Moment spectra in a simple model of an earthquake fault

Details Moment spectra in a simple model of an earthquake fault Moment spectra in a simple model of an earthquake fault

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993georl..20..643s&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 20, no. 8, p. 643-646.

Mathematics

Logic

8

Crustal Fractures, Earth Movements, Earthquakes, Geological Faults, Dynamic Models, Fourier Transformation, Friction, Mathematical Models

Scientific paper

The behavior of a simple one-dimensional, homogeneous, deterministic model of an earthquake fault is examined on the timescale of the rupture process. The model generates a complex spatial and temporal distribution of events from a frictional instability. I measure the frequency spectra of the moment release rate for events of different sizes, and observe power laws for the spectra. A bend in the spectra of large events is also observed. The paper concludes with a discussion of how these results may be relevant to real earthquake faults.

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