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 2:39:11 AM (PST) on Sunday, February 1, 2026.
The magnitude 1.6 event occurred 18 km (11 miles) N of Upper Lake, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Sunday, February 1, 2026 at 2:39:11 AM (PST) Sunday, February 1, 2026 at 10:39:11 (UTC) |
| Distance from |
Upper Lake, CA - 18 km (11 miles) N (356 degrees) Nice, CA - 24 km (15 miles) NNW (344 degrees) Redwood Valley, CA - 25 km (15 miles) ENE (73 degrees) North Lakeport, CA - 27 km (17 miles) N (356 degrees) Talmage, CA - 30 km (19 miles) NE (43 degrees) |
| Coordinates | 39 deg. 19.8 min. N (39.330N), 122 deg. 55.6 min. W (122.927W) |
| Depth | 8.79 km (5.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=19, Nph=19, Dmin=2.1 km, Rmss=0.15 sec, Erho=0.41 km, Erzz=0.819999993 km, Gp=83 degrees |
| Event ID# | nc75305071 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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