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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 2:37:40 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.8 event occurred 4 km (2 miles) NW of Tres Pinos, CA.
The hypocentral depth is 6 km ( 4 miles).




Magnitude 0.8 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 2:37:40 AM (PDT)
Wednesday, May 8, 2013 at 9:37:40 (UTC)
Distance from Tres Pinos, CA - 4 km (2 miles) NW (319 degrees)
Hollister, CA - 6 km (4 miles) SE (132 degrees)
San Juan Bautista, CA - 17 km (11 miles) E (100 degrees)
Gilroy, CA - 28 km (18 miles) SE (137 degrees)
Coordinates 36 deg. 49.0 min. N (36.817N), 121 deg. 21.0 min. W (121.350W)
Depth 5.7 km (3.5 miles)
Quality Excellent
Location Quality Parameters Nst= 25, Nph= 25, Dmin=5 km, Rmss=0.1 sec, Erho=0.2 km, Erzz=0.6 km, Gp=64.8 degrees
Event ID nc71987821
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