Modeling fault-zone guided waves of microearthquakes in a geothermal reservoir

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Journal Article: Modeling fault-zone guided waves of microearthquakes in a geothermal reservoir

Abstract
Fault-zone guided waves have been identified in microearthquake seismograms recorded at the Coso Geothermal Field, California. The observed guided waves have particle motions and propagation group velocities similar to Rayleigh wave modes. A numerical method has been employed to simulate the guided-wave propagation through the fault zone. By comparing observed and synthetic waveforms the fault-zone width and its P- and S-wave velocity structure have been estimated. It is suggested here that the identification and modeling of such guided waves is an effective tool to locate fracture-induced, low-velocity fault-zone structures in geothermal fields.

Authors 
Lou, M.; Rial, J.A. ; Malin and P.E.  








Published Journal 
Geophysics, 7/1/1997





DOI 
Not Provided
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Citation

Lou, M.; Rial, J.A. ; Malin, P.E.  . 7/1/1997. Modeling fault-zone guided waves of microearthquakes in a geothermal reservoir. Geophysics. (!) .


Related Geothermal Exploration Activities
Activities (1)


Areas (1)
  1. Coso Geothermal Area
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