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
seismologist. The magnitude has been downgraded from 5.00 to 4.82.
A light earthquake occurred at 1:42:22 AM (PDT) on
Wednesday, April 18, 2007.
The magnitude 4.8 event occurred 14 km (9 miles)
WNW of Lake Pillsbury, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 4.8 - regional moment magnitude (Mw) |
|---|---|
| Time | Wednesday, April 18, 2007 at 1:42:22 AM (PDT) Wednesday, April 18, 2007 at 8:42:22 (UTC) |
| Distance from | Lake Pillsbury, CA - 14 km (9 miles) WNW (296
degrees) Willits, CA - 22 km (14 miles) ENE (72 degrees) Ukiah, CA - 36 km (23 miles) NNE (14 degrees) Talmage, CA - 37 km (23 miles) N (8 degrees) Sacramento, CA - 174 km (108 miles) NW (306 degrees) |
| Coordinates | 39 deg. 27.9 min. N (39.465N), 123 deg. 6.3 min. W (123.106W) |
| Depth | 6.1 km (3.8 miles) |
| Location Quality | Good |
| Location Quality Parameters | Nst=136, Nph=136, Dmin=13 km, Rmss=0.09 sec, Erho=0.1 km, Erzz=0.8 km, Gp=43.2 degrees |
| Event ID# | nc40195779 |
| 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 Did you feel it? Aftershock Warning 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 ]