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Reply to "Comment on 'Models of Stochastic, Spatially Varying Stress in the Crust Compatible with Focal-Mechanism Data, and How Stress Inversions Can Be Biased toward the Stress Rate' by Deborah Elaine Smith and Thomas H. Heaton" by Jeanne L. Hardebeck

Smith, Deborah Elaine and Heaton, Thomas H. (2015) Reply to "Comment on 'Models of Stochastic, Spatially Varying Stress in the Crust Compatible with Focal-Mechanism Data, and How Stress Inversions Can Be Biased toward the Stress Rate' by Deborah Elaine Smith and Thomas H. Heaton" by Jeanne L. Hardebeck. Bulletin of the Seismological Society of America, 105 (1). pp. 452-458. ISSN 0037-1106. https://resolver.caltech.edu/CaltechAUTHORS:20200505-095259741

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Abstract

In her comment (Hardebeck, 2015) on our stress heterogeneity article (Smith and Heaton, 2011), Hardebeck suggests a different focal‐mechanism error distribution than what we used in our 2011 article and suggests that this new error distribution will reduce our estimates of stress heterogeneity. In response to this, we have rerun our calculations three ways: (1) with the original mechanism error distribution from Smith and Heaton (2011), (2) with a mechanism error distribution similar to the one presented by Hardebeck (2015), and (3) with a mechanism error distribution derived from repeating earthquake statistics. We find the two new mechanism error models, relative to the original mechanism error distribution, reduce the heterogeneity ratio (HR) estimates by approximately 35%–40% (using Hardebeck’s suggested distribution) and by approximately 8%–10% (using the repeating earthquake based error distribution).


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1785/0120140132DOIArticle - Reply to Comment
https://doi.org/10.1785/0120130127DOIComment
https://doi.org/10.1785/0120100058DOIOriginal Article
ORCID:
AuthorORCID
Heaton, Thomas H.0000-0003-3363-2197
Additional Information:© 2015 Seismological Society of America. Manuscript received 14 May 2014; Published Online 13 January 2015. We thank Jeanne Hardebeck and Peter Shearer for sharing the Northridge aftershock repeating earthquake cluster catalog with us. We also thank Jeanne Hardebeck and the Southern California Earthquake Center (SCEC) for the focal-mechanism catalog of southern California events.
Group:Seismological Laboratory
Issue or Number:1
Record Number:CaltechAUTHORS:20200505-095259741
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200505-095259741
Official Citation:Deborah Elaine Smith, Thomas H. Heaton; Reply to “Comment on ‘Models of Stochastic, Spatially Varying Stress in the Crust Compatible with Focal‐Mechanism Data, and How Stress Inversions Can Be Biased toward the Stress Rate’ by Deborah Elaine Smith and Thomas H. Heaton” by Jeanne L. Hardebeck. Bulletin of the Seismological Society of America ; 105 (1): 452–458. doi: https://doi.org/10.1785/0120140132
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:103000
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:05 May 2020 17:02
Last Modified:05 May 2020 17:02

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