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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 9:20:21 PM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.9 event occurred 6 km (4 miles) E (87 degrees) of The Geysers, CA.
The hypocentral depth is 1 km (0.5 miles).




Magnitude 0.9 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 9:20:21 PM (PDT)
Thursday, May 9, 2013 at 4:20:21 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) E (87 degrees)
Lower Lake, CA - 16 km (10 miles) SW (223 degrees)
Clearlake, CA - 20 km (12 miles) SSW (209 degrees)
Santa Rosa, CA - 40 km (25 miles) N (357 degrees)
Coordinates 38 deg. 48.1 min. N (38.801N), 122 deg. 44.2 min. W (122.737W)
Depth 0.8 km (0.5 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=1.7 km, Gp=97.2 degrees
Event ID nc71988381
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