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 12:18:36 PM (PDT) on Sunday, June 21, 2026.
The magnitude 1.8 event occurred 32 km (20 miles) SW of Rio Dell, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Sunday, June 21, 2026 at 12:18:36 PM (PDT) Sunday, June 21, 2026 at 19:18:36 (UTC) |
| Distance from |
Rio Dell, CA - 32 km (20 miles) SW (226 degrees) Ferndale, CA - 33 km (20 miles) SSW (198 degrees) Hydesville, CA - 37 km (23 miles) SW (221 degrees) Fortuna, CA - 39 km (24 miles) SSW (210 degrees) Humboldt Hill, CA - 50 km (31 miles) SSW (199 degrees) |
| Coordinates | 40 deg. 17.9 min. N (40.298N), 124 deg. 23.0 min. W (124.384W) |
| Depth | 15.60 km (9.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=3.6 km, Rmss=0.08 sec, Erho=1.14 km, Erzz=0.479999989 km, Gp=238 degrees |
| Event ID# | nc75380836 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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