Acoustic-Friction Networks and the Evolution of Precursory Rupture Fronts in Laboratory Earthquakes

Abstract

We show that the mesoscopic and transport characteristics of networks follow the same trends for the same type of the shear ruptures in terms of rupture speed while also comparing the results of three different friction experiments.The classified fronts obtained from a saw cut Westerly granite fault regarding friction network parameters show a clear separation into two groups indicating two different rupture fronts. With respect to the scaling of local ruptures durations with the networks parameters we show that the gap is related to the possibility of a separation between slow and regular fronts.

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Cited by in corpus (6)

• Faulting of rocks at three-dimensional stress field by micro-anticracks
• Functional-Friction Networks: New Insights on the Laboratory Earthquakes
• Observation of the Kibble-Zurek Mechanism in Microscopic Acoustic Cracking Noises
• Solitonic State in Microscopic Dynamic Failures
• Dynamic Evolution of Microscopic Wet Cracking Noises
• Microscopic Observation of the Light-Cone-Like Thermal Correlations in Cracking Excitations