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 4:13:31 PM (PST) on Tuesday, February 3, 2026.
The magnitude 1.4 event occurred 11 km (7 miles) NNE (20 degrees) of Larkfield-Wikiup, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Tuesday, February 3, 2026 at 4:13:31 PM (PST) Wednesday, February 4, 2026 at 0:13:31 (UTC) |
| Distance from |
Larkfield-Wikiup, CA - 11 km (7 miles) NNE (20 degrees) Calistoga, CA - 11 km (7 miles) WNW (286 degrees) Windsor, CA - 12 km (7 miles) NE (55 degrees) Healdsburg, CA - 14 km (9 miles) E (91 degrees) Santa Rosa, CA - 18 km (11 miles) N (360 degrees) |
| Coordinates | 38 deg. 36.4 min. N (38.607N), 122 deg. 42.4 min. W (122.706W) |
| Depth | 4.65 km (2.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=3.0 km, Rmss=0.02 sec, Erho=0.97 km, Erzz=1.72000003 km, Gp=154 degrees |
| Event ID# | nc75307987 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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