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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 #0: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.


A micro earthquake occurred at 8:52:41 AM (PDT) on Sunday, May 5, 2013.
The magnitude 1.2 event occurred 3 km (2 miles) ESE of Pacifica, CA.
The hypocentral depth is 8 km ( 5 miles).




Magnitude 1.2 - duration magnitude (Md)
Time Sunday, May 5, 2013 at 8:52:41 AM (PDT)
Sunday, May 5, 2013 at 15:52:41 (UTC)
Distance from Pacifica, CA - 3 km (2 miles) ESE (114 degrees)
Millbrae, CA - 6 km (4 miles) W (275 degrees)
South San Francisco, CA - 7 km (5 miles) SW (219 degrees)
San Francisco City Hall, CA - 19 km (12 miles) S (190 degrees)
Coordinates 37 deg. 36.2 min. N (37.604N), 122 deg. 27.5 min. W (122.458W)
Depth 8 km (5.0 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 10, Dmin=4 km, Rmss=0.04 sec, Erho=0.5 km, Erzz=0.8 km, Gp=93.6 degrees
Event ID nc71985921
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