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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 2:28:51 PM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.5 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).




Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 2:28:51 PM (PDT)
Wednesday, May 8, 2013 at 21:28:51 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (112 degrees)
Lower Lake, CA - 19 km (12 miles) SW (225 degrees)
Healdsburg, CA - 21 km (13 miles) NNE (24 degrees)
Santa Rosa, CA - 39 km (24 miles) N (353 degrees)
Coordinates 38 deg. 47.1 min. N (38.785N), 122 deg. 46.0 min. W (122.766W)
Depth 3.7 km (2.3 miles)
Quality Good
Location Quality Parameters Nst= 11, Nph= 11, Dmin=2 km, Rmss=0.06 sec, Erho=0.6 km, Erzz=1.6 km, Gp=100.8 degrees
Event ID nc71988156
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