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Featured researches published by Masayuki Murase.


Earth, Planets and Space | 2004

Ground uplift detected by precise leveling in the Ontake earthquake swarm area, central Japan in 2002-2004

Fumiaki Kimata; Rikio Miyajima; Masayuki Murase; Dudy Darwaman; Takeo Ito; Yusaku Ohata; Meilano Irwan; Kazutomo Takano; Fauzan Ibrahim; Etsuro Koyama; Hiroshi Tsuji; Teturo Takayama; Kazuya Uchida; Jun Okada; David Solim; Herri Anderson

Repeated precise leveling in the earthquake swarm area of Ontake, central Japan has revealed uplift of 3–6 mm in proximity to the epicentral region of the most active earthquake cluster in 2002–2004. Although the uplift is small, the vertical displacement is significant even considering leveling error. This uplift is associated with increases in 3He/4He ratios and CO2 δ13C values at a mineral spring in the region, indicating an upper mantle contribution. A region of low resistivity at a depth of 2 km beneath the uplift area has also been inferred, suggesting that the observed uplift is related to changes in a shallow seismogenic layer due to increased hydrothermal input from the earthquake swarm area.


Journal of Volcanology and Geothermal Research | 2014

Volcano-hydrothermal activity detected by precise levelling surveys at the Tatun volcano group in Northern Taiwan during 2006–2013

Masayuki Murase; Cheng-Hong Lin; Fumiaki Kimata; Hitoshi Mori; Hsin-Chieh Pu


Journal of Volcanology and Geothermal Research | 2006

Time dependent model of magma intrusion in and around Miyake and Kozu Islands, Central Japan in June–August, 2000

Masayuki Murase; Meilano Irwan; S. Kariya; Takao Tabei; Takashi Okuda; Rikio Miyajima; Jun Oikawa; Hidefumi Watanabe; Teruyuki Kato; Shigeru Nakao; Motoo Ukawa; Eisuke Fujita; Muneo Okayama; Fumiaki Kimata; Naoyuki Fujii


Earth, Planets and Space | 2016

Preparatory process preceding the 2014 eruption of Mount Ontake volcano, Japan: Insights from precise leveling measurements 5.Volcanology

Masayuki Murase; Fumiaki Kimata; Yoshiko Yamanaka; Shinichiro Horikawa; Kenjiro Matsuhiro; Takeshi Matsushima; Hitoshi Mori; Takahiro Ohkura; Shin Yoshikawa; Rikio Miyajima; Hiroyuki Inoue; Taketoshi Mishima; Tadaomi Sonoda; Kazunari Uchida; Keigo Yamamoto; Harushisa Nakamichi


Journal of Volcanology and Geothermal Research | 2007

Time-dependent model for volume changes in pressure sources at Asama volcano, central Japan due to vertical deformations detected by precise leveling during 1902–2005

Masayuki Murase; Koji Ono; Takeo Ito; Rikio Miyajima; Hitoshi Mori; Hiroshi Aoyama; Hiromitu Oshima; Yuka Yoshida; Akihiko Terada; Eturo Koyama; Toyotarou Takeda; Hidefumi Watanabe; Fumiaki Kimata; Naoyuki Fujii


Journal of Volcanology and Geothermal Research | 2010

Spatio-temporal distribution of magma intrusions inducing repeated earthquake swarms off the east coast of the Izu peninsula, central Japan, for 1973–1998

Masayuki Murase; Takeo Ito; Yoshinari Hayashi; Takeshi Sagiya; Fumiaki Kimata; Hidefumi Watanabe


Japan Geoscience Union | 2015

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

Masayuki Murase; Fumiaki Kimata; Rikio Miyajima; Y. Mori Hitoshi; Yoshiko Yamanaka; Shinichiro Horikawa; Kenjiro Matsuhiro; Takahiro Ohkura; Shin Yoshikawa; Hiroyuki Inoue; Taketoshi Mishima; Tadaomi Sonoda; Takeshi Matsushima; Kazunari Uchida


Tectonophysics | 2013

An episodic creep-slip event detected by precise levelling surveys in the central part of the Longitudinal Valley Fault, eastern Taiwan, in 2011–2012

Masayuki Murase; Nobuhisa Matta; Cheng-Hong Lin; Wen-Shan Chen; Naoji Koizumi


Japan Geoscience Union | 2017

Vertical Deformation Detected by the Precise Levelling Survey after the 2014 Mt. Ontake Eruption (2014-2016)

Masayuki Murase; Y. Mori Hitoshi; Kazuki Ofuchi; Mitsusato Nannbu; Yuta Maeda; Shinichiro Horikawa; Takashi Okuda; Takeshi Matsushima; Kazunari Uchida; Yoshiko Teguri; Ayaho Mitsuoka; Keigo Yamamoto; Sin Yoshikawa; Hiroyuki Inoue; Fumiaki Kimata; Hiroaki Yanagisawa; Yoshiaki Imai; Kazuhiro Kimura


Japan Geoscience Union | 2017

Vertical ground deformation of Ioyama, Kirishima volcanoes measured by precise leveling survey (during Mar. 2012 - Nov. 2016)

Kaori Morita; Takeshi Matsushima; Kazunari Uchida; Rintaro Miyamachi; Yoshiko Teguri; Shiori Fujita; Manami Nakamoto; Hiroshi Shimizu; Y. Mori Hitoshi; Masayuki Murase; Takahiro Ohkura; Hiroyuki Inoue; Akihiko Yokoo

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