PRELIMINARY EARTHQUAKE REPORT
Rapid Earthquake Location Service
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version 2: Updates lower and earlier versions of this earthquake report

A MINOR EARTHQUAKE OCCURRED AT 08:07 AM PDT Friday, Jul 06, 2001.
THE MAGNITUDE 3.7 (ML) EVENT IS LOCATED   4 MILES E   OF ROHNERT PARK, CA
THE HYPOCENTRAL DEPTH IS   4.4 MILES.

This event has been reviewed by Jim Luetgert-USGS.

PRINCIPAL EARTHQUAKE PARAMETERS
_______________________________

Magnitude              : 3.70  ML
Event Date & Time      : 07/06/2001   08:07:31 AM PDT
07/06/2001   15:07:31    UTC
Location               : 38.3443 N, 122.6297 W
            : (38 deg. 20.66 min. N, 122 deg. 37.78 min. W)
Depth                  :    7.1 km. deep (   4.4 miles)
Location Quality       : Excellent

6 km (  4 miles) E   ( 85 degrees) of Rohnert Park, CA
10 km (  6 miles) WSW (256 degrees) of Glen Ellen, CA
13 km (  8 miles) N   (  2 degrees) of Petaluma, CA
13 km (  8 miles) SE  (146 degrees) of Santa Rosa, CA
16 km ( 10 miles) WNW (291 degrees) of Sonoma, CA

ADDITIONAL EARTHQUAKE PARAMETERS
________________________________

number of phases             : 116
rms misfit                   :   0.14 seconds
horizontal location error    :   0.2  km
vertical location error      :   0.4  km
maximum azimuthal gap        :  39    degrees
distance to nearest station  :   5.   km
event ID:   40124461


EDIS-07-06-01 0820 PDT


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