== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/
Caltech/
CGS/
UCB/
UCSD/
UNR
Version #M: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 11:04:12 PM (PDT) on Thursday, April 30, 2009. The magnitude 0.5 event occurred 13 km (8 miles) SE of Anza, CA. The hypocentral depth is 12 km ( 7 miles).
Magnitude |
0.5 - local magnitude (ML) |
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Time |
Thursday, April 30, 2009 at 11:04:12 PM (PDT) Friday, May 1, 2009 at 6:04:12 (UTC)
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Distance from |
Anza, CA - 13 km (8 miles) SE (140 degrees)
Palomar Observatory, CA - 29 km (18 miles) ENE (65 degrees)
Lake Henshaw, CA - 30 km (19 miles) NNE (33 degrees)
Palm Springs, CA - 40 km (25 miles) S (187 degrees)
San Diego, CA - 93 km (58 miles) NE (34 degrees)
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Coordinates |
33 deg. 27.9 min. N (33.465N), 116 deg. 34.9 min. W (116.582W) |
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Depth |
11.6 km (7.2 miles) |
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Location Quality |
Good |
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Location Quality Parameters |
Nst= 38, Nph= 38, Dmin=4 km, Rmss=0.13 sec, Erho=0.3 km, Erzz=0.6 km, Gp=100.8 degrees
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Event ID# |
ci10403321 |
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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 South
For more information, see http://earthquake.usgs.gov/regional/sca/
|| Contacts
Back to map
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