Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 micro earthquake occurred at 12:52:29 PM (PDT) on Friday, March 28, 2025.
The magnitude 2.2 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Friday, March 28, 2025 at 12:52:29 PM (PDT) Friday, March 28, 2025 at 19:52:29 (UTC) |
| Distance from |
Cobb, CA - 6 km (4 miles) WNW (283 degrees) The Geysers, CA - 7 km (4 miles) NNW (335 degrees) Kelseyville, CA - 17 km (10 miles) SSE (165 degrees) Middletown, CA - 18 km (11 miles) WNW (301 degrees) Lower Lake, CA - 18 km (11 miles) WSW (242 degrees) |
| Coordinates | 38 deg. 50.1 min. N (38.834N), 122 deg. 47.4 min. W (122.790W) |
| Depth | 1.70 km (1.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=35, Nph=34, Dmin=0.5 km, Rmss=0.04 sec, Erho=0.17 km, Erzz=0.25999999 km, Gp=43 degrees |
| Event ID# | nc75156852 |
| Additional Information | Map Did You Feel It? First Motion Focal Mechanism Waveforms |
For more information, see https://earthquake.usgs.gov
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