== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 9:40:14 AM (PDT) on Friday, May 1, 2009.
The magnitude 1.5 event occurred 15 km (9 miles) W of Round Mountain, CA.
The hypocentral depth is 5 km ( 3 miles).
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Magnitude |
1.5 - duration magnitude (Md) |
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Time |
Friday, May 1, 2009 at 9:40:14 AM (PDT)
Friday, May 1, 2009 at 16:40:14 (UTC)
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Distance from |
Round Mountain, CA - 15 km (9 miles) W (267 degrees)
Montgomery Creek, CA - 18 km (11 miles) WSW (253 degrees)
Shasta Lake, CA - 24 km (15 miles) ENE (59 degrees)
Redding, CA - 32 km (20 miles) NE (41 degrees)
Sacramento, CA - 255 km (158 miles) NNW (348 degrees)
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Coordinates |
40 deg. 47.5 min. N (40.792N), 122 deg. 7.3 min. W (122.122W) |
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Depth |
5 km (3.1 miles) |
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Location Quality |
Fair |
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Location Quality Parameters |
Nst= 9, Nph= 9, Dmin=22 km, Rmss=0.1 sec, Erho=0.5 km, Erzz=31.6 km, Gp=90 degrees
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Event ID# |
nc71216381 |
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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
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