Earthquake statistics in a Block Slider Model and a fully dynamic Fault Model

Weatherley, D and Abe, S (2004) Earthquake statistics in a Block Slider Model and a fully dynamic Fault Model. Nonlinear Processes In Geophysics, 11 5/6: 553-560. doi:10.5194/npg-11-553-2004


Author Weatherley, D
Abe, S
Title Earthquake statistics in a Block Slider Model and a fully dynamic Fault Model
Journal name Nonlinear Processes In Geophysics   Check publisher's open access policy
ISSN 1023-5809
1607-7946
Publication date 2004
Sub-type Article (original research)
DOI 10.5194/npg-11-553-2004
Open Access Status DOI
Volume 11
Issue 5/6
Start page 553
End page 560
Total pages 8
Place of publication Goettingen, Germany
Publisher Copernicus
Collection year 2004
Language eng
Subject C1
260206 Earthquake Seismology
780104 Earth sciences
Abstract We examine the event statistics obtained from two differing simplified models for earthquake faults. The first model is a reproduction of the Block-Slider model of Carlson et al. (1991), a model often employed in seismicity studies. The second model is an elastodynamic fault model based upon the Lattice Solid Model (LSM) of Mora and Place (1994). We performed simulations in which the fault length was varied in each model and generated synthetic catalogs of event sizes and times. From these catalogs, we constructed interval event size distributions and inter-event time distributions. The larger, localised events in the Block-Slider model displayed the same scaling behaviour as events in the LSM however the distribution of inter-event times was markedly different. The analysis of both event size and inter-event time statistics is an effective method for comparative studies of differing simplified models for earthquake faults.
Keyword Geochemistry and geophysics
Simulation
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 05:11:17 EST