Moment spectra in a simple model of an earthquake fault | Zendy

Shaw Bruce E. | Zendy

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Moment spectra in a simple model of an earthquake fault

Author(s) -

Shaw Bruce E.

Publication year - 1993

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/92gl02437

Subject(s) - spectral line , seismology , simple (philosophy) , moment (physics) , geology , fault (geology) , seismic moment , homogeneous , instability , statistical physics , physics , mechanics , classical mechanics , philosophy , epistemology , astronomy

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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