Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==California Integrated Seismic Net
USGS/ Caltech/ CGS/ UCB/ UCSD/ UNR
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A microearthquake occurred at 12:22:50 PM (PDT) on Friday, May 8, 2009.
The magnitude 1.1 event occurred 9 km (5 miles) NE of Alum Rock, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
|---|---|
| Time | Friday, May 8, 2009 at 12:22:50 PM (PDT) Friday, May 8, 2009 at 19:22:50 (UTC) |
| Distance from | Alum Rock, CA - 9 km (5 miles) NE (34 degrees) Milpitas, CA - 11 km (7 miles) E (92 degrees) San Jose City Hall, CA - 15 km (9 miles) NE (47 degrees) Sunol-Midtown, CA - 17 km (11 miles) NE (46 degrees) |
| Coordinates | 37 deg. 25.9 min. N (37.431N), 121 deg. 46.3 min. W (121.771W) |
| Depth | 10.2 km (6.3 miles) |
| Location Quality | Good |
| Location Quality Parameters | Nst= 18, Nph= 18, Dmin=3 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=0.5 km, Gp=108 degrees |
| Event ID# | nc71218436 |
| Additional Information | 2-degree map Google Earth KML (Requires Google Earth.) |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]