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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 4:35:54 AM (PDT) on Thursday, May 2, 2013.
The magnitude 0.9 event occurred 5 km (3 miles) NW of The Geysers, CA.
The hypocentral depth is 9 km ( 6 miles).




Magnitude 0.9 - duration magnitude (Md)
Time Thursday, May 2, 2013 at 4:35:54 AM (PDT)
Thursday, May 2, 2013 at 11:35:54 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NW (311 degrees)
Cloverdale, CA - 14 km (9 miles) E (79 degrees)
Kelseyville, CA - 17 km (10 miles) S (184 degrees)
Santa Rosa, CA - 45 km (28 miles) NNW (344 degrees)
Coordinates 38 deg. 49.8 min. N (38.830N), 122 deg. 51.2 min. W (122.853W)
Depth 9 km (5.6 miles)
Quality Good
Location Quality Parameters Nst= 11, Nph= 11, Dmin=2 km, Rmss=0.08 sec, Erho=0.7 km, Erzz=1 km, Gp=126 degrees
Event ID nc71980685
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