Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
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 microearthquake occurred at 4:34:01 AM (PDT) on Wednesday, May 7, 2008.
The magnitude 1.8 event occurred 2 km (1 miles) W of Blackhawk, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
|---|---|
| Time | Wednesday, May 7, 2008 at 4:34:01 AM (PDT) Wednesday, May 7, 2008 at 11:34:01 (UTC) |
| Distance from | Blackhawk, CA - 2 km (1 miles) W (274 degrees) Danville, CA - 3 km (2 miles) E (90 degrees) Diablo, CA - 3 km (2 miles) SSE (151 degrees) Concord, CA - 19 km (12 miles) SSE (159 degrees) Oakland, CA - 25 km (16 miles) E (86 degrees) |
| Coordinates | 37 deg. 48.7 min. N (37.811N), 121 deg. 56.4 min. W (121.941W) |
| Depth | 7.9 km (4.9 miles) |
| Location Quality | Excellent |
| Location Quality Parameters | Nst= 31, Nph= 31, Dmin=7 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.4 km, Gp=64.8 degrees |
| Event ID# | nc40217181 |
| Additional Information | 2-degree map Google Earth KML (Requires Google Earth.) Waveforms |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]