Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 12:06:43 PM (PDT) on Friday, August 15, 2025.
The magnitude 1.6 event occurred 29 km (18 miles) E (94 degrees) of Covelo, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Friday, August 15, 2025 at 12:06:43 PM (PDT)
Friday, August 15, 2025 at 19:06:43 (UTC)
Distance from Covelo, CA - 29 km (18 miles) E (94 degrees)
Laytonville, CA - 49 km (31 miles) E (79 degrees)
Rancho Tehama Reserve, CA - 52 km (32 miles) WSW (238 degrees)
Brooktrails, CA - 54 km (34 miles) NE (48 degrees)
Willits, CA - 55 km (34 miles) NE (43 degrees)
Coordinates 39 deg. 46.4 min. N (39.773N), 122 deg. 54.9 min. W (122.915W)
Depth -1.45 km (-0.90 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=26, Dmin=13.3 km, Rmss=0.13 sec, Erho=0.23 km, Erzz=0.8 km, Gp=39 degrees
Event ID# nc75224202
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