Wednesday, September 16, 2009

Earthquake 3.4 M - WIllits CA


== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

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 minor earthquake occurred at 5:52:54 PM (PDT) on Wednesday, September 16, 2009.
The magnitude 3.4 event occurred 18 km (11 miles) SW of Willits, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 3.4 - local magnitude (ML)
Time Wednesday, September 16, 2009 at 5:52:54 PM (PDT)
Thursday, September 17, 2009 at 0:52:54 (UTC)
Distance from Willits, CA - 18 km (11 miles) SW (223 degrees)
Navarro Head, CA - 25 km (16 miles) ENE (67 degrees)
Mendocino, CA - 26 km (16 miles) E (95 degrees)
Ukiah, CA - 29 km (18 miles) WNW (302 degrees)
San Francisco City Hall, CA - 192 km (120 miles) NNW (331 degrees)
Coordinates 39 deg. 17.2 min. N (39.286N), 123 deg. 29.7 min. W (123.494W)
Depth 5.4 km (3.4 miles)
Location Quality Good
Location Quality Parameters Nst= 32, Nph= 32, Dmin=15 km, Rmss=0.13 sec, Erho=0.3 km, Erzz=1 km, Gp=118.8 degrees
Event ID# nc71282111

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