[S-VC45] Active Volcanism

Thu. May 28, 2015 11:00 AM - 12:30 PM 304 (3F)

Convener:*Yosuke Aoki(Earthquake Research Institute, University of Tokyo), Chair:Teruki Oikawa(Institute of Earthquake and Volcano Geology, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology), Masayuki Murase(Department of Geosystem, College of Humanities and Sciences, NIHON University)

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. Also we welcome contributions on the 2014 Ontake eruption.

+Add all to schedule

11:00 AM - 11:15 AM

[SVC45-10] Eruption sequence of Ontake-san (Ontake Volcano) 2014 eruption, based on the images and the field survey.

*Teruki OIKAWA¹, Mitsuhiro YOSHIMOTO², Setsuya NAKADA³, Fukashi MAENO³, Yoshihiro ISHIZUKA¹, Yoshihiro TAKESHITA⁴, Jiro KOMORI⁵, Taketo SHIMANO⁶, Yasuhiro ISHIMINE⁷ (1.GSJ/AIST, 2.Mount Fuji Research Institute, Yamanashi Prefectural Government, 3.ERI, Univ. Tokyo, 4.Education, Shinshu Univ., 5.Teikyo Heisei Univ., 6.Social and Environmental,Tokoha Univ., 7.Department of Health Crisis Management, National Institute of Public Health)

11:15 AM - 11:30 AM

[SVC45-11] Numerical Study of Clast Transport of 2014 Ontake Eruption, Japan

*Kae TSUNEMATSU¹, Takayuki KANEKO², Yasuhiro ISHIMINE³, Mitsuhiro YOSHIMOTO¹, Toshitsugu FUJII¹, Koshun YAMAOKA⁴ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, Japan, 2.Earth Research Institute, University of Tokyo, Japan, 3.National Institute of Public Health, Japan, 4.Graduate School of Envrionmental Studies, Nagoya University)

11:30 AM - 11:45 AM

[SVC45-12] Theoretical Analysis on the Conditions for Generating Pyroclastic Density Current during 2014 Eruption of Ontake Volcano

*Yasuhiro ISHIMINE¹, Teruki OIKAWA², Mitsuhiro YOSHIMOTO³ (1.National Institute of Public Health, 2.National Institute of Advanced Industrial Science and Technology, 3.Mount Fuji Research Institute, Yamanashi Prefectural Govenment)

11:45 AM - 12:00 PM

[SVC45-13] Spatial temporal evolution of seismicity before and after the 2014 phreatic eruption of Mount Ontake

*Aitaro KATO¹, Toshiko TERAKAWA¹, Yoshiko YAMANAKA¹, Yuta MAEDA¹, Shinichiro HORIKAWA¹, Kenjiro MATSUHIRO¹, Takashi OKUDA¹ (1.Graduate School of Environmental Studies, Nagoya University)

12:00 PM - 12:15 PM

[SVC45-14] Temporal changes in earthquake focal mechanism solutions following the 2014 eruption of the Mt. Ontake volcano

*Toshiko TERAKAWA¹, Aitaro KATO¹, Yoshiko YAMANAKA¹, Yuta MAEDA¹, Shinichiro HORIKAWA¹, Kenjiro MATSUHIRO¹, Takashi OKUDA¹ (1.Graduate School of Environmental Studies, Nagoya University)

12:15 PM - 12:30 PM

[SVC45-15] Preparatory process for the 2014 eruption in Ontake Volcano estimated from precise leveling (2006-2014)

*Masayuki MURASE¹, Fumiaki KIMATA², Rikio MIYAJIMA², Hitoshi, Y. MORI³, Yoshiko YAMANAKA⁴, Shinichiro HORIKAWA⁴, Kenjiro MATSUHIRO⁴, Takahiro OHKURA⁵, Shin YOSHIKAWA⁵, Hiroyuki INOUE⁵, Taketoshi MISHIMA⁵, Tadaomi SONODA⁶, Takeshi MATSUSHIMA⁷, Kazunari UCHIDA⁷ (1.Department of Geosystem, College of Humanities and Sciences, NIHON University, 2.Tono Research Institute of Earthquake Science, Association, 3.Institute of Seismology and Volcanology, Faculty of Science, Hokkaido University, 4.Graduate School of Encironmental Studies, University of NAGOYA, 5.Aso Volcanological Laboratory, Institute for Geothermal Sciences, Graduate School of Science, Kyoto, 6.Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University, 7.Institute of Seismology and Volcanology, Faculty of Sciences, Kyushu University)