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 9:29:18 AM (PST) on Wednesday, January 28, 2026.
The magnitude 1.7 event occurred 21 km (13 miles) NNE (27 degrees) of Upper Lake, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, January 28, 2026 at 9:29:18 AM (PST) Wednesday, January 28, 2026 at 17:29:18 (UTC) |
| Distance from |
Upper Lake, CA - 21 km (13 miles) NNE (27 degrees) Nice, CA - 24 km (15 miles) N (10 degrees) North Lakeport, CA - 29 km (18 miles) NNE (18 degrees) Lakeport, CA - 34 km (21 miles) NNE (17 degrees) Redwood Valley, CA - 36 km (22 miles) ENE (77 degrees) |
| Coordinates | 39 deg. 20.2 min. N (39.336N), 122 deg. 47.9 min. W (122.799W) |
| Depth | 4.38 km (2.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=9.0 km, Rmss=0.39 sec, Erho=0.91 km, Erzz=3.48000002 km, Gp=80 degrees |
| Event ID# | nc75303226 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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