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 1:47:34 PM (PDT) on Thursday, July 31, 2025.
The magnitude 1.9 event occurred 26 km (16 miles) WNW of Westhaven-Moonstone, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 1:47:34 PM (PDT) Thursday, July 31, 2025 at 20:47:34 (UTC) |
| Distance from |
Westhaven-Moonstone, CA - 26 km (16 miles) WNW (301 degrees) McKinleyville, CA - 33 km (21 miles) NW (317 degrees) Arcata, CA - 41 km (26 miles) NW (324 degrees) Bayside, CA - 44 km (28 miles) NW (324 degrees) Eureka, CA - 45 km (28 miles) NNW (337 degrees) |
| Coordinates | 41 deg. 10.0 min. N (41.167N), 124 deg. 22.4 min. W (124.373W) |
| Depth | 10.49 km (6.50 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=29.4 km, Rmss=0.04 sec, Erho=4.5 km, Erzz=1.92999995 km, Gp=295 degrees |
| Event ID# | nc75217597 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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