== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #2: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A minor earthquake occurred at 5:29:33 PM (PDT) on Monday, July 6, 2009.
The magnitude 3.8 event occurred 4 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 3.8 - regional moment magnitude (Mw) |
|---|---|
| Time | Monday, July 6, 2009 at 5:29:33 PM (PDT) Tuesday, July 7, 2009 at 0:29:33 (UTC) |
| Distance from | The Geysers, CA - 4 km (2 miles) N (359 degrees) Cobb, CA - 7 km (5 miles) W (267 degrees) Anderson Springs, CA - 12 km (7 miles) WNW (302 degrees) Santa Rosa, CA - 44 km (27 miles) NNW (348 degrees) Sacramento, CA - 120 km (75 miles) WNW (285 degrees) |
| Coordinates | 38 deg. 49.9 min. N (38.832N), 122 deg. 48.4 min. W (122.807W) |
| Depth | 2.4 km (1.5 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst= 57, Nph= 57, Dmin=2 km, Rmss=0.08 sec, Erho=0.1 km, Erzz=0.3 km, Gp=39.6 degrees |
| Event ID# | nc71244696 |
| Additional Information | 2-degree map Google Earth KML (Requires Google Earth.) Did you feel it? NCSN First Motion Mechanism 1 Waveforms Waveforms for ShakeMap NCSS Moment Tensor Solution |
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