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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 9:48:30 AM (PDT) on Thursday, October 3, 2013.
The magnitude 0.5 event occurred 2 km (1 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).




Magnitude 0.5 - duration magnitude (Md)
Time Thursday, October 3, 2013 at 9:48:30 AM (PDT)
Thursday, October 3, 2013 at 16:48:30 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NNW (348 degrees)
Cloverdale, CA - 18 km (11 miles) E (86 degrees)
Kelseyville, CA - 18 km (11 miles) S (173 degrees)
Santa Rosa, CA - 43 km (26 miles) N (349 degrees)
Coordinates 38 deg. 48.9 min. N (38.815N), 122 deg. 48.7 min. W (122.811W)
Depth 3.3 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst= 11, Nph= 11, Dmin=1 km, Rmss=0.02 sec, Erho=0.4 km, Erzz=1.3 km, Gp=82.8 degrees
Event ID nc72080631
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