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.
A light earthquake occurred at 10:09:35 AM (PST) on
Thursday, January 7, 2010.
The magnitude 4.1 event occurred 10 km (6 miles)
ENE of Milpitas, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 4.1 - regional moment magnitude (Mw) |
|---|---|
| Time | Thursday, January 7, 2010 at 10:09:35 AM (PST) Thursday, January 7, 2010 at 18:09:35 (UTC) |
| Distance from | Milpitas, CA - 10 km (6 miles) ENE (62
degrees) Alum Rock, CA - 12 km (8 miles) NNE (12 degrees) Sunol, CA - 16 km (10 miles) SSE (150 degrees) San Jose City Hall, CA - 17 km (11 miles) NNE (29 degrees) |
| Coordinates | 37 deg. 28.6 min. N (37.477N), 121 deg. 47.8 min. W (121.797W) |
| Depth | 9 km (5.6 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst= 89, Nph= 89, Dmin=3 km, Rmss=0.08 sec, Erho=0.1 km, Erzz=0.4 km, Gp=36 degrees |
| Event ID# | nc71336726 |
| Additional Information | 2-degree
map Google Earth KML (Requires Google Earth.) Did you feel it? ShakeMap shaking intensity maps NCSS First Motion Mechanism 1 Waveforms Waveforms for ShakeMap NCSS Moment Tensor Solution Tsunami Information Statement from the WC/ATWC |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]