Abstract
Aseismic sliding in the earth plays an important part in time-dependent stress concentration and relaxation, which significantly affect the occurrence of earthquakes. I review 1) observations of fault creep, slow and silent earthquakes, and pre- and post-seismic sliding in the earth, 2) experimental studies on stable sliding, episodic sliding, and preseismic sliding on artificial faults in rocks, and 3) constitutive laws of rock friction derived from laboratory studies and its application to the modeling of aseismic sliding in the earth. It is concluded that the dependence of rock friction on slip and/or slip-rate is essentially important for the mechanism of aseismic sliding. Detection of the occurrence of aseismic sliding is effective in understanding the earthquake generation process.
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Schedule a callMore From: Zisin (Journal of the Seismological Society of Japan. 2nd ser.)
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