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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 #3: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.


A micro earthquake occurred at 8:12:06 PM (PDT) on Sunday, May 5, 2013.
The magnitude 2.5 event occurred 6 km (4 miles) W of Laytonville, CA.
The hypocentral depth is 4 km ( 3 miles).




Magnitude 2.5 - duration magnitude (Md)
Time Sunday, May 5, 2013 at 8:12:06 PM (PDT)
Monday, May 6, 2013 at 3:12:06 (UTC)
Distance from Laytonville, CA - 6 km (4 miles) W (264 degrees)
Rockport, CA - 23 km (14 miles) ESE (105 degrees)
Cape Vizcaino, CA - 24 km (15 miles) ESE (102 degrees)
Fort Bragg, CA - 34 km (21 miles) NE (39 degrees)
Coordinates 39 deg. 41.0 min. N (39.683N), 123 deg. 33.3 min. W (123.554W)
Depth 4.2 km (2.6 miles)
Quality Good
Location Quality Parameters Nst= 37, Nph= 37, Dmin=2 km, Rmss=0.1 sec, Erho=0.2 km, Erzz=0.3 km, Gp=93.6 degrees
Event ID nc71986266
Additional Information map || waveforms
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Waveforms
NCSS First Motion Mechanism 1
NCSS First Motion Mechanism 2



Did you feel it? || Shake Map North
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