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 11:08:56 AM (PDT) on Monday, May 4, 2026.
The magnitude 1.9 event occurred 31 km (19 miles) SW of Rio Dell, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Monday, May 4, 2026 at 11:08:56 AM (PDT) Monday, May 4, 2026 at 18:08:56 (UTC) |
| Distance from |
Rio Dell, CA - 31 km (19 miles) SW (224 degrees) Ferndale, CA - 32 km (20 miles) SSW (195 degrees) Hydesville, CA - 35 km (22 miles) SW (219 degrees) Fortuna, CA - 37 km (23 miles) SSW (207 degrees) Humboldt Hill, CA - 49 km (31 miles) SSW (197 degrees) |
| Coordinates | 40 deg. 18.0 min. N (40.300N), 124 deg. 21.5 min. W (124.358W) |
| Depth | 8.12 km (5.00 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=1.9 km, Rmss=0.05 sec, Erho=1.23 km, Erzz=0.709999979 km, Gp=249 degrees |
| Event ID# | nc75356942 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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