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 12:33:16 PM (PST) on Monday, February 17, 2025.
The magnitude 1.1 event occurred 15 km (9 miles) NNE (27 degrees) of Angwin, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Monday, February 17, 2025 at 12:33:16 PM (PST) Monday, February 17, 2025 at 20:33:16 (UTC) |
| Distance from |
Angwin, CA - 15 km (9 miles) NNE (27 degrees) Hidden Valley Lake, CA - 21 km (13 miles) SE (128 degrees) Middletown, CA - 22 km (14 miles) ESE (107 degrees) Calistoga, CA - 22 km (14 miles) NE (55 degrees) Saint Helena, CA - 23 km (14 miles) NNE (22 degrees) |
| Coordinates | 38 deg. 41.7 min. N (38.694N), 122 deg. 22.3 min. W (122.372W) |
| Depth | 12.64 km (7.90 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=4, Nph=4, Dmin=7.1 km, Rmss=0.01 sec, Erho=2.7 km, Erzz=7.84000015 km, Gp=173 degrees |
| Event ID# | nc75135317 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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