== 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 11:12:31 PM (PDT) on Tuesday, October 1, 2013.
The magnitude 2.1 event occurred 15 km (9 miles) SSE of Willows, CA.
The hypocentral depth is 9 km ( 6 miles).

Magnitude		2.1 - duration magnitude (Md)
Time		Tuesday, October 1, 2013 at 11:12:31 PM (PDT) Wednesday, October 2, 2013 at 6:12:31 (UTC)
Distance from		Willows, CA - 15 km (9 miles) SSE (155 degrees) Colusa, CA - 23 km (15 miles) NNW (335 degrees) Williams, CA - 28 km (17 miles) N (5 degrees) Chico, CA - 43 km (27 miles) SW (214 degrees)
Coordinates		39 deg. 24.3 min. N (39.406N), 122 deg. 7.3 min. W (122.122W)
Depth		9.2 km (5.7 miles)
Quality		Good
Location Quality Parameters		Nst= 6, Nph= 6, Dmin=43 km, Rmss=0.04 sec, Erho=0.8 km, Erzz=2 km, Gp=154.8 degrees
Event ID#		nc72079936
Additional Information		map || waveforms
		Waveforms

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