== 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
This event has been reviewed by David Oppenheimer-USGS
A LIGHT EARTHQUAKE OCCURRED AT 06:06 PM PDT Tuesday, Aug 17, 1999.
THE MAGNITUDE 5.0 (ML) EVENT IS LOCATED 0 MILES SSW OF BOLINAS, CA
THE HYPOCENTRAL DEPTH IS 4.3 MILES.
PRINCIPAL EARTHQUAKE PARAMETERS
_______________________________
Magnitude : 4.98 ML
Event Date & Time : 08/17/1999 06:06:18 PM PDT
08/18/1999 01:06:18 UTC
Location : 37.9067 N, 122.6862 W
: (37 deg. 54.40 min. N, 122 deg. 41.17 min. W)
Depth : 6.9 km. deep ( 4.3 miles)
Location Quality : Good
0 km ( 0 miles) SSW (195 degrees) of Bolinas, CA
12 km ( 8 miles) SSW (197 degrees) of Woodacre, CA
12 km ( 8 miles) SW (224 degrees) of Fairfax, CA
13 km ( 8 miles) W (270 degrees) of Mill Valley, CA
16 km ( 10 miles) WSW (242 degrees) of San Rafael, CA
28 km ( 17 miles) WNW (302 degrees) of San Francisco City Hall, CA
ADDITIONAL EARTHQUAKE PARAMETERS
________________________________
number of phases : 244
rms misfit : 0.09 seconds
horizontal location error : 0.2 km
vertical location error : 0.7 km
maximum azimuthal gap : 97 degrees
distance to nearest station : 8. km
In region 2 (041) MARIN
event ID: 40104152
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U.S. Geological Survey | Seismological Laboratory
Seismology Section | 475 McCone Hall
345 Middlefield Road - MS 977 | U.C. Berkeley
Menlo Park, CA 94025 | Berkeley, CA 94720-4760
Voice : 650-329-4085 | 510-642-3977
Earthquake Info : 650-329-4025 | 510-642-2160
Fax : 650-329-5163 | 510-643-5811
E-mail : ncsn@andreas.wr.usgs.gov | bdsn@seismo.berkeley.edu
More Information about this event and other earthquakes is available on
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