Výsledky vyhledávání - "Norihito Umino"

The Achievement of Archiving Analog Seismograms in Japanese Institutes for 15 Yr

Autor: Takahiro Ohkura, Yoshiaki Tamura, Ritsuko S. Matsu'ura, Minoru Kasahara, Yoshihisa Iio, Norihito Umino

Publikováno v: Seismological Research Letters. 91:1452-1458

Since 2004, more than 100,000 smoked paper seismograms have been preserved as high-definition image files in three academic institutes in Japan. Also, 27,000 analog records on 35 mm films of 0.6 m long were converted to tiff files in two institutes.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b28d2c0a565d3075e75acb0200849ef9
https://doi.org/10.1785/0220190301

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The great 1933 Sanriku-oki earthquake: reappraisal of the main shock and its aftershocks and implications for its tsunami using regional tsunami and seismic data

Autor: Norihito Umino, Ryota Hino, Stephen H. Kirby, Tomoe Kazakami, Naoki Uchida

Publikováno v: Geophysical Journal International. 206:1619-1633

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0bc62bb244784e89d7d960c3bacb8b78
https://doi.org/10.1093/gji/ggw234

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Crustal structure in and around the Onikobe geothermal area, northeastern Honshu, Japan, inferred from the spatial variation of coda decay

Autor: Hidetoshi Miura, Akira Hasegawa, Masahiro Kosuga, Akiko Hasemi, Mari Ishizawa, Norihito Umino

Publikováno v: Physics of the Earth and Planetary Interiors. 244:23-31

The Onikobe area is an active geothermal area situated in the Ou backbone range of northeastern Honshu, Japan. It is home to calderas from the Tertiary to Quaternary eras and active volcanoes. A systematic spatial variation of Qc has been found in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd048a2d8149fdca77c3866f8dddfa7e
https://doi.org/10.1016/j.pepi.2015.04.006

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Hypocenter migration and crustal seismic velocity distribution observed for the inland earthquake swarms induced by the 2011 Tohoku-Oki earthquake in NE Japan: implications for crustal fluid distribution and crustal permeability

Publikováno v: Crustal Permeability

After the occurrence of the 2011 magnitude 9 Tohoku earthquake, the seismicity in the overriding plate changed. The seismicity appears to form distinct belts. From the spatiotemporal distribution of hypocenters, we can quantify the evolution of seism

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5272d0b3f0c3cb530a5859b8aae248a1
https://doi.org/10.1111/gfl.12112

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Complex slab structure and arc magmatism beneath the Japanese Islands

Autor: Tomomi Okada, Naoki Uchida, Junichi Nakajima, Norihito Umino, Toru Matsuzawa, Takahiro Yanada, Akira Hasegawa, Dapeng Zhao

Publikováno v: Journal of Asian Earth Sciences. 78:277-290

A dense nationwide seismic network recently constructed in Japan has resulted in the production of a large amount of high-quality data that have enabled the high-resolution imaging of deep seismic structures in the Japanese subduction zone. Seismic t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::479822a2ebf085d7ddc24f2a855d9466
https://doi.org/10.1016/j.jseaes.2012.12.031

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Seismic attenuation beneath northeastern Japan: Constraints on mantle dynamics and arc magmatism

Autor: Naoki Uchida, Junichi Nakajima, Akira Hasegawa, Shuhei Hada, Shoichi Yoshioka, Norihito Umino, Erika Hayami, Toru Matsuzawa

Publikováno v: Journal of Geophysical Research: Solid Earth. 118:5838-5855

We apply a three-step approach to estimate three-dimensional (3-D) P wave attenuation (Qp−1) structure beneath northeastern Japan. First, corner frequencies of earthquakes are determined using the spectral-ratio method for S-coda waves. Then, whole

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5be58f2e817730445f83e0c33281eabb
https://doi.org/10.1002/2013jb010388

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Aseismic deep subduction of the Philippine Sea plate and slab window

Autor: Zhouchuan Huang, Ik Bum Kang, Norihito Umino, Jung-Ho Park, Dapeng Zhao, Akira Hasegawa

Publikováno v: Journal of Asian Earth Sciences. 75:82-94

We have made great efforts to collect and combine a large number of high-quality data from local earthquakes and teleseismic events recorded by the dense seismic networks in both South Korea and West Japan. This is the first time that a large number

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbb5408fd2b98d3311c722cc5897e6bd
https://doi.org/10.1016/j.jseaes.2013.07.002

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