Recent Earthquakes in California and
Nevada
== PRELIMINARY EARTHQUAKE REPORT ==California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #3: This report supersedes any earlier reports of this event.
This event has been reviewed by a
seismologist.
A moderate earthquake occurred at 8:04:54 PM (PDT) on
Tuesday, October 30, 2007.
The magnitude 5.6 event occurred 8 km (5 miles)
NNE of Alum Rock, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 5.6 - regional moment magnitude (Mw) |
|---|---|
| Time | Tuesday, October 30, 2007 at 8:04:54 PM (PDT) Wednesday, October 31, 2007 at 3:04:54 (UTC) |
| Distance from | Alum Rock, CA - 8 km (5 miles) NNE (31
degrees) Milpitas, CA - 11 km (7 miles) E (91 degrees) San Jose City Hall, CA - 15 km (9 miles) NE (45 degrees) Sunol-Midtown, CA - 17 km (10 miles) NE (45 degrees) |
| Coordinates | 37 deg. 25.9 min. N (37.432N), 121 deg. 46.5 min. W (121.776W) |
| Depth | 9.2 km (5.7 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst=250, Nph=250, Dmin=3 km, Rmss=0.07 sec, Erho=0.1 km, Erzz=0.3 km, Gp=32.4 degrees |
| Event ID# | nc40204628 |
| Additional Information | 2-degree
map Google Earth KML (Requires Google Earth.) Topo map centered at earthquake (This link takes you offsite.) Rupture Directivity from Peak Motions ShakeMap shaking intensity maps Did you feel it? Aftershock Warning NCSN First Motion Mechanism 1 Waveforms Waveforms for ShakeMap Berkeley moment tensor solution Tsunami Information Statement from the WC/ATWC |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]