== 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 microearthquake occurred at 12:20:16 PM (PST) on Tuesday, January 6, 2009.
The magnitude 1.8 event occurred 5 km (3 miles) WNW of San Francisco Zoo.
The hypocentral depth is 9 km ( 5 miles).
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Magnitude |
1.8 - duration magnitude (Md) |
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Time |
Tuesday, January 6, 2009 at 12:20:16 PM (PST)
Tuesday, January 6, 2009 at 20:20:16 (UTC)
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Distance from |
San Francisco Zoo - 5 km (3 miles) WNW (296 degrees)
center of Golden Gate Bridge - 10 km (6 miles) SW (224 degrees)
Daly City, CA - 11 km (7 miles) NW (311 degrees)
Colma, CA - 12 km (8 miles) NW (312 degrees)
San Francisco City Hall, CA - 13 km (8 miles) W (259 degrees)
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Coordinates |
37 deg. 45.2 min. N (37.753N), 122 deg. 33.5 min. W (122.558W) |
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Depth |
8.6 km (5.3 miles) |
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Location Quality |
Fair |
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Location Quality Parameters |
Nst= 17, Nph= 17, Dmin=9 km, Rmss=0.05 sec, Erho=0.5 km, Erzz=0.8 km, Gp=190.8 degrees
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Event ID# |
nc51214761 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms
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Did you feel it? ||
Shake Map North
For more information, see http://quake.wr.usgs.gov/
|| Contacts
Back to map
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