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Southern California Earthquake Data Center

Recent Earthquakes

Recent Earthquakes in California and Nevada

== 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 10:33:44 AM (PDT) on Friday, October 4, 2013.
The magnitude 1.0 event occurred 4 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 1.0 - duration magnitude (Md)
Time Friday, October 4, 2013 at 10:33:44 AM (PDT)
Friday, October 4, 2013 at 17:33:44 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) NNW (333 degrees)
Cloverdale, CA - 17 km (10 miles) E (81 degrees)
Kelseyville, CA - 17 km (10 miles) S (176 degrees)
Santa Rosa, CA - 44 km (27 miles) NNW (347 degrees)
Coordinates 38 deg. 49.6 min. N (38.827N), 122 deg. 49.5 min. W (122.825W)
Depth 2.6 km (1.6 miles)
Quality Good
Location Quality Parameters Nst= 12, Nph= 12, Dmin=1 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=0.6 km, Gp=111.6 degrees
Event ID nc72080981
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