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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

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