== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version #1: 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 9:35:10 PM (PDT) on Sunday, May 5, 2013.
The magnitude 1.9 event occurred 6 km (3 miles) SW of Millbrae, CA.
The hypocentral depth is 10 km ( 6 miles).

Magnitude		1.9 - duration magnitude (Md)
Time		Sunday, May 5, 2013 at 9:35:10 PM (PDT) Monday, May 6, 2013 at 4:35:10 (UTC)
Distance from		Millbrae, CA - 6 km (3 miles) SW (228 degrees) Burlingame, CA - 6 km (4 miles) WSW (252 degrees) Pacifica, CA - 7 km (4 miles) SE (140 degrees) San Francisco City Hall, CA - 23 km (15 miles) S (183 degrees)
Coordinates		37 deg. 33.9 min. N (37.565N), 122 deg. 26.0 min. W (122.434W)
Depth		9.9 km (6.2 miles)
Quality		Excellent
Location Quality Parameters		Nst= 33, Nph= 33, Dmin=2 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.3 km, Gp=90 degrees
Event ID#		nc71986321
Additional Information		map || waveforms
		Waveforms NCSS First Motion Mechanism 1

For more information, see http://quake.wr.usgs.gov/

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