Recent Earthquakes in California and
Nevada
== PRELIMINARY EARTHQUAKE REPORT ==California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #4: This report supersedes any earlier reports of this event.
This event has been reviewed by a
seismlogist. The magnitude was revised after further review.
A light earthquake occurred at 2:08:28 PM (PDT) on
Tuesday, April 24, 2007.
The magnitude 4.4 event occurred 1 km (1 miles) ESE
of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 4.4 - regional moment magnitude (Mw) |
|---|---|
| Time | Tuesday, April 24, 2007 at 2:08:28 PM (PDT) Tuesday, April 24, 2007 at 21:08:28 (UTC) |
| Distance from | The Geysers, CA - 1 km (1 miles) ESE (102
degrees) Cobb, CA - 8 km (5 miles) SW (235 degrees) Anderson Springs, CA - 9 km (6 miles) WNW (285 degrees) Santa Rosa, CA - 39 km (24 miles) N (349 degrees) San Francisco City Hall, CA - 118 km (73 miles) NNW (344 degrees) |
| Coordinates | 38 deg. 47.8 min. N (38.796N), 122 deg. 47.6 min. W (122.794W) |
| Depth | 1.7 km (1.1 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst=179, Nph=179, Dmin=1 km, Rmss=0.12 sec, Erho=0.1 km, Erzz=0.3 km, Gp=43.2 degrees |
| Event ID# | nc51181154 |
| Additional Information | 2-degree
map Google Earth KML (Requires Google Earth.) Topo map centered at earthquake (This link takes you offsite.) ShakeMap shaking intensity maps NCSN First Motion Mechanism 1 Waveforms Waveforms for ShakeMap Berkeley moment tensor solution |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]