SCEDC Home
Home

== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California



Version #1: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A minor earthquake occurred at 11:16:30 AM (PDT) on Sunday, May 4, 2008.
The magnitude 3.7 event occurred 3 km (2 miles) SE of Lake Henshaw, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 3.7 - local magnitude (Ml)
Time Sunday, May 4, 2008 at 11:16:30 AM (PDT)
Sunday, May 4, 2008 at 18:16:30 (UTC)
Distance from Lake Henshaw, CA - 3 km (2 miles) SE (143 degrees)
Mesa Grande, CA - 5 km (3 miles) NNE (32 degrees)
Palomar Observatory, CA - 19 km (12 miles) SE (144 degrees)
Oceanside, CA - 59 km (37 miles) E (88 degrees)
Coordinates 33 deg. 12.9 min. N (33.215N), 116 deg. 44.4 min. W (116.741W)
Depth 4.4 km (2.7 miles)
Quality Fair
Location Quality Parameters Nst=100, Nph=100, Dmin=19 km, Rmss=0.33 sec, Erho=0.2 km, Erzz=1.4 km, Gp=36 degrees
Event ID# ci14366244
Additional Information map ||
  ShakeMap shaking intensity maps
  Waveforms
  Did you feel it?
  24-hour Aftershock Forecast Map

For more information, see http://quake.wr.usgs.gov/

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Did you feel it? || Shake Map North || Relative2Me ]
[ Data Sources || Contacts ]

Research Tools
General Earthquake Information >
Stations/ Instrumentation
Educational Resources
About the Data Center