Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:12:51 PM (PDT) on Saturday, September 27, 2025.
The magnitude 1.6 event occurred 4 km (3 miles) ESE of Redway, CA.
The hypocentral depth is 22 km (14 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Saturday, September 27, 2025 at 4:12:51 PM (PDT)
Saturday, September 27, 2025 at 23:12:51 (UTC)
Distance from Redway, CA - 4 km (3 miles) ESE (115 degrees)
Rio Dell, CA - 52 km (32 miles) SSE (148 degrees)
Laytonville, CA - 53 km (33 miles) NNW (331 degrees)
Hydesville, CA - 56 km (35 miles) SSE (151 degrees)
Covelo, CA - 57 km (35 miles) NW (308 degrees)
Coordinates 40 deg. 6.3 min. N (40.105N), 123 deg. 46.8 min. W (123.780W)
Depth 22.12 km (13.70 miles)
Quality Excellent
Location Quality Parameters Nst=33, Nph=39, Dmin=0.9 km, Rmss=0.10 sec, Erho=0.23 km, Erzz=0.38 km, Gp=55 degrees
Event ID# nc75242752
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