== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #1: 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 micro earthquake occurred at 12:46:36 PM (PDT) on Wednesday, May 7, 2008.
The magnitude 0.4 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | |
0.4 - duration magnitude (Md) |
| Time | |
Wednesday, May 7, 2008 at 12:46:36 PM (PDT) Wednesday, May 7, 2008 at 19:46:36 (UTC) |
| Distance from | |
The Geysers, CA - 4 km (2 miles) ESE (103 degrees) Lower Lake, CA - 19 km (12 miles) SW (225 degrees) Cloverdale, CA - 22 km (14 miles) E (94 degrees) Santa Rosa, CA - 39 km (24 miles) N (354 degrees) |
| Coordinates | |
38 deg. 47.4 min. N (38.790N), 122 deg. 45.8 min. W (122.763W) |
| Depth | |
2.2 km (1.4 miles) |
| Quality | |
Excellent |
| Location Quality Parameters | |
Nst= 11, Nph= 11, Dmin=1 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=0.5 km, Gp=90 degrees |
| Event ID# | |
nc51202305 |
| Additional Information | |
map || waveforms |
| Waveforms |
For more information, see http://quake.wr.usgs.gov/
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