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 11:04:12 PM (PDT) on Friday, August 22, 2025.
The magnitude 2.0 event occurred 17 km (11 miles) NNW of Upper Lake, CA.
The hypocentral depth is 0.04 km (0.00 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Friday, August 22, 2025 at 11:04:12 PM (PDT) Saturday, August 23, 2025 at 6:04:12 (UTC) |
| Distance from |
Upper Lake, CA - 17 km (11 miles) NNW (335 degrees) Redwood Valley, CA - 19 km (12 miles) ENE (77 degrees) Talmage, CA - 24 km (15 miles) NE (38 degrees) Nice, CA - 24 km (15 miles) NNW (328 degrees) Ukiah, CA - 25 km (16 miles) NE (47 degrees) |
| Coordinates | 39 deg. 18.2 min. N (39.304N), 122 deg. 59.7 min. W (122.995W) |
| Depth | 0.04 km (0.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=23, Nph=23, Dmin=8.5 km, Rmss=0.22 sec, Erho=0.37 km, Erzz=14.4399996 km, Gp=56 degrees |
| Event ID# | nc75227587 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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