globalchange  > 气候减缓与适应
DOI: 10.1002/grl.50212
论文题名:
Aseismic slip and fault interaction from repeating earthquakes in the Loma Prieta aftershock zone
作者: Turner R.C.; Nadeau R.M.; Bürgmann R.
刊名: Geophysical Research Letters
ISSN: 0094-9214
EISSN: 1944-8945
出版年: 2013
卷: 40, 期:6
起始页码: 1079
结束页码: 1083
语种: 英语
英文关键词: aseismic slip ; earthquake ; Loma Prieta ; repeating earthquake
Scopus关键词: Aftershock zones ; aseismic slip ; Coulomb stress ; Fault interactions ; Loma Prieta ; Loma Prieta earthquakes ; Repeating earthquake ; San Andreas fault ; Creep ; Earthquakes ; Strike-slip faults ; Structural geology ; Tectonics ; Fault slips ; earthquake epicenter ; earthquake rupture ; fault zone ; numerical model ; California ; Loma Prieta ; San Andreas ; United States
英文摘要: Along creeping sections of the San Andreas and other faults, small asperities in the fault zone load and fail in characteristic repeating earthquake sequences which can be used as subsurface creepmeters. Here, we use these virtual creepmeters to examine and compare deep slip rates on both the northwestern end of the creeping section of the San Andreas Fault near San Juan Bautista and on the nearby subparallel Sargent Fault. While creep on the San Andreas increased dramatically due to static stress changes in response to the 1989 Loma Prieta earthquake, the Sargent showed very little immediate response, consistent with Loma Prieta finite slip models that put this section of the fault in a region of less than 3 bar Coulomb stress increase. After about 10 years, the San Andreas creep rate fell back close to the interseismic rate, and variations in creep became coherent in time with the Sargent, indicating a mutual driving force in the system. Key Points A portion of the Sargent Fault is creeping at depth No repeating earthquakes among the aftershocks of the Loma Prieta rupture zone The San Andreas and nearby Sargent Faults have correlated slip histories. ©2013 American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84876919388&doi=10.1002%2fgrl.50212&partnerID=40&md5=82273aeec21a1546dd666156edfcad4f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6478
Appears in Collections:气候减缓与适应

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作者单位: Berkeley Seismological Laboratory, University of California, Berkeley, CA, United States

Recommended Citation:
Turner R.C.,Nadeau R.M.,Bürgmann R.. Aseismic slip and fault interaction from repeating earthquakes in the Loma Prieta aftershock zone[J]. Geophysical Research Letters,2013-01-01,40(6).
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