Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event.
This event has been reviewed by a seismologist.
A light earthquake occurred at 10:22:58 AM (PST) on Sunday, February 2, 2003.
The magnitude 4.2 event occurred 4 km (3 miles) N of Dublin, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 4.2 - local magnitude (Ml) |
|---|---|
| Time | Sunday, February 2, 2003 at 10:22:58 AM (PST) Sunday, February 2, 2003 at 18:22:58 (UTC) |
| Distance from | Dublin, CA - 4 km (3 miles) N (358 degrees) San Ramon, CA - 6 km (4 miles) SE (142 degrees) Pleasanton, CA - 10 km (6 miles) NNW (327 degrees) San Francisco City Hall, CA - 42 km (26 miles) E (95 degrees) |
| Coordinates | 37 deg. 44.4 min. N (37.740N), 121 deg. 56.2 min. W (121.937W) |
| Depth | 16.5 km (10.3 miles) |
| Location Quality | Good |
| Location Quality Parameters | Nst=237, Nph=237, Dmin=11 km, Rmss=0.17 sec, Erho=0.2 km, Erzz=0.3 km, Gp=64.8 degrees |
| Event ID# | nc51125525 |
| Additional Information | 2-degree map || waveforms Topo map centered at earthquake (This link takes you offsite). Did you feel it? Berkeley moment tensor solution NCSN First Motion Mechanism 1 ShakeMap shaking intensity maps (Northern California server) |
For more information, see http://quake.wr.usgs.gov/
[ Data Sources || Contacts ]