Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:07:49 PM (PST) on Sunday, January 4, 2026.
The magnitude 1.2 event occurred 3 km (2 miles) SE of Signal Hill, CA.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Sunday, January 4, 2026 at 7:07:49 PM (PST)
Monday, January 5, 2026 at 3:07:49 (UTC)
Distance from Signal Hill, CA - 3 km (2 miles) SE (126 degrees)
Long Beach, CA - 3 km (2 miles) SE (137 degrees)
Rossmoor, CA - 5 km (3 miles) W (271 degrees)
Seal Beach, CA - 6 km (4 miles) NNW (329 degrees)
Los Alamitos, CA - 6 km (4 miles) WSW (252 degrees)
Coordinates 33 deg. 47.2 min. N (33.786N), 118 deg. 8.3 min. W (118.138W)
Depth 0.82 km (0.50 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=14, Dmin=4.7 km, Rmss=0.21 sec, Erho=0.37 km, Erzz=0.51 km, Gp=95 degrees
Event ID# ci41152207
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