Teleseismic-Seismic Monitoring At Coso Geothermal Area (1996-2004)

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Exploration Activity: Teleseismic-Seismic Monitoring At Coso Geothermal Area (1996-2004)

Exploration Activity Details
Location Coso Geothermal Area
Exploration Technique Teleseismic-Seismic Monitoring
Activity Date 1996 - 2004

Usefulness useful
DOE-funding Unknown

 
Exploration Basis
To look at time dependent seismic tomography
 
Notes
Local-earthquake tomographic images were calculated for each of the years 1996 - 2004 using arrival times from the U.S. Navy’s permanent seismometer network. The results show irregular strengthening with time of the wave-speed ratio V p/V s at shallow depths. The period from 1996 through 2006 was studied, and the results to date using the traditional method show, for a 2-km horizontal grid spacing, an irregular strengthening with time of a negative V p/V s anomaly in the upper ~ 2 km of the reservoir.

 
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