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Title: Vertical movements of the Murono mud volcano in Japan caused by the Naganoken Kamishiro Fault Earthquake in 2014
Authors: Kusumoto, Shigekazu
Hamamoto, Toshiki
Fukuda, Yoichi  kyouindb  KAKEN_id
Takahashi, Atsushi
Author's alias: 福田, 洋一
Keywords: Borehole breakout
Stress rotation
Active fault identification
Nankai Trough
Issue Date: 6-Feb-2015
Publisher: SpringerOpen
Journal title: Earth, Planets and Space
Volume: 67
Thesis number: 17
Abstract: We observed vertical movements of the Murono mud volcano, Niigata, Japan, caused by the Naganoken Kamishiro Fault Earthquake (M∈=∈6.7) on 22 November 2014. Precise levelling around the mud volcano was carried out on 27 November 2014, and the obtained elevation was compared with the data obtained for 11 November 2014. It was found that an elliptical uplift area, about 46 mm in magnitude and an order of magnitude smaller than that of the ones formed due to the past movements caused by the earthquakes in the same area, had been formed. It was considered that the structures of the shallow subsurface as well as the distance between the mud volcano and epicentre might play an important role in understanding the magnitude of vertical movements and distribution patterns.
Rights: © 2015 Kusumoto et al.; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://​creativecommons.​org/​licenses/​by/​4.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
DOI(Published Version): 10.1186/s40623-015-0223-1
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