Articles | Volume 12, issue 5
Research article
28 May 2021
Research article |  | 28 May 2021

Conditional probability of distributed surface rupturing during normal-faulting earthquakes

Maria Francesca Ferrario and Franz Livio

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Cited articles

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Short summary
Moderate to strong earthquakes commonly produce surface faulting, either along the primary fault or as distributed rupture on nearby faults. Hazard assessment for distributed normal faulting is based on empirical relations derived almost 15 years ago. In this study, we derive updated empirical regressions of the probability of distributed faulting as a function of distance from the primary fault, and we propose a conservative scenario to consider the full spectrum of potential rupture.