SCEC Award Number 04155 View PDF
Proposal Category Collaborative Proposal (Integration and Theory)
Proposal Title Dynamics of rupture on inhomogeneous faults
Investigator(s)
Name Organization
Steven Day San Diego State University Ruth Harris United States Geological Survey
Other Participants
SCEC Priorities SCEC Groups FARM, Source Physics
Report Due Date N/A Date Report Submitted N/A
Project Abstract
 We investigate the physics of rupture on faults with geometrical and material imhomogeneities. We use a #D finite difference method to simulate rupture in a heterogeneous continuum. The overall objectives are to develop earthquake models that can provide a physical basis for (1) estimates of the probability of multi-segment ruptures (cascading earthquakes) and (2) ground motion simulations. We are focusing on rupture complexity introduced by (1) near-fault damage zones, (2) fault stepovers, and (3) fault behavior during dynamic slip with extreme weakening.
Intellectual Merit N/A
Broader Impacts N/A
Exemplary Figure N/A
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