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 4:53:24 AM (PDT) on Tuesday, June 23, 2026.
The magnitude 1.7 event occurred 19 km (12 miles) SSE of Rio Dell, CA.
The hypocentral depth is 19 km (12 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Tuesday, June 23, 2026 at 4:53:24 AM (PDT)
Tuesday, June 23, 2026 at 11:53:24 (UTC)
Distance from Rio Dell, CA - 19 km (12 miles) SSE (147 degrees)
Hydesville, CA - 23 km (14 miles) SSE (156 degrees)
Redway, CA - 30 km (19 miles) NNW (333 degrees)
Fortuna, CA - 30 km (19 miles) SSE (151 degrees)
Ferndale, CA - 34 km (21 miles) SE (136 degrees)
Coordinates 40 deg. 21.5 min. N (40.359N), 123 deg. 59.1 min. W (123.985W)
Depth 19.04 km (11.80 miles)
Quality Good
Location Quality Parameters Nst=11, Nph=11, Dmin=5.8 km, Rmss=0.08 sec, Erho=0.5 km, Erzz=1.74000001 km, Gp=121 degrees
Event ID# nc75382076
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