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


A micro earthquake occurred at 1:21:48 AM (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 11 km ( 7 miles).




Magnitude 1.1 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 1:21:48 AM (PDT)
Tuesday, May 7, 2013 at 8:21:48 (UTC)
Distance from Tres Pinos, CA - 17 km (10 miles) SE (129 degrees)
Pinnacles, CA - 19 km (12 miles) N (351 degrees)
Hollister, CA - 26 km (16 miles) SE (131 degrees)
Gonzales, CA - 32 km (20 miles) NE (48 degrees)
Coordinates 36 deg. 41.8 min. N (36.697N), 121 deg. 10.5 min. W (121.175W)
Depth 11.3 km (7.0 miles)
Quality Good
Location Quality Parameters Nst= 30, Nph= 30, Dmin=4 km, Rmss=0.17 sec, Erho=0.5 km, Erzz=0.9 km, Gp=50.4 degrees
Event ID nc71987041
Additional Information map || waveforms
Waveforms
NCSS First Motion Mechanism 1



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