Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:03:12 AM (PDT) on Monday, July 21, 2025.
The magnitude 1.2 event occurred 6 km (4 miles) SSW of Calistoga, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, July 21, 2025 at 7:03:12 AM (PDT) Monday, July 21, 2025 at 14:03:12 (UTC) |
| Distance from |
Calistoga, CA - 6 km (4 miles) SSW (207 degrees) Larkfield-Wikiup, CA - 12 km (8 miles) E (80 degrees) Santa Rosa, CA - 12 km (8 miles) NE (41 degrees) Saint Helena, CA - 13 km (8 miles) WNW (284 degrees) Kenwood, CA - 14 km (9 miles) NNW (337 degrees) |
| Coordinates | 38 deg. 31.9 min. N (38.532N), 122 deg. 36.6 min. W (122.610W) |
| Depth | 4.01 km (2.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=36, Nph=39, Dmin=5.8 km, Rmss=0.07 sec, Erho=0.18 km, Erzz=0.39 km, Gp=107 degrees |
| Event ID# | nc75212907 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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