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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 7:05:03 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.7 event occurred 6 km (4 miles) SW of Millbrae, CA.
The hypocentral depth is 9 km ( 6 miles).




Magnitude 0.7 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 7:05:03 AM (PDT)
Wednesday, May 8, 2013 at 14:05:03 (UTC)
Distance from Millbrae, CA - 6 km (4 miles) SW (219 degrees)
Burlingame, CA - 6 km (4 miles) WSW (243 degrees)
El Granada, CA - 7 km (4 miles) NNE (30 degrees)
San Francisco City Hall, CA - 24 km (15 miles) S (182 degrees)
Coordinates 37 deg. 33.4 min. N (37.557N), 122 deg. 25.7 min. W (122.429W)
Depth 8.8 km (5.5 miles)
Quality Excellent
Location Quality Parameters Nst= 8, Nph= 8, Dmin=3 km, Rmss=0.06 sec, Erho=0.8 km, Erzz=1.8 km, Gp=86.4 degrees
Event ID nc71987991
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