M 3.7 - 11 km SE of Parkfield, California
- 2004-09-28 17:33:55 (UTC)
- 35.815°N 120.363°W
- 6.4 km depth
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IVmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 3.7 ml
- Depth
- 6.4 km
- Time
- 2004-09-28 17:33:55 UTC
Focal Mechanism Fault Plane Solution View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 1.0
Contributors NC
California Integrated Seismic Network: Northern California Seismic System (UC Berkeley, USGS Menlo Park, and Partners)