluation of Holocene eruptive activity of Kuril Islands inferred from tephrastratigraphy Akira Baba, *Mitsuhiro Nakagawa, Yoshihiro Ishizuka, other 5/16 AM2 Function Room A 11:00 - 11:15 V159-008 A scientific age-determination of the Shibukawa eruption from Haruna Volcano during the Tumulus period *Yukio Hayakawa, Kentaro Nakamura, Hisashi Fujine, other 5/16 AM2 Function Room A 11:15 - 11:30 V159-009 Eruptive sequence of AD1895 activity of Zao volcano, NE Japan *Kotaro Miura, Masao Ban, Tsukasa Ohba, other 5/16 AM2 Function Room A 11:30 - 11:45 V159-010 Flow dynamics of Pumice flow in the 15ka eruption, Nantai Volcano *Kazuya Yamamoto, Shin'ichi Ito, Kazumichi Fukuda, other 5/16 AM2 Function Room A 11:45 - 12:00 V159-011 Quaternary submarine huge calderas on the Tokara volcanic ridge, northern Ryukyu arc: evidenced from the submarine explorations *Hisayoshi Yokose, Hajime Sato, Tetsuo Kobayashi, other 5/16 AM2 Function Room A 12:00 - 12:15 V159-012 Monitoring of hydrothermal system under active volcanic vents using hot crater lake of Aso volcano *Akihiko Terada, Takeshi Hashimoto, Tsuneomi Kagiyama, other 5/16 PM1 Function Room A 13:45 - 14:00 V159-013 Time-dependent model for volume changes in pressure sources at Miyake volcano estimated by geodetic data during 1979-2000(Part 2) *Masayuki Murase, Kazutomo Takano, Fumiaki Kimata 5/16 PM1 Function Room A 14:00 - 14:15 V159-014 Vertical movement at the southwesternslope of Mt. Hokkaido-Komagatake after the eruption in 2000. *Hitoshi, Y. Mori, Atsuo Suzuki 5/16 PM1 Function Room A 14:15 - 14:30 V159-015 Crustal Deformation of Meakan-Dake Volcano Japan associated with Volcanic Activity *Makoto Murakami 5/16 PM1 Function Room A 14:30 - 14:45 V159-016 Various volcanic crustal deformations in recent years - For the evaluation of activity at inexperienced volcanoes of unrests *Hitoshi Yamasato, Jun'ichi Miyamura 5/16 PM1 Function Room A 14:45 - 15:00 V159-017 Simulations of dike intrusion and ground deformation by DEM (2) *Eisuke Fujita 5/16 PM1 Function Room A 15:00 - 15:15 V159-018 Low-frequency seismic source for monitoring volcanic activity *Koshun Yamaoka, Toshiki Watanabe, Ryoya Ikuta, other 5/16 PM2 Function Room A 15:30 - 15:45 V159-019 Eruptive activity at Asamayama in February 2009 *Miyamura Jun'ici Volcanological Division, Seismological and Volcanological Department, Japan Meteorological Agency 5/16 PM2 Function Room A 15:45 - 16:00 V159-020 Recent eruptions and unrest of Asama Volcano *Yosuke Aoki, Minoru Takeo, Takao Ohminato, other 5/16 PM2 Function Room A 16:00 - 16:15 V159-021 Distribution, weight, and component characteristics of tephra from the eruption on 2 February 2009 of Asama volcano *Fukashi Maeno, Yuki Suzuki, Setsuya Nakada, other 5/16 PM2 Function Room A 16:15 - 16:30 V159-022 Ellipse approximation method for a prompt recognition of ash fall distribution -a case study at Sakurajima volcano- *Yasuhisa Tajima, Takao Yamakoshi, Keiji Tamura, other 5/16 PM2 Function Room A 16:30 - 16:45 V159-023 Verification of the Quantitative Tephra Fall Prediction with the JMA Meso-Scale Tracer Transport Model of Volcanic Ash *Toshiki Shimbori, Yuri Aikawa, Naoko Seino 5/16 PM2 Function Room A 16:45 - 17:00 V159-024 Magma process in the eruption which generated Yufune-2 scoria in Fuji volcano *Yuki Suzuki, Toshitsugu Fujii 5/17 AM1 Function Room A 09:00 - 09:15 V159-025 A preliminary report on a seismic reflection experiment in Sakurajima volcano, Japan. Tomoki Tsutsui Seismic reflection survey party, SAKURAJIMA 2008 seismic exploration project, *Tomoki Tsutsui 5/17 AM1 Function Room A 09:15 - 09:30 V159-026 P-wave velocity structure of Sakurajima volcano using data of seismic survey at 2008 *Takeshi Tameguri, Masato Iguchi, Keigo Yamamoto, other 5/17 AM1 Function Room A 09:30 - 09:45 V159-027 GPS baseline solution with tropospheric correction by using the JMA numerical weather model *Akimichi Takagi, Keiichi Fukui, Hitoshi Yamasato, other 5/17 AM1 Function Room A 09:45 - 10:00 V159-028 Resistivity Changes of Sakurajima Volcano by Magnetotelluric Continuous Observations *Koki Aizawa, Wataru Kanda, Yasuo Ogawa, other 5/17 AM1 Function Room A 10:00 - 10:15 V159-029 Tilt changes associated with the small eruption at Mt. Asama on Feb. 2, 2009 *Takao Ohminato, Minoru Takeo 5/17 AM1 Function Room A 10:15 - 10:30 V159-030 Source estimate of tilt signals associated with very-long-period pulses at Asama Volcano *Yuta Maeda, Minoru Takeo, Takao Ohminato, other 5/17 AM2 Function Room A 10:45 - 11:00 V159-031 A study on the volcano deformation during Vulcanian eruptions *Takeshi Nishimura 5/17 AM2 Function Room A 11:00 - 11:15 V159-032 Concentration of pressure at the uppermost part of the conduit before explosive eruptions at Showa crater, Sakurajima volcano *Masato Iguchi, Akihiko Yokoo, Takeshi Tameguri 5/17 AM2 Function Room A 11:15 - 11:30 V159-033 Controlling mechanism of air shock intensity in vulcanian eruptions at Sakurajima volcano, Japan *Takahiro Miwa, Atsushi Toramaru 5/17 AM2 Function Room A 11:30 - 11:45 V159-034 Swelling and failure processes of crater bottom at onset of volcanic eruption *Akihiko Yokoo, Takeshi Tameguri, Masato Iguchi 5/17 AM2 Function Room A 11:45 - 12:00 V159-035 Viscoelastic effects on the fragmentation of vesicular magma by decompression *Masaharu Kameda, Susumu Shimanuki, Mie Ichihara 5/17 AM2 Function Room A 12:00 - 12:15 V159-036 Repetition of Vulcanian Explosions as a result of Conduit Magma Convection *Hiroshi Shinohara 5/17 PM1 Function Room A 13:45 - 14:00 V159-037 Sulfur dioxide flux difference between two craters in Sakurajima volcano by using UV cameras observation system *Ryunosuke Kazahaya, Toshiya Mori 5/17 PM1 Function Room A 14:00 - 14:15 V159-038 Effects of magma flux and viscosity on porosity change of an ascending magma in volcanic conduits during dome-forming eruptions *Tomofumi Kozono, Takehiro Koyaguchi 5/17 PM1 Function Room A 14:15 - 14:30 V159-039 Numerical simulation of medium-scale volcanic eruption clouds: Inner structures and turbulent mixing *Yujiro Suzuki, Takehiro Koyaguchi 5/17 PM1 Function Room A 14:30 - 14:45 V159-040 Comparative study on degree of fragmentation of crystals contained in pumice fall and lava flow *Maya Yasui 5/17 PM1 Function Room A 14:45 - 15:00 V159-041 Comparative petrology of the historical large eruptions of the Sakurajima Volcano: constraints from magnetite chemistry Sho Tamura, *Michihiko Nakamura, Masato Iguchi, other 5/17 PM1 Function Room A 15:00 - 15:15 V159-042 Eruptive history of Asama-Maekake Volcano *Masaki Takahashi, Maya Yasui, Hiroyuki Takemoto

V159: (Active volcanism)      top of this page
*poster  5/16

V159-P001 Phreatic eruptions of Meakandake volcano occurred in November 2008 and related volcanic activities. *Yuya Matsushita, Kengo Hatakeyama, Masashi Ogiso, other V159-P002 Contractional ground deformation during the inter-eruptive period at Usu volcano, obtained from InSAR and GPS observations *Tomokazu Kobayashi, Hitoshi, Y. Mori, Atsuo Suzuki, other V159-P003 Relocation of microearthquakes at Kusatsu-Shirane volcano *Teruo Yamawaki V159-P004 Three-dimensional body-wave velocity structures beneath Mt. Fuji *Yoshie Ogami, Masaki Nakamura, Akimichi Takagi, other V159-P005 Topographic analysis of lava flows on southern slope of Fuji Volcano based on Red Relief Image Maps *Azumi Uesugi, Masato Koyama, Yusuke Suzuki, other V159-P006 A Study on the Volcanic Scenario Adapting the FEP Analysis -Application to the Eruption of Izu-Oshima Volcano- Makoto Murakami, *Makoto Kawamura, Hisashi Sasaki, other V159-P007 Low-altitude remote sensing of volcanoes using unmanned helicopter: an example of aeromagnetic observation at Izu-Oshima *Takayuki Kaneko, Takao Koyama, Atsushi Yasuda, other V159-P008 Melting Experiments of a basalt from Miyakejima volcano : implication the magma chamber in Ofunato stage *Masashi Ushioda, Eiichi Takahashi, Toshihiro Suzuki V159-P009 Crustal deformation detected by kinematic GPS analysis at the early stage of the 2000 Miyakejima Volcano Eruption *Yoshihiro Matsumura V159-P010 Gravity changes at Aso Volcano during the period from 1979 to 2008 *Shin Yoshikawa, Sadato Ueki, Hiromitsu Oshima, other V159-P011 Precise Leveling Survey in Aso Caldera *Takahiro Ohkura, Shin Yoshikawa, Hiroyuki Inoue, other V159-P012 Shallow structure of Aira caldera by the analysis of seismic exploration data *Takashi Ando, Masato Iguchi, Keigo Yamamoto V159-P013 Progress and characteristic of ground deformation of Kuchinoerabujima volcano detected by GPS *Eiji Saito, Masato Iguchi V159-P014 Preliminary Crustal Deformation Observation around Mayon Volcano, Philippines using GPS *Kenji Fujiwara, Jame S. Sincioco, Eduardo Laguerta P, other V159-P015 Feasibility study on active monitoring of volcanic activity by using artificial source *Tsuyoshi Michishita, Koshun Yamaoka, Toshiki Watanabe V159-P016 Automated scanning instrument for continuous volcanic gas flux monitoring by compact UV spectrometer *Toshiya Mori V159-P017 Error estimation by radiative transfer model on measurement of volcanic SO2 flux with ultraviolet remote sensing *Keiichi Fukui, Teruo Aoki, Katsuyuki Kuchiki V159-P018 Progress Report on the Satellite Analysis Group of the Coordinating Committee for Prediction of Volcanic Eruption *Shirato Shoumei Japan Meteorological Agency Volcano Division V159-P019 Study on methods for extracting volcanic ash distribution by using ALOS imagery *Shoji Doshida, Takao Yamakoshi, Keiji Tamura V159-P020 Fundamental characteristics of experimental geyser *Kazuki Maeda, Atsushi Toramaru V159-P021 Dynamics of magma including bubbles during an eruptive sequence *Eui Yong Kang, Tadahiro Hatakeyama V159-P022 Detection of the crustal deformation at Tokachidake volcano by Interferometric SAR *Youhei Kinoshita, Masato Furuya V159-P023 Numerical simulation of magma ascent process in an open conduit based on a one-dimensional conduit flow model *Ryohei Kawaguchi, Takeshi Nishimura, Haruo Sato V159-P024 Development of mobile sensor for volcanic observation *Katsuya Kaneko, Koichi Ito, Yuichi Anbe V159-P025 Development of an automatic weight measurement system for volcanic ash *Daisuke Ohara, Yasuhisa Tajima, Shinji Numao, other V159-P026 Development of eruption cloud model incorporating water phase microphysics *Akihiro Hashimoto, Keiichi Fukui, Akimichi Takagi V159-P027 Petrological monitoring of eruption at Sakurajima volcano by automatic sampling system from Feb 2008 *Taketo Shimano, Masato Iguchi, Akihiko Yokoo V159-P028 A tree diagram for responses of bubbly magma on rapid decompression base on bubble dynamics *Mie Ichihara, Masaharu Kameda V159-P029 On the secondary nucleation of bubbles in decompressing magmas *Atsushi Toramaru V159-P030 Petrogenetic study of dense fragments included in pumice-fall eruption; case study of Asama volcano at 1108 and 1128 eruptions *Tsuyoshi Kichise, Michihiko Nakamura, Maya Yasui, other V159-P031 Magma pathway and recent eruptions of Asama Volcano, Japan *Yosuke Aoki V159-P032 Ground deformation at Asamayama volcano since 2008 revealed with tropospheric correction by using the JMA numerical weather model *Akimichi Takagi, Sei Iijima, kazuhiro maegawa, other V159-P033 Tilt change associated with the eruption of the Asama volcano on Feb. 2, 2009 observed by a Hi-net high-sensitivity accelerometer *Takanori Matsuzawa, Kazushige Obara, Hitoshi Hirose, other V159-P034 Detected infrasound signals in Isumi, Japan   - the Eruption at Asama Volcano - *Nobuo Arai, Takahiko Murayama, Mami Nogami, other V159-P035 Preliminary report on Ash-fall during the February 2, 2009 Eruption of Asama Volcano. *Teruki Oikawa, Nobuo Geshi, Hideo Hoshizumi, other V159-P036 Distribution and characteristics of tephra on the February 2, 2009 eruption of Asama volcano, Central Japan *Naomichi Miyaji, Tatsuro Chiba, Kunihiko Endo, other

V160:(Volcanic activity and magma)      top of this page
*oral

5/18 AM1 201A 09:00 - 09:15 V160-001 Muon radiography of Satsuma Iwojima *Hiroyuki Tanaka 5/18 AM1 201A 09:15 - 09:30 V160-002 Density distribution of magma in the conduit of Mt. Iwodake, Satsuma-Iwojima volcano:2. Conduit Magma Convection Model *Hiroshi Shinohara, Hiroyuki Tanaka 5/18 AM1 201A 09:30 - 09:45 V160-003 Density distribution of magma in the conduit of Mt. Iwodake, Satsuma-Iwojima volcano: 3. modeling of conduit flow *Tomofumi Kozono, Takehiro Koyaguchi, Hiroyuki Tanaka, other 5/18 AM1 201A 09:45 - 10:00 V160-004 On the inner structure and formation process of Komezuka scoria cone, Aso volcano *Takeshi Hashimoto, Mitsuru Utsugi, Shogo Komori 5/18 AM1 201A 10:00 - 10:15 V160-005 Preliminary report on the geology of 2000AD caldera wall in Miyakejima Volcano. *Teruki Oikawa, Nobuo Geshi 5/18 AM1 201A 10:15 - 10:30 V160-006 Open-system degassing of flowing and stagnant magmas in a volcanic conduit *Satoshi Okumura, Michihiko Nakamura, Kentaro Uesugi, other 5/18 AM2 201A 10:45 - 11:00 V160-007 A combined model of conduit flow and eruption cloud dynamics (Part 2) The effect of crater shape on the column collapse condition *Takehiro Koyaguchi, Tomofumi Kozono, Yujiro Suzuki 5/18 AM2 201A 11:00 - 11:15 V160-008 A review of recent researches on volcanic debris avalanche *Shinji Takarada 5/18 AM2 201A 11:15 - 11:30 V160-009 Eruption products of the August 22, 2008 eruption of Shinmoedake, Kirishima volcano *Nobuo Geshi, Shinji Takarada, Masaaki Tsutsui, other 5/18 AM2 201A 11:30 - 11:45 V160-010 Magmatic processes of Plinian eruptions: a comparison between the 1667 eruption of Tarumai (Tarumae) and the 1663 eruption of Usu *Akihiko Tomiya, Shingo Takeuchi 5/18 AM2 201A 11:45 - 12:00 V160-011 Reaction textures between olivine and orthopyroxene in the A.D.864 Aokigahara lava flow of Fuji volcano *Hiroaki Sato 5/18 AM2 201A 12:00 - 12:15 V160-012 Upwelling and melting of a hot mantle diapir beneath northwestern Kyushu, Japan *Tetsuya Sakuyama, Shun'ichi Nakai, Hirochika Sumino, other V160:(Volcanic activity and magma)      top of this page *poster  5/17 V160-P001 The relative roles of boundary layer fractionation and homogeneous fractionation in cooling basaltic magma chambers *Takeshi Kuritani V160-P002 Differentiation mechanisms in a sheet-like intrusion: Constraints from composition and microstructure in the Aosawa dolerite *Yushi Takada, Kazuhito Ozawa V160-P003 Thermodynamic modeling of mantle melting *Kenta Ueki, Hikaru Iwamori V160-P004 Fractal analysis of experimentally unstable flow in a conduit *Eiichi Sato, kazuhito yamasaki V160-P005 A petrological study on the magma plumbing systems in the Niijima and Shikinejima volcanoes, Izu Islands Ruriko Matsui, *Michihiko Nakamura, Kana Yoshiki, other V160-P006 Petrological viscosity scale of preeruptive magmas *Shingo Takeuchi V160-P007 Re-examination of viscosity evaluation model by Goto (1997) *Akio Goto V160-P008 Healing experiments of fractures in a rhyolitic melt: Estimation of lifetime of degassing pathways *Shumpei Yoshimura, Michihiko Nakamura V160-P009 Basaltic andesitic pyroclastic flow deposit of the 3.3ka eruption at Tokachidake Volcano, Northern Japan *Mitsuhiro Yoshimoto V160-P010 Volcanostratigraphy and K-Ar ages in the central part of Southern Yatsugatake volcanoes, central Japan *Kuniaki Nishiki, Yasumoto Oginome, Tatsuya Nagashima, other V160-P011 Eruption style of phreatomagmatic eruption based on paleomagnetism and lithofacies -A case study of AD 886 Niijima eruption *Reina Nakaoka, Keiko Suzuki-Kamata V160-P012 K-Ar ages of volcanic rocks from Kita-Iwo-To and Minami-Iwo-To Islands *Shun Nakano, Akikazu Matsumoto, Yasushi Ohta, other V160-P013 Processes from the generation to the deposition of rhyolitic phreatomagmatic eruption: examples of Hime-shima Volcanic Group *Toru Ishikawa, Keiko Suzuki-Kamata V160-P014 K-Ar ages of volcanic rocks from the north of the Hohi volcanic zone, central Kyushu: time-space change and new Quaternary volcano *Yoshihiro Ishizuka, Hideo Hoshizumi, Akikazu Matsumoto V160-P015 Petrological study of volcanic products from Ojodake and Nakadake in central cones of Aso volcano, southwestern Japan *Tomohisa Tamura, Toshiaki Hasenaka V160-P016 Emplacement Mechanism of Volcanic Breccias Distributed in the SW Wall of Aso Caldera *Kuniyuki Furukawa, Koji Uno, Taro Shinmura, other

V161:(Hydrothermal systems beneath volcanoes)     top of this page
*oral

5/17	PM2	301B	15:30 - 15:45	V161-001	Relation between 1m depth temperature and average geothermal gradient at 75cm depth in geothermal fields *Sachio Ehara
5/17	PM2	301B	15:45 - 16:00	V161-002	About the influence of the ground water on the formation of high temperature fumarole *Nobuo Matsushima
5/17	PM2	301B	16:00 - 16:15	V161-003	Four-dimensional resistivity tomography at Onikobe Geyser Yui Koda, *Yasuo Ogawa, Shinichi Takakura, other
5/17	PM2	301B	16:15 - 16:30	V161-004	Lacustrine sediments and subaqueous geothermal activity of the Nakadake crater lake, Aso Volcano, Japan *Yasuo Miyabuchi, Akihiko Terada
5/17	PM2	301B	16:30 - 16:45	V161-005	FORMATION PROCESS OF VOLCANIC GASES FROM MEAKANDAKE VOLCANO, JAPAN *Takeshi Ohba, Noriyasu Taira, Michiko Ohwada, other
5/17	PM2	301B	16:45 - 17:00	V161-006	Hydrogeochemistry of hydrothermal circulation occurred in Aira Caldera occupied the innermost part of Kagoshima Bay, Kyushu, Japan *Toshiro Yamanaka, Kotaro Maeto, Hironori Akashi, other

V161:(Hydrothermal systems beneath volcanoes)     top of this page
*poster  5/17

V161-P001 Pore fluid geochemistry affectted by shallow-water hydrothermal activity at Wakamiko submarine volcanoe in Kagoshima Bay *Seiya Matsukura, Shingo Hirao, Youko Miyoshi, other V161-P002 EstimatingTthermal structure of under Wakamiko Crater in Aira Caldera *Keiko Fujino, Sachio Ehara, Toshiro Yamanaka V161-P003 Time variation of seismic amplitude corresponding to tidal forces at the vicinity of hydrothermal vents of Wakamiko Caldera *Hiroshi Yakiwara, Syuichiro Hirano, Hiroki Miyamachi, other V161-P004 Change in Resistivity structure related with the decrease of thermal activity around Iwo-Yama, Kirishima Volcanoes *Katsunari Unai, Tsuneomi Kagiyama, Mitsuru Utsugi, other V161-P005 A shallow resistivity structure of Kuju volcano, central Kyushu, Japan *Wataru Kanda, Mitsuru Utsugi, Yoshikazu Tanaka, other V161-P006 Hydrothermal system beneath Nabeyama-Myoban hotspring area inferred from self-potential profile *Hideaki Hase V161-P007 The formation process of spring water at Kusatsu-Shirane volcano Japan based on the chemical composition of cations *Atsushi Shimizu, Takeshi Ohba V161-P008 Appearance of a new fumarole in November 2008 and related mud deposits in Azuma volcano *Shin'ya Onizawa, Hiroshi Shinohara, Nobuo Matsushima V161-P009 Change of fluid chemistry and reservoir of Hijiori HDR test field *Norio Yanagisawa V161-P010 Simple numerical method for simulating underground multiphase flow *Mitsuo Matsumoto V161-P011 Volcanic activity monitoring using MODIS data *Takafumi Noguchi, Katsumi Hattori, Nozomi Ohno V161-P012 Temporal change of the coefficient of geothermal flux used in the heat balance technique *Yasuhiro Fujimitsu, Jun Nishijima, Sachio Ehara

V227:(caldera)    top of this page
*oral

5/18	PM1	101	13:45 - 14:00	V227-001	Diversity of volcanic activities in Kyushu *Tsuneomi Kagiyama
5/18	PM1	101	14:00 - 14:15	V227-002	Unrest events repeated since 1999 at Kuchinoerabujima volcano, Japan *Masato Iguchi, Takehiko Mori, Eiji Saito, other
5/18	PM1	101	14:15 - 14:30	V227-003	Quantitative examination of the effect of magma degassing on the electrical conductivity structure of a volcano *Shogo Komori, Tsuneomi Kagiyama
5/18	PM1	101	14:30 - 14:45	V227-004	Well-resolved hypocenter distribution of earthquake swarm in the caldera of Hakone Volcano *Yohei Yukutake, Toshikazu Tanada
5/18	PM1	101	14:45 - 15:00	V227-005	Resistivity structure of the Aso Caldera using wideband magnetotelluric method *Mitsuru Utsugi, Takeshi Hashimoto, Wataru Kanda, other
5/18	PM1	101	15:00 - 15:15	V227-006	Three cycles of magma activities leading to large eruptions as observed in Aira caldera *Yuko Sekiguchi, Toshiaki Hasenaka
5/18	PM2	101	15:30 - 15:45	V227-007	Fragmentation and hybridization of magma inferred from essential materials in Aso-4 pyroclastics, SW Japan *Michiaki Imaizumi, Yoshihiro Sawada
5/18	PM2	101	15:45 - 16:00	V227-008	Temporal changes of petrological characteristics of volcanic products between pre-caldera and post-caldera stages in Aso volcano *Masaya Miyoshi, Taro Shinmura, Kuniyuki Furukawa, other
5/18	PM2	101	16:00 - 16:15	V227-009	Temporal changes of geochemical characteristics of volcanic products from Aso volc: Implication for a prediction of super eruption *Taro Shinmura, Yoji Arakawa, Masaya Miyoshi, other
5/18	PM2	101	16:15 - 16:30	V227-010	Temporal variation in magma system of Kutcharo caldera volcano, eastern Hokkaido *Mitsuhiro Nakagawa, Takeshi Hasegawa, Akiko Matsumoto
5/18	PM2	101	16:30 - 16:45	V227-011	Magma feeding system of Kutcharo and Mashu volcanoes *Isoji MIYAGI, Jun'ichi Itoh, Hoang Nguyen
5/18	PM2	101	16:45 - 17:00	V227-012	Magmatic processes of the largest silicic eruption (Ak2) from Akan caldera, eastern Hokkaido: Comparing with the other eruptions *Takeshi Hasegawa, Mitsuhiro Nakagawa

V227:(caldera)    top of this page
*poster   5/17

V227-P001	Field Occurrence of Hitomi-dani Composite Dike, Kawakami, Nara Prefecture *Yutaka WADA, Kimi Tanigawa, Hironao Shinjoe
V227-P002	Geology of the Higashi-Yamanashi volcano-plutonic complex and its implications for the process of cauldron formation. *Tatsuo Kanamaru, Masaki Takahashi
V227-P003	Volcanic edifice structure of Myojinsho caldera by bathymetry and seismic survey *Taketo Shimano, Kenichiro Tani, Fukashi Maeno, other
V227-P004	Resistivity structure of central Kyushu region, Japan, revisited (2) *Takao Koyama, Hiroshi Munekane, Tsuneomi Kagiyama, other