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 10:23:37 PM (PST) on Wednesday, January 7, 2009.
The magnitude 1.8 event occurred 3 km (2 miles) W of Anderson Springs, CA.
The hypocentral depth is 2 km ( 1 mile).
Magnitude | 1.8 - duration magnitude (Md) |
---|---|
Time | Wednesday, January 7, 2009 at 10:23:37 PM (PST) Thursday, January 8, 2009 at 6:23:37 (UTC) |
Distance from | Anderson Springs, CA - 3 km (2 miles) W (270 degrees) The Geysers, CA - 7 km (4 miles) ESE (111 degrees) Cobb, CA - 7 km (4 miles) S (185 degrees) Santa Rosa, CA - 36 km (23 miles) N (357 degrees) Sacramento, CA - 112 km (70 miles) WNW (283 degrees) |
Coordinates | 38 deg. 46.5 min. N (38.775N), 122 deg. 43.8 min. W (122.730W) |
Depth | 1.5 km (0.9 miles) |
Location Quality | Excellent |
Location Quality Parameters | Nst= 27, Nph= 27, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.4 km, Gp=61.2 degrees |
Event ID# | nc51214859 |
Additional Information | 2-degree map Google Earth KML (Requires Google Earth.) Waveforms |
For more information, see http://quake.wr.usgs.gov/