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 8:46:19 AM (PST) on Tuesday, February 17, 2026.
The magnitude 1.2 event occurred 8 km (5 miles) SSE of Middletown, CA.
The hypocentral depth is 4 km ( 3 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Tuesday, February 17, 2026 at 8:46:19 AM (PST) Tuesday, February 17, 2026 at 16:46:19 (UTC) |
| Distance from |
Middletown, CA - 8 km (5 miles) SSE (168 degrees) Calistoga, CA - 11 km (7 miles) N (353 degrees) Hidden Valley Lake, CA - 14 km (9 miles) SSW (193 degrees) Angwin, CA - 17 km (11 miles) NW (313 degrees) The Geysers, CA - 18 km (11 miles) SE (127 degrees) |
| Coordinates | 38 deg. 40.9 min. N (38.681N), 122 deg. 35.7 min. W (122.595W) |
| Depth | 4.35 km (2.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=5, Nph=5, Dmin=20.9 km, Rmss=0.02 sec, Erho=3.87 km, Erzz=7.48999977 km, Gp=201 degrees |
| Event ID# | nc75315202 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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