== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:44:23 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.2 event occurred 7 km (4 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | |
1.2 - duration magnitude (Md) |
| Time | |
Saturday, May 4, 2013 at 1:44:23 AM (PDT) Saturday, May 4, 2013 at 8:44:23 (UTC) |
| Distance from | |
The Geysers, CA - 7 km (4 miles) SE (127 degrees) Healdsburg, CA - 20 km (12 miles) NE (34 degrees) Lower Lake, CA - 20 km (13 miles) SW (214 degrees) Santa Rosa, CA - 36 km (22 miles) N (356 degrees) |
| Coordinates | |
38 deg. 45.6 min. N (38.760N), 122 deg. 44.4 min. W (122.740W) |
| Depth | |
2.2 km (1.4 miles) |
| Quality | |
Good |
| Location Quality Parameters | |
Nst= 28, Nph= 28, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.3 km, Gp=93.6 degrees |
| Event ID# | |
nc71071484 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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