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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 3:21:05 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 1.1 event occurred 17 km (10 miles) SE of Tres Pinos, CA.
The hypocentral depth is 13 km ( 8 miles).




Magnitude 1.1 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 3:21:05 PM (PDT)
Tuesday, May 7, 2013 at 22:21:05 (UTC)
Distance from Tres Pinos, CA - 17 km (10 miles) SE (128 degrees)
Pinnacles, CA - 18 km (11 miles) N (352 degrees)
Hollister, CA - 27 km (17 miles) SE (131 degrees)
Gonzales, CA - 32 km (20 miles) NE (49 degrees)
Coordinates 36 deg. 41.8 min. N (36.696N), 121 deg. 10.4 min. W (121.173W)
Depth 12.8 km (8.0 miles)
Quality Fair
Location Quality Parameters Nst= 25, Nph= 25, Dmin=3 km, Rmss=0.2 sec, Erho=0.7 km, Erzz=1.2 km, Gp=151.2 degrees
Event ID nc71987486
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