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 #3: 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 6:43:02 AM (PST) on Saturday, February 21, 2026.
The magnitude 1.8 event occurred 3 km (2 miles) NNE (22 degrees) of Fontana, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.8 - local magnitude (Ml)
Time Saturday, February 21, 2026 at 6:43:02 AM (PST)
Saturday, February 21, 2026 at 14:43:02 (UTC)
Distance from Fontana, CA - 3 km (2 miles) NNE (22 degrees)
Rialto, CA - 7 km (4 miles) WNW (287 degrees)
Bloomington, CA - 8 km (5 miles) NW (323 degrees)
Muscoy, CA - 10 km (6 miles) WSW (251 degrees)
Devore, CA - 11 km (7 miles) SSW (200 degrees)
Coordinates 34 deg. 7.5 min. N (34.125N), 117 deg. 26.7 min. W (117.445W)
Depth 8.34 km (5.20 miles)
Quality Good
Location Quality Parameters Nst=104, Nph=182, Dmin=2.9 km, Rmss=0.19 sec, Erho=0.12 km, Erzz=0.31 km, Gp=14 degrees
Event ID# ci41401080
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