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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 8:53:43 PM (PDT) on Sunday, May 5, 2013.
The magnitude 0.4 event occurred 4 km (3 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).




Magnitude 0.4 - duration magnitude (Md)
Time Sunday, May 5, 2013 at 8:53:43 PM (PDT)
Monday, May 6, 2013 at 3:53:43 (UTC)
Distance from The Geysers, CA - 4 km (3 miles) N (358 degrees)
Kelseyville, CA - 16 km (10 miles) S (171 degrees)
Cloverdale, CA - 18 km (11 miles) E (79 degrees)
Santa Rosa, CA - 45 km (28 miles) N (349 degrees)
Coordinates 38 deg. 50.2 min. N (38.837N), 122 deg. 48.5 min. W (122.808W)
Depth 1.7 km (1.1 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.04 sec, Erho=0.4 km, Erzz=1.2 km, Gp=108 degrees
Event ID nc71986296
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