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 7:04:50 AM (PST) on Sunday, December 21, 2025.
The magnitude 1.5 event occurred 8 km (5 miles) W of Templeton, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Sunday, December 21, 2025 at 7:04:50 AM (PST)
Sunday, December 21, 2025 at 15:04:50 (UTC)
Distance from Templeton, CA - 8 km (5 miles) W (275 degrees)
Atascadero, CA - 13 km (8 miles) NW (304 degrees)
Paso Robles, CA - 13 km (8 miles) SW (233 degrees)
Cayucos, CA - 16 km (10 miles) NE (36 degrees)
Lake Nacimiento, CA - 21 km (13 miles) SSE (158 degrees)
Coordinates 35 deg. 33.4 min. N (35.556N), 120 deg. 47.5 min. W (120.792W)
Depth 4.41 km (2.70 miles)
Quality Good
Location Quality Parameters Nst=22, Nph=22, Dmin=11.3 km, Rmss=0.09 sec, Erho=0.3 km, Erzz=0.839999974 km, Gp=54 degrees
Event ID# nc75284046
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