== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 4:21:33 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 1.8 event occurred 10 km (6 miles) SSE of Portola, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | |
1.8 - duration magnitude (Md) |
| Time | |
Tuesday, October 1, 2013 at 4:21:33 AM (PDT) Tuesday, October 1, 2013 at 11:21:33 (UTC) |
| Distance from | |
Portola, CA - 10 km (6 miles) SSE (165 degrees) Loyalton, CA - 18 km (11 miles) WNW (286 degrees) Truckee, CA - 49 km (30 miles) NNW (333 degrees) Reno, NV - 57 km (36 miles) WNW (292 degrees) |
| Coordinates | |
39 deg. 43.3 min. N (39.721N), 120 deg. 26.2 min. W (120.437W) |
| Depth | |
7.1 km (4.4 miles) |
| Quality | |
Excellent |
| Location Quality Parameters | |
Nst= 12, Nph= 12, Dmin=5 km, Rmss=0.1 sec, Erho=0.4 km, Erzz=1.5 km, Gp=82.8 degrees |
| Event ID# | |
nc72075965 |
| Additional Information | |
map || waveforms |
|
Waveforms |
For more information, see http://quake.wr.usgs.gov/
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