Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Osamu Kamigaichi"'
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Akademický článek
Efficiency of earthquake forecast models based on earth tidal correlation with background seismicity along the Tonga–Kermadec trench
Autor: Fuyuki Hirose, Kenji Maeda, Osamu Kamigaichi
Publikováno v: Earth, Planets and Space, Vol 74, Iss 1, Pp 1-11 (2022)
Abstract The correlation between Earth’s tides and background seismicity has been suggested to become stronger before great earthquakes and weaker after. However, previous studies have only retrospectively analyzed this correlation after individual
Externí odkaz: https://doaj.org/article/8d34011e73a940579e55c563954e9ef8
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2
Green's function at depth of borehole observation required for precise estimation of the effect of ocean tidal loading near coasts
Autor: Osamu Kamigaichi, Norio Matsumoto, Fuyuki Hirose
Publikováno v: Geophysical Journal International. 227:275-286
SUMMARY We calculated Green's functions of displacements and strains caused by a surface load in surface and subsurface observations. Green's functions of displacements and strains at depth became different from those at the surface for a range of an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62f2040b655670fd220f50c416b24f80
https://doi.org/10.1093/gji/ggab216
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3
Tidal Calibration of Multicomponent Borehole Strainmeters and Validation of the Method Using Surface Waves
Autor: Norio Matsumoto, Osamu Kamigaichi
We conducted in-situ calibration of fifteen multicomponent borehole strainmeters deployed in and around the expected focal zones of the Nankai megathrust earthquake. The in-situ calibration method compares tidal strain observed by the borehole strain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::557eb440385d503c924a08d235abbf78
https://doi.org/10.21203/rs.3.rs-602970/v1
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5
Magma chamber recharging and tectonic influence on reservoirs: The 1986 eruption of Izu-Oshima
Autor: Selwyn Sacks, Osamu Kamigaichi, Alan T. Linde, Kenji Kanjo, Masaaki Churei
Publikováno v: Journal of Volcanology and Geothermal Research. 311:72-78
Although analytical expressions for deformation due to simple reservoirs and planar dikes have been in use for decades, seldom are there sufficient data to provide well-constrained detailed models of volcanic activity. Deformation due to the eruption
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14b7fce5ff28a94bcf333e9891705929
https://doi.org/10.1016/j.jvolgeores.2016.01.001
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7
JMA EARTHQUAKE EARLY WARNING
Autor: Osamu Kamigaichi
Publikováno v: Journal of JAEE. 4:134-137
JMA is now developing Earthquake Early Warning system. In this issue, the methods used for prompt estimation of hypocenter locations, magnitude and seismic intensities, the warning dissemination criteria, and future plans are briefly introduced.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b23cef7ac273136fcf6d55748d421ce5
https://doi.org/10.5610/jaee.4.3_134
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8
Preseismic changes in groundwater level and volumetric strain associated with earthquake swarms off the east coast of the Izu Peninsula, Japan
Autor: Osamu Kamigaichi, Naoji Koizumi, Makoto Takahashi, Norio Matsumoto, Eikichi Tsukuda, Tsutomu Sato
Publikováno v: Geophysical Research Letters. 26:3509-3512
We have observed the groundwater level at Omuroyama-kita (OMR) well on the Izu Peninsula, Japan since October 1994. During the observation period, there were four earthquake swarms. We detected one or two preseismic groundwater level changes together
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6bbc7e5f544b253f209136c0ea133d3f
https://doi.org/10.1029/1999gl005381
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Initial results from WING, the continuous GPS network in the western Pacific area
Autor: Shigeru Nakao, John Beavan, Minoru Kasahara, Mitsuyuki Hoshiba, Osamu Kamigaichi, Teruyuki Kato, Renato B. Feir, M. D. Gerasimenko, Pil Ho Park, Masami Okada, Kazuro Hirahara, Yoshiko Kotake
Publikováno v: Geophysical Research Letters. 25:369-372
To investigate tectonic deformation in the western Pacific, a continuous GPS tracking network has been established, and named the Western Pacific Integrated Network of GPS (WING). Between 1995 and March 1997 we establised ten new sites. Data for the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::168add52ac20f2e3ab0feeb263e7e1d5
https://doi.org/10.1029/97gl03765
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10
Tsunami Forecasting and Warning
Autor: Osamu Kamigaichi
Publikováno v: Complexity in Tsunamis, Volcanoes, and their Hazards ISBN: 9781071617045
Encyclopedia of Complexity and Systems Science ISBN: 9783642277375
Encyclopedia of Complexity and Systems Science
Centroid Moment Tensor solution One of the representation of seismic source process. It is represented by the moment tensor, which is a combination of six independent equivalent force couples, and is a weighted average of the source process in time a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64314d58508eac75f67d96d90844e745
https://doi.org/10.1007/978-0-387-30440-3_568
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