Investigation of rapture propagation mechanism during the 1999 Taiwan Chi-Chi earthquake

• Project/Area Number: 18740323
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Geology
• Research Institution: Osaka University
• Principal Investigator: HIRONO Tetsuro Osaka University, 大学院理学研究科, 准教授 (70371713)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,600,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥300,000); Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000); Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
• Keywords: 地震 / テクトニクス / 台湾集集地震 / チェルンプ断層

Research Abstract

1999年台湾集集地震のとき,震源断層であるチェルンプ断層がどのように動いたのかを明らかにするために,断層掘削コア試料における岩石記載,物性測定,化学分析,組織解析を実施した.その結果,高温下のみで進行する化学反応による痕跡が発見され,これは地震時に断層にて摩擦発熱が生じたことを示唆する.一方,組織解析の結果,溶融した痕跡は認められなかった.よって,地震時に断層では,摩擦発熱による間隙水圧の上昇を伴うthermal pressurizationが機能したと考えられる.

Research Products

• [Journal Article] Analyses of pseudotachylyte from Hole-B of Taiwan Chelungpu Fault Drilling Project (TCDP) ; their implications for seismic slip behaviors during 1999 Chi-Chi earthquake (2009)
  • Author(s): Otsuki, K., Hirono, T., Omori, M., Sakaguchi, M., Tanikawa, W., Lin, W., Soh, W., Song, S.
  • Journal Title: Tectonophysics 469 Pages: 13-24
  • Peer Reviewed
• [Journal Article] Analyses of pseudotachylyte from Hole-B of Taiwan Chelungpu Fault Drilling Project (TCDP) ; their implications for seismic slip behaviors during 1999 Chi-Chi earthquake (2009)
  • Author(s): Otsuki, K.
  • Journal Title: Tectonophysics 469 Pages: 13-24
  • Peer Reviewed
• [Journal Article] Energy taken up by co-seismic chemical reactions during a large earthquake : An example from the 1999 Taiwan Chi-Chi Earthquake (2009)
  • Author(s): Hamada, Y.
  • Journal Title: Geophysical Research Letters 36
  • Peer Reviewed
• [Journal Article] Estimated dynamic shear stress and frictional heat during the 1999 Taiwan Chi-Chi earthquake : a chemical kinetics approach with isothermal heating experiments (2009)
  • Author(s): Hamada, Y.
  • Journal Title: Tectonophysics 469 Pages: 73-84
  • Peer Reviewed
• [Journal Article] Characterization of slip zone associated with the 1999 Taiwan Chi-Chi earthquake : X-ray CT image analyses and microstructural obserbations of the Taiwan Chelungpu Fault (2008)
  • Author(s): Hirono, T., Sakaguchi, M., Otsuki, K., Sone, H., Fujimoto, K., Mishima, T., Lin, W., Tanikawa, W., Tanimizu, M., Soh, W., Yeh, E., Song, S.
  • Journal Title: Tectonophysics 449 Pages: 63-84
  • Peer Reviewed
• [Journal Article] Claymineral reactions caused by frictional heating during an earthquake : An example from the Taiwan Chelungpu Fault (2008)
  • Author(s): Hirono, T., Fujimoto, K., Yokoyama, T., Hamada, Y., Tanikawa, W., Tadai, O., Mishima, T., Tanimizu, M., Lin, W., Soh, W., Song, S.
  • Journal Title: Geophysical Research Letters 35
  • Peer Reviewed
• [Journal Article] Profiles of volumetric water content in fault zones retrieved from hole B of the Taiwan Chelungpu-fault Drilling Project (TCDP) (2008)
  • Author(s): Lin, W., Matsubayashi, O., Yeh, E., Hirono, T., Tanikawa, W., Soh, W., Wang, C., Song, S., Murayama, M.
  • Journal Title: Geophysical Research Letters 35
  • Peer Reviewed
• [Journal Article] Characteristics of chlorites in seismogenic fault zones : the Taiwan Chelungpu Fault Drilling Project (TCDP) core sample (2008)
  • Author(s): Hashimoto, Y., Tadai, O., Tanimizu, M., Tanikawa, W., Hirono, T., Lin, W., Mishima, T., Sakaguchi, M., Soh, W., Song, S., Aoike, K., Ishikawa, T., Murayama, M., Fujimoto, K., Fukuchi, T., Ikehara, M., Ito, H., Kikuta, H., Kinoshita, M., Masuda, K., Matsubara, T., Matsubayashi, O., Mizoguchi, K., Nakamura, N., Otsuki, K., Shimamoto, T., Sone, H., Takahashi, M.
  • Journal Title: eEarth 3 Pages: 1-6
  • Peer Reviewed
• [Journal Article] High magnetic susceptibility produced by thermal decomposition of core samples from the Chelungpu fault in Taiwan (2008)
  • Author(s): Tanikawa, W., Mishima, T., Hirono, T., Soh, W., Song, S.
  • Journal Title: Earth and Planetary Science Letters 272 Pages: 372-381
  • Peer Reviewed
• [Journal Article] Coseismic fluid-rock interactions at high temperatures in the Chelungpu fault (2008)
  • Author(s): Ishikawa, T., Tanimizu, M., Nagaishi, K., Matsuoka, J., Tadai, O., Sakaguchi, M., Hirono, T., Mishima, T., Tanikawa, W., Lin. W., Kikuta, H., Soh, W., Song, S.
  • Journal Title: Nature Geoscience 1 Pages: 679-683
  • Peer Reviewed
• [Journal Article] Clay mineral reactions caused by frictional heating during an earthquake : An example from the Taiwan Chelungpu fault (2008)
  • Author(s): Hirono. T.
  • Journal Title: Geophysical Research Letters 35
  • Peer Reviewed
• [Journal Article] High magnetic susceptibility produced by thermal decomposition of core samples from the Chelungpu fault in Taiwan (2008)
  • Author(s): Tanikawa, W.
  • Journal Title: Earth and Planetary Science Letters 272 Pages: 372-381
  • Peer Reviewed
• [Journal Article] Coseismic fluid-rock interactions at high temperatures in the Chelungpu fault (2008)
  • Author(s): Ishikawa, T.
  • Journal Title: Nature Geoscience 1 Pages: 679-683
  • Peer Reviewed
• [Journal Article] Characterization of slip zone associated with the 1999 Taiwan Chi-Chi earthquake:X-ray CT image analyses and microstructural observations of the Taiwan Chelungpu fault (2008)
  • Author(s): Hirono, T.
  • Journal Title: Tectonophysics 449 Pages: 63-84
  • Peer Reviewed
• [Journal Article] Characteristics of chlorites in seismogenic fault zones:the Taiwan Chelungpu Fault Drilline Proiect (TCDP) core sample (2008)
  • Author(s): Hashimoto, Y.
  • Journal Title: eEarth 3 Pages: 1-6
  • Peer Reviewed
• [Journal Article] Profiles of volumetric water content in fault zones retrieved from hole B of the Taiwan Chelungpu-fault Drilling Project (TCDP) (2008)
  • Author(s): Lin, W.
  • Journal Title: Geophysical Research Letters 35 Pages: 1010292007032158-1010292007032158
  • Peer Reviewed
• [Journal Article] Chemical and isotopic characteristics of interstitial fluids within the Taiwan Chelungpu fault (2007)
  • Author(s): Hirono, T., Tsunogai, T., Maegawa, K., Toki, T., Tanimizu, M., Soh, W., Lin, W., Yeh, E., Song, S., Wang, C.
  • Journal Title: Geochemical Journal 41 Pages: 97-102
  • NAID: 10026140537
  • Peer Reviewed
• [Journal Article] Nondestructive continuous physical property measurements of core samples recovered from Hole B. Taiwan Chelungpu-fault Drilling Project (2007)
  • Author(s): Hirono, T., Yeh, E., Lin, W., Sone, H., Mishima, T., Soh, W., Hashimoto, Y., Matsubayashi, O., Aoike, K., Ito, H., Kinoshita, M., Murayama, M., Song, S., Ma, K., Hung, J., Wang, C., Tsai, Y., Kondo, T., Nishimura, M., Moriya, S., Tanaka, T., Fujiki, T., Maeda, L., Muraki, H., Kuramoto, T., Sugiyama, K., Sugawara, T.
  • Journal Title: Journal of Geophysical Research 112
  • Peer Reviewed
• [Journal Article] Nondestructive continuous physical property measurements of core samples recovered from Hole B, Taiwan Chelungpu-fault Drilling Project (2007)
  • Author(s): Hirono, T.
  • Journal Title: Journal of Geophysical Research 112 Pages: 1010292006004738-1010292006004738
  • Peer Reviewed
• [Journal Article] A chemical kinetic approach to estimate dynamic shear stress diiring the 1999 Taiwan Chi-Chi earthquake (2007)
  • Author(s): Hirono, T.
  • Journal Title: Geophysical Research Letters 34 Pages: 1010292007030743-1010292007030743
  • Peer Reviewed
• [Journal Article] Preliminary results of stress measurement by using drill cores of TCDP Hole-A:Anapplication of anelastic strain recovery method to three-dimensional in-situ strfiss determination (2007)
  • Author(s): Lin, W.
  • Journal Title: Terrestrial Atmospheric and Oceanic Sciences 18 Pages: 379-393
  • Peer Reviewed
• [Journal Article] High magnetic susceptibility reproduced in frictional tests on core samples from the Chelungpu fault in Taiwan (2007)
  • Author(s): Tanikawa, W.
  • Journal Title: Geophysical Research Letters 34 Pages: 1010292007030783-1010292007030783
  • Peer Reviewed
• [Journal Article] Preliminary results of core description from the Hole-A of the Taiwan Chelungpu-Fault Drilliner Proiect (2007)
  • Author(s): Yeh, E.
  • Journal Title: Terrestrial Atmospheric and Oceanic Sciences 18 Pages: 327-357
  • Peer Reviewed
• [Journal Article] Current stress state and principal stress permutations in the vicinity of the Che lungpu fault induced by the 1999 Chi-Chi, Taiwan, earthquake (2007)
  • Author(s): Lin, W.
  • Journal Title: Geophysical Research Letters 34 Pages: 1010292007030515-1010292007030515
  • Peer Reviewed
• [Journal Article] Low total and inorganic carbon contents within the Chelungpu fault (2007)
  • Author(s): Ikehara, M.
  • Journal Title: Geochemical Journal 41 Pages: 391-396
  • Peer Reviewed
• [Journal Article] High magnetic susceptibility of fault gouge within Taiwan Chelungpu-fault : Nondestructive continuous measurements of physical and chemical properties in fault rocks recovered from Hole B, TCDP (2006)
  • Author(s): Hirono, T, Lin, W., Yeh, E., Soh, W., Hashimoto, Y., Sone, H., Matsubayashi, O., Aoike, K., Ito, H., Kinoshita, M., Murayama, M., Song, S., Ma, K., Hung, J., Wang, C, Tsai, Y.
  • Journal Title: Geophysical Research Letters 33
• [Journal Article] Evidence of frictional melting within disk-shaped black materials discovered from the Taiwan Chelungpu fault system (2006)
  • Author(s): Hirono, T., IKehara, M., Otsuki, K., Mishima, T., Sakaguchi, M., Soh, W., Omori, M., Lin W., Yeh, E., Tanikawa, W., Wang, C.
  • Journal Title: Geophysical Research Letters 33
• [Journal Article] Thermal history estimation of the Taiwan Chelungpu Fault using rock-magnetic methods (2006)
  • Author(s): Mishima, T., Hirono, T., Soh, W., Song.
  • Journal Title: Geophysical Research Letters 33
• [Journal Article] Changes to magnetic minerals caused by frictional heating during the 1999 Taowa Chi-Chi earthquake
  • Author(s): Mishima, T., Hirono, T., Nakamura, N., Tanikawa, W., Soh, W., Song, S.
  • Journal Title: Earth. Planets and Space (in press)
  • Peer Reviewed
• [Journal Article] Transport properties and dynamic processes in a fault zone from samples recovered from TCDP Hole B of the Taiwan Chelungpu-fault Drilling Project
  • Author(s): Tanikawa, W., Sakaguchi, M., Hirono, T., Lin, W., Soh, W., Song, S.
  • Journal Title: Geochemistry. Geophysics. Geosystems (in press)
  • Peer Reviewed
• [Journal Article] 1999年台湾集集地震を引き起こしたチェルンプ断層の深部掘削の成果概要-明らかになってきた断層岩の物質科学と今後の課題-
  • Author(s): 徐垣, 谷川亘, 廣瀬丈洋, 林為人, 谷水雅治, 石川剛志, 廣野哲朗, 中村教博, 三島稔明, En-Chao Yeh, Sheng-Rong Song, Kuo-Fong Ma
  • Journal Title: 地震学雑誌 (印刷中)
  • NAID: 130000254076
  • Peer Reviewed
• [Journal Article] Changes to magnetic minerals caused by frictional heating during the 1999 Taiwan Chi-Chi earthquake
  • Author(s): Mishima, T.
  • Journal Title: Earth, Planets and Space (印刷中)
  • Peer Reviewed
• [Journal Article] Chemical and isotopic characteristics of interstitial fluids within the Taiwan Chelungpu fault
  • Author(s): Hirono T., Tsunogal, U., Maegawa, K., Toki, T, Tanimizu, M., Soh, W., Lin, W., Yeh, E., Song, S., Wang, C.
  • Journal Title: Geochemical Journal (in press)
  • NAID: 10026140537
• [Presentation] Clay mineral reactions caused by frictional heating during an earthquake : An example from the Taiwan Chelungpu fault (2008)
  • Author(s): Hirono, T.
  • Organizer: American Geophysical Union Fall Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2008-12-19
• [Presentation] 台湾チェルンプ断層における地震時の炭質物の化学変化 (2008)
  • Author(s): 廣野哲朗
  • Organizer: 日本地質学会第115回学術大会
  • Place of Presentation: 秋田
  • Year and Date: 2008-09-22
• [Presentation] 台湾チェルンプ断層における地震時の化学反応 (2008)
  • Author(s): 廣野哲朗
  • Organizer: 日本鉱物科学会2008年会
  • Place of Presentation: 秋田
  • Year and Date: 2008-09-22
• [Presentation] 台湾チェルンプ断層における地震時の炭質物の化学変化 (2008)
  • Author(s): 廣野哲朗
  • Organizer: 日本鉱物科学会2008年年会
  • Place of Presentation: 秋田市
  • Year and Date: 2008-09-22
• [Presentation] 台湾チェルンプ断層掘削プロジェクトHoleB断層コア解析 (2008)
  • Author(s): 廣野哲朗
  • Organizer: 日本地球惑星科学連合大会
  • Place of Presentation: 幕張市
  • Year and Date: 2008-05-26
• [Presentation] 台湾チェルンプ断層掘削プロジェクトHoleB断層コアにおける摩擦発熱温度の推定 (2007)
  • Author(s): 廣野哲朗
  • Organizer: 日本地質学会第114会学術大会
  • Place of Presentation: 札幌
  • Year and Date: 2007-09-09
• [Remarks]
  • URL: http://www.geocities.jp/tetsurohirono/
• [Remarks]
  • URL: http://www.geocities.jp/tetsurohirono/