== 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 4:36:17 PM (PDT) on Friday, October 4, 2013.
The magnitude 1.9 event occurred 3 km (2 miles) NE (40 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | |
1.9 - duration magnitude (Md) |
| Time | |
Friday, October 4, 2013 at 4:36:17 PM (PDT) Friday, October 4, 2013 at 23:36:17 (UTC) |
| Distance from | |
The Geysers, CA - 3 km (2 miles) NE (40 degrees) Kelseyville, CA - 18 km (11 miles) SSE (165 degrees) Lower Lake, CA - 18 km (11 miles) SW (236 degrees) Santa Rosa, CA - 43 km (26 miles) N (352 degrees) |
| Coordinates | |
38 deg. 49.1 min. N (38.819N), 122 deg. 47.1 min. W (122.785W) |
| Depth | |
1.5 km (0.9 miles) |
| Quality | |
Excellent |
| Location Quality Parameters | |
Nst= 26, Nph= 26, Dmin=2 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.3 km, Gp=50.4 degrees |
| Event ID# | |
nc72081136 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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