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


A micro earthquake occurred at 10:13:34 AM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.4 event occurred 14 km (9 miles) SSE of Tres Pinos, CA.
The hypocentral depth is 5 km ( 3 miles).




Magnitude 0.4 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 10:13:34 AM (PDT)
Tuesday, May 7, 2013 at 17:13:34 (UTC)
Distance from Tres Pinos, CA - 14 km (9 miles) SSE (163 degrees)
Pinnacles, CA - 19 km (12 miles) NW (323 degrees)
Hollister, CA - 23 km (14 miles) SSE (151 degrees)
Gonzales, CA - 24 km (15 miles) NE (40 degrees)
Coordinates 36 deg. 40.2 min. N (36.671N), 121 deg. 16.5 min. W (121.275W)
Depth 5.4 km (3.4 miles)
Quality Good
Location Quality Parameters Nst= 13, Nph= 13, Dmin=0 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=1.1 km, Gp=147.6 degrees
Event ID nc71987316
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