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 2:43:53 AM (PST) on Sunday, February 1, 2026.
The magnitude 2.1 event occurred 18 km (11 miles) N of Upper Lake, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.1 - duration magnitude (Md) |
| Time | Sunday, February 1, 2026 at 2:43:53 AM (PST) Sunday, February 1, 2026 at 10:43:53 (UTC) |
| Distance from |
Upper Lake, CA - 18 km (11 miles) N (355 degrees) Nice, CA - 24 km (15 miles) NNW (343 degrees) Redwood Valley, CA - 25 km (15 miles) ENE (74 degrees) North Lakeport, CA - 27 km (17 miles) N (356 degrees) Talmage, CA - 30 km (19 miles) NE (44 degrees) |
| Coordinates | 39 deg. 19.6 min. N (39.327N), 122 deg. 55.7 min. W (122.928W) |
| Depth | 8.11 km (5.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=2.3 km, Rmss=0.13 sec, Erho=0.27 km, Erzz=0.720000029 km, Gp=46 degrees |
| Event ID# | nc75305076 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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