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dc.contributor.authorLohman, Rowena B.  Concept link
dc.contributor.authorMcGuire, Jeffrey J.  Concept link
dc.date.accessioned2010-06-09T16:25:40Z
dc.date.available2010-06-09T16:25:40Z
dc.date.issued2007-04-10
dc.identifier.citationJournal of Geophysical Research 112 (2007): B04405en_US
dc.identifier.urihttps://hdl.handle.net/1912/3621
dc.descriptionAuthor Posting. © American Geophysical Union, 2007. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 112 (2007): B04405, doi:10.1029/2006JB004596.en_US
dc.description.abstractIn late August 2005, a swarm of more than a thousand earthquakes between magnitudes 1 and 5.1 occurred at the Obsidian Buttes, near the southern San Andreas Fault. This swarm provides the best opportunity to date to assess the mechanisms driving seismic swarms along transform plate boundaries. The recorded seismicity can only explain 20% of the geodetically observed deformation, implying that shallow, aseismic fault slip was the primary process driving the Obsidian Buttes swarm. Models of earthquake triggering by aseismic creep can explain both the time history of seismic activity associated with the 2005 swarm and the ∼1 km/h migration velocity exhibited by this and several other Salton Trough earthquake swarms. A combination of earthquake triggering models and denser geodetic data should enable significant improvements in time-dependent forecasts of seismic hazard in the key days to hours before significant earthquakes in the Salton Trough.en_US
dc.description.sponsorshipThis material is based upon work supported by the National Science Foundation under grant 0548785. R.B.L. was supported by a WHOI postdoctoral research fellowship.en_US
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_USen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.urihttps://doi.org/10.1029/2006JB004596
dc.subjectAseismic slipen_US
dc.subjectSalton Troughen_US
dc.subjectSeismic swarmsen_US
dc.titleEarthquake swarms driven by aseismic creep in the Salton Trough, Californiaen_US
dc.typeArticleen_US
dc.identifier.doi10.1029/2006JB004596


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