HR: 0800h
AN: NG41B-0518    [Abstracts]
TI: Pattern Informatics Analysis of the Pingtung (Taiwan) offshore doublet earthquakes with magnitude of 7 on December 26, 2006
AU: * Wu, Y
EM: 93622009@cc.ncu.edu.tw
AF: Natl Cental Univ, Inst Geophys, No. 300, Jhongda Rd., Jhongli, 320, Taiwan
AU: Chen, C
EM: chencc@ncu.edu.tw
AF: Natl Cental Univ, Inst Geophys, No. 300, Jhongda Rd., Jhongli, 320, Taiwan
AB: The retrospective pattern informatics (PI) analysis of the Pingtung (Taiwan) offshore doublet earthquakes with magnitude of 7 has been made in this paper. Using the PI method, the epicenters of the Pingtung doublet earthquakes were found to exhibit signatures of anomalous activity associated with the precursory seismic activation and quiescence. In addition, the self-organizing spinodal (SOS) model of earthquakes can explain some observations on the temporal evolution in the frequency-magnitude distributions of seismicity preceding the Pingtung doublet earthquakes. Our study thus suggests that, by inspecting temporal variations in the frequency-magnitude distributions of seismicity and the hotspot locations with intense seismicity changes in the PI map, it is possible to shed light on the relevant preparation processes of the forthcoming catastrophic earthquake.
DE: 3238 Prediction (3245, 4263)
DE: 3245 Probabilistic forecasting (3238)
DE: 7223 Earthquake interaction, forecasting, and prediction (1217, 1242)
DE: 7230 Seismicity and tectonics (1207, 1217, 1240, 1242)
SC: Nonlinear Geophysics [NG]
MN: 2007 Fall Meeting