globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL060003
论文题名:
First geodetic observations of a deep earthquake: The 2013 Sea of Okhotsk Mw 8.3, 611 km-deep, event
作者: Steblov G.M.; Ekström G.; Kogan M.G.; Freymueller J.T.; Titkov N.N.; Vasilenko N.F.; Nettles M.; Gabsatarov Y.V.; Prytkov A.S.; Frolov D.I.; Kondratyev M.N.
刊名: Geophysical Research Letters
ISSN: 0094-10591
EISSN: 1944-10322
出版年: 2014
卷: 41, 期:11
起始页码: 3826
结束页码: 3832
语种: 英语
英文关键词: deep ; earthquake ; offset ; Okhotsk ; static ; subduction
Scopus关键词: Earthquakes ; Geodetic satellites ; deep ; offset ; Okhotsk ; static ; subduction ; Faulting ; deformation ; earthquake event ; geodesy ; GPS ; slip rate ; Khabarovsk [Russian Federation] ; Okhotsk ; Russian Federation
英文摘要: We analyze the first ever GPS observations of static surface deformation from a deep earthquake: the 24 May 2013 Mw 8.3 Sea of Okhotsk, 611 km-deep, event. Previous studies of deep earthquake sources relied on seismology and might have missed evidence for slow slip in the rupture. We observed coseismic static offsets on a GPS network of 20 stations over the Sea of Okhotsk region. The offsets were inverted for the best fitting double-couple source model assuming a layered spherical Earth. The seismic moment calculated from static offsets is only 7% larger than the seismological estimate from Global Centroid Moment Tensor (GCMT). Thus, GPS observations confirm shear faulting as the source model, with no significant slow-slip component. The relative locations of the U.S. Geological Survey hypocenter, GCMT centroid, and the fault from GPS indicate slip extending for tens of kilometers across most of the slab thickness. © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84901889022&doi=10.1002%2f2014GL060003&partnerID=40&md5=f5bcd0bb6def169b9ab5e256fb839247
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7855
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作者单位: Schmidt Institute of Physics of the Earth, RAS, Moscow, Russian Federation

Recommended Citation:
Steblov G.M.,Ekström G.,Kogan M.G.,et al. First geodetic observations of a deep earthquake: The 2013 Sea of Okhotsk Mw 8.3, 611 km-deep, event[J]. Geophysical Research Letters,2014-01-01,41(11).
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