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Thomas C. Hanks and William H. Bakun
M-logA observations for recent large earthquakes
Bulletin of the Seismological Society of America (February 2008), 98(1):490-494
Abstract: Index Terms/Descriptors: GeoRef, Copyright 2008, American Geological Institute. Abstract, Copyright, Seismological Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Using a magnitude (M)-log area (A) dataset augmented with seven large (M>7.0) earthquakes occurring since Wells and Coppersmith (1994), this short note assesses the current validity of the bilinear M-logA relations for continental, strike-slip earthquakes proposed by Hanks and Bakun (2002), in particular the L-model scaling at M>7. The relations determined by Hanks and Bakun (2002) are only insignificantly altered, leaving these bilinear M-logA relations as valid now as when first proposed.
algorithms; earthquakes; geologic hazards; great earthquakes; magnitude; observations; probability; risk assessment; seismic risk; seismicity; statistical analysis