Title:

THREE-DIMENSIONAL COMPRESSIONAL- AND SHEAR-WAVE SEISMIC VELOCITY MODELS FOR THE SOUTHEAST GEYSERS GEOTHERMAL FIELD, CALIFORNIA

Authors:

Ann Kirkpatrick, John E. Peterson Jr., Ernest L. Majer

Geo Location:

The Geysers, California

Conference:

Stanford Geothermal Workshop

Year:

1997

Language:

English

File Size:

364KB

View File:

Abstract:

Three-dimensional compressional- and shear-wave velocity (ìVpî and ìVs,î respectively) structure is obtained for the SE Geysers geothermal area from
microearthquake arrival-time data. The results indicate a region of high Vp and high Vs in the northwest portion of the area studied, and a low value
of VpNs at depths corresponding to the upper part of the steam reservoir. The Vp and Vs anomalies are found to be well-modeled by the predicted seismic signature of the felsite intrusion.


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