Poster #147, Fault and Rupture Mechanics (FARM)
Propagation of Slow Slip Events on a Rough Fault
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Poster Presentation
2021 SCEC Annual Meeting, Poster #147, SCEC Contribution #11430 VIEW PDF
he minimum wavelength is in an appropriate range. In our models, pulse-like ruptures are usually clusters of small subevents and propagate slowly, while crack-like ones are single extensive events and propagate much faster. On a rough fault with a fractal elevation profile, the transition from pulse to crack can also lead to faster back propagation of SSEs. By treating asperities as spring-sliders rupturing in sequence, we explain the difference in forward and backward propagation velocity. Our study provides a possible mechanism for the complex evolution of SSEs from geophysical observations.
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