== PRELIMINARY EARTHQUAKE REPORT ==
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

Version #O: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.

A microearthquake occurred at 7:24:15 PM (PDT) on Thursday, October 30, 2008.
The magnitude 1.0 event occurred 15 km (9 miles) SE of Anza, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.0 - local magnitude (ML)
Time Thursday, October 30, 2008 at 7:24:15 PM (PDT)
Friday, October 31, 2008 at 2:24:15 (UTC)
Distance from Anza, CA - 15 km (9 miles) SE (141 degrees)
Palomar Observatory, CA - 29 km (18 miles) ENE (68 degrees)
Lake Henshaw, CA - 30 km (18 miles) NE (36 degrees)
Palm Springs, CA - 41 km (26 miles) S (186 degrees)
San Diego, CA - 92 km (57 miles) NE (35 degrees)
Coordinates 33 deg. 27.2 min. N (33.453N), 116 deg. 34.4 min. W (116.574W)
Depth 15.5 km (9.6 miles)
Location Quality Fair
Location Quality Parameters Nst=046, Nph=046, Dmin=5 km, Rmss=0.25 sec, Erho=0.4 km, Erzz=31.6 km, Gp=100.8 degrees
Event ID# ci10357157
Additional Information map with fault names
Google Earth KML (Requires Google Earth.)
Waveforms

Did you feel it? || Shake Map South
For more information, see http://earthquake.usgs.gov/regional/sca/ || Contacts

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