Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/11927
Authors: Munafò, Irene* 
Wooddell, Kathie* 
Yoo, Seung Hoo* 
Dreger, Douglas Scott* 
Mayeda, Kevin* 
Alexanian, Arshak* 
Chiang, Andrea* 
Nadeau, Robert* 
Malagnini, Luca* 
Title: Comprehensive assessments of Parkfield earthquake source estimates: a look into model variability
Issue Date: Dec-2012
URI: http://hdl.handle.net/2122/11927
Keywords: source parameters
Abstract: We investigate source parameters and scaling of repeating and non-repeating earthquakes occurring on the Parkfield segment of the San Andreas Fault (SAF) taking into account model, or epistemic variability due to method, We will compute source corner frequency and stress drop using multi-taper spectral analysis of P and S waves, inversion for source, path and site, and coda envelope methods using data from the borehole High Resolution Seismic Network (HRSN). The result of this analysis will be compared to estimates obtained from the Nadeau and Johnson (1998) asperity loading model, as well as finite-source models of earthquakes form M 1.8 to 6.0 (Dreger et al., 2007; Uchide and Ide, 2010). One objective is to compare source parameters derived from each method with estimated uncertainties usign identical data set to evaluate the variability and resolution of source parameters. The result of such analysis give us insights into the underlying mechanics of faulting and the earthquake process. This poster presents results using the multiple-taper coda method.
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