Baker, Teresa and Granat, Robert and Clayton, Robert W. (2005) Real-time Earthquake Location Using Kirchhoff Reconstruction. Bulletin of the Seismological Society of America, 95 (2). pp. 699-707. ISSN 0037-1106 http://resolver.caltech.edu/CaltechAUTHORS:20121001-103708838
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Real-time location of earthquakes can be achieved by using direct imaging of the recorded wave field based on a Kirchhoff reconstruction method similar to that used in the migration of seismic reflection data. The standard method of event location requires the wave arrival at each sensor to be picked and associated with an event. By using direct imaging, the event is identified once in the imaged wave field. The computation is independent of the level of seismic activity and can be carried out on a typical desktop computer. The procedure has been successfully demonstrated in two and three dimensions using data from the Southern California Seismic Network (Trinet). At higher resolutions, the reconstruction method can identify finite source effects. Further work considers extending the method by implementing full elastic theory and solving for moment tensors at all locations in the mesh.
|Additional Information:||© 2005 by the Seismological Society of America. Manuscript received 4 October 2004. This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||01 Oct 2012 18:58|
|Last Modified:||02 Oct 2012 17:10|
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