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 5:06:44 AM (PST) on Friday, November 21, 2025.
The magnitude 1.8 event occurred 10 km (6 miles) ENE (66 degrees) of Hidden Valley Lake, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Friday, November 21, 2025 at 5:06:44 AM (PST) Friday, November 21, 2025 at 13:06:44 (UTC) |
| Distance from |
Hidden Valley Lake, CA - 10 km (6 miles) ENE (66 degrees) Lower Lake, CA - 15 km (10 miles) ESE (118 degrees) Middletown, CA - 17 km (11 miles) NE (54 degrees) Clearlake, CA - 20 km (12 miles) SE (130 degrees) Cobb, CA - 23 km (15 miles) E (84 degrees) |
| Coordinates | 38 deg. 50.7 min. N (38.845N), 122 deg. 27.2 min. W (122.454W) |
| Depth | 6.40 km (4.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=3.9 km, Rmss=0.05 sec, Erho=0.48 km, Erzz=0.889999986 km, Gp=120 degrees |
| Event ID# | nc75267161 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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