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 8:33:33 AM (PDT) on Tuesday, September 8, 2026.
The magnitude 1.7 event occurred 21 km (13 miles) SW of Rio Dell, CA.
The hypocentral depth is 31 km (19 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Tuesday, September 8, 2026 at 8:33:33 AM (PDT) Tuesday, September 8, 2026 at 15:33:33 (UTC) |
| Distance from |
Rio Dell, CA - 21 km (13 miles) SW (228 degrees) Ferndale, CA - 23 km (14 miles) S (186 degrees) Hydesville, CA - 26 km (16 miles) SW (221 degrees) Fortuna, CA - 28 km (17 miles) SSW (205 degrees) Humboldt Hill, CA - 40 km (25 miles) SSW (193 degrees) |
| Coordinates | 40 deg. 22.3 min. N (40.372N), 124 deg. 17.6 min. W (124.294W) |
| Depth | 30.88 km (19.20 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=5.6 km, Rmss=0.06 sec, Erho=3.28 km, Erzz=3.36999989 km, Gp=259 degrees |
| Event ID# | nc75431747 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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