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Magnitude 3.3 - SOUTHERN CALIFORNIA
2004 October 16 05:05:35 UTC

Preliminary Earthquake Report
California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR

A minor earthquake occurred at 05:05:35 (UTC) on Saturday, October 16, 2004. The magnitude 3.3 event has been located in SOUTHERN CALIFORNIA. The hypocentral depth was estimated to be 28 km (17 miles). (This event has been reviewed by a seismologist.)
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Small map showing earthquake

Magnitude 3.3
Date-Time Saturday, October 16, 2004 at 05:05:35 (UTC)
= Coordinated Universal Time
Friday, October 15, 2004 at 10:05:35 PM
= local time at epicenter

Location 34.463°N, 119.126°W
Depth 27.5 km (17.1 miles)
Region SOUTHERN CALIFORNIA
Distances 11 km (7 miles) E (82°) from Ojai, CA
13 km (8 miles) NNW (336°) from Santa Paula, CA
14 km (9 miles) E (84°) from Meiners Oaks, CA
23 km (14 miles) NNE (24°) from San Buenaventura (Ventura), CA
93 km (58 miles) WNW (300°) from Los Angeles Civic Center, CA
Location Uncertainty horizontal +/- 0.7 km (0.4 miles); depth +/- 1.4 km (0.9 miles)
Parameters Nph=049, Dmin=3 km, Rmss=0.45 sec, Gp= 29°,
M-type=local magnitude (ML), Version=T
Source California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Event ID ci10054037

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The official magnitude for this earthquake is indicated at the top of this page. This was the best available estimate of the earthquake's size, at the time that this page was created. Other magnitudes associated with web pages linked from here are those determined at various times following the earthquake with different types of seismic data. Although, given the data used, they are legitimate estimates of magnitude, they are not considered the official magnitude.


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Last modification: 18 October 2004
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