Slip complexity in a crustal-plane model of an earthquake fault

Publication Status is "Submitted" Or "In Press: 
LDEO Publication: 
Publication Type: 
Year of Publication: 
1996
Editor: 
Journal Title: 
Physical Review Letters
Journal Date: 
Jul 29
Place Published: 
Tertiary Title: 
Volume: 
77
Issue: 
5
Pages: 
972-975
Section / Start page: 
Publisher: 
ISBN Number: 
0031-9007
ISSN Number: 
Edition: 
Short Title: 
Accession Number: 
ISI:A1996UY95200046
LDEO Publication Number: 
Call Number: 
Abstract: 

We study numerically the behavior of a two-dimensional elastic plate (a crustal plane) that terminates along one of its edges at a fault boundary. Slip-weakening friction at the boundary, inertial dynamics in the bulk, and uniform slow loading via elastic coupling to a substrate combine to produce a complex, deterministically chaotic sequence of slipping events. We observe a power-law distribution of small events and an excess of large events. For the small events, the moments scale with rupture length in a manner that is consistent with seismological observations. For the large events, rupture occurs in the form of narrow propagating pulses.

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Uy952Times Cited:23Cited References Count:16

DOI: