Phys. Rev. Lett. 94, 058501 (2005) [4 pages]Simulation Study of Spatiotemporal Correlations of Earthquakes as a Stick-Slip Frictional InstabilityReceived 18 August 2004; published 7 February 2005 Spatiotemporal correlations of earthquakes are studied numerically on the basis of the one-dimensional spring-block (Burridge-Knopoff) model. As large events approach, the frequency of smaller events gradually increases, while, just before the mainshock, it is dramatically suppressed in a close vicinity of the epicenter of the upcoming mainshock, a phenomenon closely resembling the “Mogi doughnut.” © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.94.058501
DOI:
10.1103/PhysRevLett.94.058501
PACS:
91.30.Bi, 05.70.Ln, 91.30.Dk, 91.30.Px
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