== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:42:52 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.5 event occurred 7 km (4 miles) WSW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | |
0.5 - duration magnitude (Md) |
| Time | |
Tuesday, May 7, 2013 at 7:42:52 PM (PDT) Wednesday, May 8, 2013 at 2:42:52 (UTC) |
| Distance from | |
The Geysers, CA - 7 km (4 miles) WSW (252 degrees) Cloverdale, CA - 12 km (8 miles) ESE (104 degrees) Healdsburg, CA - 19 km (12 miles) N (357 degrees) Santa Rosa, CA - 40 km (25 miles) NNW (339 degrees) |
| Coordinates | |
38 deg. 46.8 min. N (38.779N), 122 deg. 52.9 min. W (122.881W) |
| Depth | |
3.9 km (2.4 miles) |
| Quality | |
Fair |
| Location Quality Parameters | |
Nst= 15, Nph= 15, Dmin=6 km, Rmss=0.04 sec, Erho=1.1 km, Erzz=0.9 km, Gp=244.8 degrees |
| Event ID# | |
nc71987616 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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