== PRELIMINARY EVENT REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #5: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
An event occurred at 12:00:49 PM (PDT) on Thursday, April 30, 2009.
The magnitude 2.1 event (a probable quarry explosion) occurred .
The hypocentral depth is 0 km (0.0 miles).
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Magnitude |
2.1 - duration magnitude (Md) |
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Time |
Thursday, April 30, 2009 at 12:00:49 PM (PDT)
Thursday, April 30, 2009 at 19:00:49 (UTC)
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Distance from |
(a probable quarry explosion)
Oroville, CA - 11 km (7 miles) NNW (346 degrees)
Thermalito, CA - 12 km (7 miles) N (6 degrees)
Oroville East, CA - 13 km (8 miles) NW (326 degrees)
Chico, CA - 26 km (16 miles) SE (125 degrees)
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Coordinates |
39 deg. 36.3 min. N (39.605N), 121 deg. 35.2 min. W (121.586W) |
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Depth |
0 km (0.0 miles) |
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Location Quality |
Fair |
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Location Quality Parameters |
Nst= 13, Nph= 13, Dmin=6 km, Rmss=0.2 sec, Erho=1 km, Erzz=31.6 km, Gp=122.4 degrees
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Event ID# |
nc71216166 |
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Additional Information |
map with fault names
Google Earth KML (Requires Google Earth.)
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Did you feel it? ||
Shake Map North
For more information, see http://quake.wr.usgs.gov/
|| Contacts
Back to map
|
