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 5:11:56 AM (PDT) on Tuesday, August 19, 2025.
The magnitude 1.6 event occurred 28 km (17 miles) SW of Rio Dell, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Tuesday, August 19, 2025 at 5:11:56 AM (PDT) Tuesday, August 19, 2025 at 12:11:56 (UTC) |
| Distance from |
Rio Dell, CA - 28 km (17 miles) SW (219 degrees) Ferndale, CA - 31 km (19 miles) S (188 degrees) Hydesville, CA - 33 km (20 miles) SW (214 degrees) Fortuna, CA - 36 km (22 miles) SSW (202 degrees) Redway, CA - 46 km (29 miles) WNW (296 degrees) |
| Coordinates | 40 deg. 18.1 min. N (40.301N), 124 deg. 18.8 min. W (124.313W) |
| Depth | 13.27 km (8.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=3.4 km, Rmss=0.04 sec, Erho=0.98 km, Erzz=0.790000021 km, Gp=217 degrees |
| Event ID# | nc75225787 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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