You are here: Home » Earthquake Center » Historic Earthquakes » 2003

Magnitude 3.4 near Simi Valley, CA

Friday, September 12, 2003 at 5:59:26 PM (PDT)

Preliminary Earthquake Report

Magnitude 3.4
Time Saturday, September 13, 2003 at 0:59:26 (UTC)
Friday, September 12, 2003 at 5:59:26 PM (PDT)
Distance from 8 km (5 miles) N (358 degrees) of Simi Valley, CA
9 km (6 miles) SE (145 degrees) of Piru, CA
14 km (9 miles) ENE (62 degrees) of Moorpark, CA
14 km (9 miles) SW (214 degrees) of Val Verde, CA
Coordinates 34 deg. 20.4 min. N (34.340N)
118 deg. 44.6 min. W (118.743W)
Depth 15.5 km (9.6 miles)
Quality Fair

Location Map

Did You Feel It?
Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

  Waveform for this Event

Earthquakes: Frequently Asked Questions

Archive of newsworthy events

Preliminary Earthquake Report
USGS, Pasadena, CA
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California