DOI: 10.1002/2014GL061959
论文题名: Did stresses from the Cerro Prieto Geothermal Field influence the El Mayor-Cucapah rupture sequence?
作者: Trugman D.T. ; Borsa A.A. ; Sandwell D.T.
刊名: Geophysical Research Letters
ISSN: 0094-9461
EISSN: 1944-9192
出版年: 2014
卷: 41, 期: 24 起始页码: 8767
结束页码: 8774
语种: 英语
英文关键词: anthropogenic stresses
; fluid extraction
; geothermal energy
; induced seismicity
; stress triggering
; surface subsidence
Scopus关键词: Earthquakes
; Extraction
; Geothermal fields
; Geothermal power plants
; Seismology
; Stresses
; Synthetic aperture radar
; Anthropogenic stress
; Fluid extraction
; Induced seismicity
; Stress triggering
; Surface subsidence
; Geothermal energy
; anthropogenic effect
; fault
; geothermal energy
; hazard assessment
; induced seismicity
; perturbation
; power generation
; power plant
; radar interferometry
; synthetic aperture radar
; Baja California [(STT) Mexico]
; Cerro Prieto
; Mexico [North America]
英文摘要: The Mw 7.2 El Mayor-Cucapah (EMC) earthquake ruptured a complex fault system in northern Baja California that was previously considered inactive. The Cerro Prieto Geothermal Field (CPGF), site of the world's second largest geothermal power plant, is located approximately 15 km to the northeast of the EMC hypocenter. We investigate whether anthropogenic fluid extraction at the CPGF caused a significant perturbation to the stress field in the EMC rupture zone. We use Advanced Land Observing Satellite interferometric synthetic aperture radar data to develop a laterally heterogeneous model of fluid extraction at the CPGF and estimate that this extraction generates positive Coulomb stressing rates of order 15 kPa/yr near the EMC hypocenter, a value which exceeds the local tectonic stressing rate. Although we cannot definitively conclude that production at the CPGF triggered the EMC earthquake, its influence on the local stress field is substantial and should not be neglected in local seismic hazard assessments. Key Points Geothermal energy production causes surface subsidence and crustal stressingProduction at CPGF generates positive Coulomb stresses in EMC rupture zoneAnthropogenic stresses exceed the tectonic loading rate at EMC hypocenter ©2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84921878954&doi=10.1002%2f2014GL061959&partnerID=40&md5=535d1c440cdef8244a2b98aefe08c201
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6725
Appears in Collections: 气候减缓与适应
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作者单位: Institute for Geophysics and Planetary Physics, Scripps Institution of Oceanography, San Diego, CA, United States
Recommended Citation:
Trugman D.T.,Borsa A.A.,Sandwell D.T.. Did stresses from the Cerro Prieto Geothermal Field influence the El Mayor-Cucapah rupture sequence?[J]. Geophysical Research Letters,2014-01-01,41(24).