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 12:54:19 PM (PDT) on Wednesday, August 20, 2025.
The magnitude 1.1 event occurred 8 km (5 miles) WNW of Cobb, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, August 20, 2025 at 12:54:19 PM (PDT) Wednesday, August 20, 2025 at 19:54:19 (UTC) |
| Distance from |
Cobb, CA - 8 km (5 miles) WNW (285 degrees) The Geysers, CA - 9 km (5 miles) NW (324 degrees) Kelseyville, CA - 15 km (10 miles) S (172 degrees) Cloverdale, CA - 18 km (11 miles) ENE (77 degrees) Soda Bay, CA - 18 km (11 miles) S (187 degrees) |
| Coordinates | 38 deg. 50.5 min. N (38.841N), 122 deg. 48.9 min. W (122.815W) |
| Depth | 12.14 km (7.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=18, Nph=18, Dmin=1.7 km, Rmss=0.12 sec, Erho=1.22 km, Erzz=0.699999988 km, Gp=45 degrees |
| Event ID# | nc75226387 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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