Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 9:00:43 PM (PDT) on Thursday, July 24, 2025.
The magnitude 1.5 event occurred 34 km (21 miles) SW of Rio Dell, CA.
The hypocentral depth is 20 km (12 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Thursday, July 24, 2025 at 9:00:43 PM (PDT) Friday, July 25, 2025 at 4:00:43 (UTC) |
| Distance from |
Rio Dell, CA - 34 km (21 miles) SW (223 degrees) Ferndale, CA - 35 km (22 miles) SSW (196 degrees) Hydesville, CA - 39 km (24 miles) SW (218 degrees) Fortuna, CA - 41 km (25 miles) SSW (207 degrees) Redway, CA - 50 km (31 miles) WNW (290 degrees) |
| Coordinates | 40 deg. 16.5 min. N (40.274N), 124 deg. 22.7 min. W (124.378W) |
| Depth | 19.59 km (12.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=35, Nph=48, Dmin=3.4 km, Rmss=0.12 sec, Erho=0.47 km, Erzz=0.24 km, Gp=245 degrees |
| Event ID# | nc75214757 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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