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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 0:11:34 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.4 event occurred 5 km (3 miles) E of The Geysers, CA.
The hypocentral depth is 0.1 km (0.1 miles).




Magnitude 0.4 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 0:11:34 AM (PDT)
Wednesday, May 8, 2013 at 7:11:34 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) E (101 degrees)
Lower Lake, CA - 18 km (11 miles) SW (222 degrees)
Clearlake, CA - 22 km (13 miles) SSW (210 degrees)
Santa Rosa, CA - 39 km (24 miles) N (356 degrees)
Coordinates 38 deg. 47.4 min. N (38.789N), 122 deg. 44.9 min. W (122.748W)
Depth 0.1 km (0.1 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 7, Dmin=3 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=3.2 km, Gp=93.6 degrees
Event ID nc71987776
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