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 12:39:46 PM (PDT) on Monday, September 21, 2026.
The magnitude 1.8 event occurred 33 km (20 miles) SSW of Ferndale, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Monday, September 21, 2026 at 12:39:46 PM (PDT) Monday, September 21, 2026 at 19:39:46 (UTC) |
| Distance from |
Ferndale, CA - 33 km (20 miles) SSW (207 degrees) Rio Dell, CA - 35 km (22 miles) SW (234 degrees) Hydesville, CA - 39 km (24 miles) SW (228 degrees) Fortuna, CA - 40 km (25 miles) SW (217 degrees) Humboldt Hill, CA - 50 km (31 miles) SSW (205 degrees) |
| Coordinates | 40 deg. 18.8 min. N (40.313N), 124 deg. 26.3 min. W (124.438W) |
| Depth | 8.55 km (5.30 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=11.3 km, Rmss=0.05 sec, Erho=2.92 km, Erzz=1.25999999 km, Gp=298 degrees |
| Event ID# | nc75439527 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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