== 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 6:23:28 AM (PDT) on Tuesday, September 9, 2008.
The magnitude 1.8 event occurred 3 km (2 miles) ENE of Healdsburg, CA.
The hypocentral depth is 3 km ( 2 miles).
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Magnitude |
1.8 - duration magnitude (Md) |
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Time |
Tuesday, September 9, 2008 at 6:23:28 AM (PDT)
Tuesday, September 9, 2008 at 13:23:28 (UTC)
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Distance from |
Healdsburg, CA - 3 km (2 miles) ENE (59 degrees)
Windsor, CA - 10 km (6 miles) NNW (342 degrees)
Larkfield-Wikiup, CA - 15 km (10 miles) NNW (331 degrees)
Santa Rosa, CA - 23 km (15 miles) NNW (330 degrees)
San Francisco City Hall, CA - 102 km (63 miles) NNW (339 degrees)
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Coordinates |
38 deg. 37.8 min. N (38.630N), 122 deg. 50.4 min. W (122.840W) |
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Depth |
3.2 km (2.0 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 21, Nph= 21, Dmin=8 km, Rmss=0.11 sec, Erho=0.3 km, Erzz=2.1 km, Gp=43.2 degrees
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Event ID# |
nc51207875 |
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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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