scholarly article by Roger D. Borcherdt published 1994 in Geological Survey Professional Paper

scholarly article by Charles C. Thiel et al published August 2009 in Earthquake Spectra

scholarly article by Roger D. Borcherdt published February 2000 in Earthquake Spectra

scholarly article by James F. Gibbs published in January 1974

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scientific article published in 1973

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scholarly article

scientific article published in 2012

scholarly article by Roger D. Borcherdt published 13 January 2014 in Earthquake Engineering and Structural Dynamics

scholarly article by James F. Gibbs et al published 1977 in Open-File Report

scholarly article by James F. Gibbs et al published 1976 in Open-File Report

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scholarly article

scholarly article

scholarly article by Roger D. Borcherdt published 2015 in Open-File Report

scholarly article by Roger D. Borcherdt & James F. Gibbs published 1975 in Open-File Report

scholarly article by J. Langbein et al published 1 January 2005 in Seismological Research Letters

scholarly article by Carl M. Wentworth et al published 1995 in Open-File Report

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article

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scholarly article by Roger D. Borcherdt published 1989 in Open-File Report

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scientific article published in 1967

scholarly article by James F. Gibbs et al published 1994 in Open-File Report

scientific article published in 2002

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scholarly article by Roger D. Borcherdt published 1975 in Geological Survey Professional Paper

scholarly article by Roger D. Borcherdt published 1983 in Open-File Report

scholarly article by Thomas L. Holzer et al published 2003 in U.S. Geological Survey Circular