Average coseimic slip profiles

Kiran K.S. Thingbaijam, Russ J. Van Dissen, B. E. Shaw & Matt C. Gerstenberger
Despite the potential impact on earthquake rupture forecasts for seismic hazard analysis, derivation of applicable average coseismic slip profiles has received relatively limited attention. Here, we present improved insight using a set of rupture models of past earthquakes. We find that along-strike slip profiles are well approximated by a power-of-sine function with index = 1/2 (i.e. sinesqrt function), corroborating Biasi and Weldon (2006). However, elongated ruptures (with aspect ratios >5.0) have a flatter profile. Additionally,...

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  • 2022

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  • Columbia University
  • GNS Science