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 9:17:37 AM (PST) on Tuesday, February 17, 2026.
The magnitude 1.7 event occurred 5 km (3 miles) S of Calistoga, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Tuesday, February 17, 2026 at 9:17:37 AM (PST) Tuesday, February 17, 2026 at 17:17:37 (UTC) |
| Distance from |
Calistoga, CA - 5 km (3 miles) S (191 degrees) Saint Helena, CA - 11 km (7 miles) WNW (288 degrees) Angwin, CA - 13 km (8 miles) WSW (250 degrees) Larkfield-Wikiup, CA - 14 km (9 miles) E (80 degrees) Santa Rosa, CA - 14 km (9 miles) NE (46 degrees) |
| Coordinates | 38 deg. 32.2 min. N (38.536N), 122 deg. 35.4 min. W (122.590W) |
| Depth | 8.81 km (5.50 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=14, Nph=13, Dmin=30.2 km, Rmss=0.21 sec, Erho=5.31 km, Erzz=7.17999983 km, Gp=153 degrees |
| Event ID# | nc75315212 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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