M 2.3 - 3 km S of Geyserville, California
- 2011-05-02 19:09:57 (UTC)
- 38.678°N 122.903°W
- 3.8 km depth
Focal Mechanism
- The data below are the most preferred data available
- The data below have NOT been reviewed by a scientist.
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Earthquake Hazards Program
- In cooperation with:
- NC