[crackmonkey] [majy@majink.org: [Pigdog] body movin']
Nick Moffitt
nick at zork.net
Fri Dec 4 13:30:21 PST 1998
PigDoggen info on the tremor last night.
----- Forwarded message from MAJ <majy at majink.org> -----
== 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 Steve Walter
A LIGHT EARTHQUAKE OCCURRED AT 04:16 AM PST Friday, Dec 04, 1998.
THE MAGNITUDE 4.1 (ML) EVENT IS LOCATED 3 MILES ESE OF RICHMOND, CA
THE HYPOCENTRAL DEPTH IS 3.6 MILES.
PRINCIPAL EARTHQUAKE PARAMETERS
_______________________________
Magnitude : 4.12 ML
Event Date & Time : 12/04/1998 04:16:07 AM PST
12/04/1998 12:16:07 UTC
Location : 37.9220 N, 122.2885 W
: (37 deg. 55.32 min. N, 122 deg. 17.31 min. W)
Depth : 5.8 km. deep ( 3.6 miles)
Location Quality : Excellent
5 km ( 3 miles) ESE (108 degrees) of Richmond, CA
6 km ( 4 miles) NNW (345 degrees) of Berkeley, CA
9 km ( 6 miles) S (175 degrees) of Pinole, CA
11 km ( 7 miles) S (181 degrees) of Hercules, CA
11 km ( 7 miles) WNW (298 degrees) of Orinda, CA
20 km ( 12 miles) NE ( 35 degrees) of San Francisco City Hall, CA
ADDITIONAL EARTHQUAKE PARAMETERS
________________________________
number of phases : 198
rms misfit : 0.10 seconds
horizontal location error : 0.1 km
vertical location error : 0.3 km
maximum azimuthal gap : 43 degrees
distance to nearest station : 4. km
In region 2 (016) HAYWARD FAULT
event ID: 40083251
==========================================================================
U.S. Geological Survey | Seismological Laboratory
Earthquake Hazards Team | 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 at andreas.wr.usgs.gov | bdsn at seismo.berkeley.edu
More Information about this event and other earthquakes is available on
the Worldwide Web at http://quake.wr.usgs.gov
----------------------------------------------------
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----- End forwarded message -----
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