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 10:13:29 AM (PDT) on Thursday, September 3, 2026.
The magnitude 1.4 event occurred 4 km (3 miles) SE of Calistoga, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, September 3, 2026 at 10:13:29 AM (PDT) Thursday, September 3, 2026 at 17:13:29 (UTC) |
| Distance from |
Calistoga, CA - 4 km (3 miles) SE (141 degrees) Saint Helena, CA - 8 km (5 miles) NW (305 degrees) Angwin, CA - 9 km (6 miles) WSW (251 degrees) Kenwood, CA - 15 km (9 miles) N (359 degrees) Larkfield-Wikiup, CA - 18 km (11 miles) ENE (77 degrees) |
| Coordinates | 38 deg. 32.9 min. N (38.549N), 122 deg. 32.9 min. W (122.549W) |
| Depth | 3.42 km (2.10 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=13, Nph=12, Dmin=13.3 km, Rmss=0.06 sec, Erho=0.36 km, Erzz=3.54999995 km, Gp=160 degrees |
| Event ID# | nc75429257 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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