== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:23:58 AM (PDT) on Friday, May 3, 2013.
The magnitude 1.1 event occurred 19 km (12 miles) NE (43 degrees) of San Ardo, CA.
The hypocentral depth is 9 km ( 5 miles).

Magnitude		1.1 - duration magnitude (Md)
Time		Friday, May 3, 2013 at 2:23:58 AM (PDT) Friday, May 3, 2013 at 9:23:58 (UTC)
Distance from		San Ardo, CA - 19 km (12 miles) NE (43 degrees) New Idria, CA - 31 km (19 miles) SSW (195 degrees) King City, CA - 34 km (21 miles) ESE (103 degrees) Parkfield, CA - 40 km (25 miles) NW (313 degrees)
Coordinates		36 deg. 8.7 min. N (36.144N), 120 deg. 45.7 min. W (120.761W)
Depth		8.7 km (5.4 miles)
Quality		Good
Location Quality Parameters		Nst= 29, Nph= 29, Dmin=5 km, Rmss=0.11 sec, Erho=0.5 km, Erzz=0.4 km, Gp=158.4 degrees
Event ID#		nc71984601
Additional Information		map || waveforms
		Waveforms NCSS First Motion Mechanism 1

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

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Did you feel it? || Shake Map North || Relative2Me ]
[ Data Sources || Contacts ]