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 0:22:07 AM (PDT) on Saturday, July 19, 2025.
The magnitude 1.0 event occurred 12 km (8 miles) SE of Middletown, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, July 19, 2025 at 0:22:07 AM (PDT) Saturday, July 19, 2025 at 7:22:07 (UTC) |
| Distance from |
Middletown, CA - 12 km (8 miles) SE (128 degrees) Angwin, CA - 13 km (8 miles) NNW (340 degrees) Calistoga, CA - 14 km (8 miles) NNE (30 degrees) Hidden Valley Lake, CA - 15 km (9 miles) SSE (160 degrees) Saint Helena, CA - 20 km (12 miles) N (352 degrees) |
| Coordinates | 38 deg. 41.0 min. N (38.684N), 122 deg. 30.1 min. W (122.501W) |
| Depth | 4.87 km (3.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=7.9 km, Rmss=0.06 sec, Erho=0.71 km, Erzz=3.25999999 km, Gp=175 degrees |
| Event ID# | nc75211922 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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