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

A micro earthquake occurred at 3:49:57 PM (PDT) on Thursday, May 7, 2026.
The magnitude 0.3 event occurred 8 km (5 miles) NNW of Fontana, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Thursday, May 7, 2026 at 3:49:57 PM (PDT)
Thursday, May 7, 2026 at 22:49:57 (UTC)
Distance from Fontana, CA - 8 km (5 miles) NNW (347 degrees)
Devore, CA - 9 km (6 miles) SW (227 degrees)
Rancho Cucamonga, CA - 10 km (6 miles) ENE (64 degrees)
Lytle Creek, CA - 11 km (7 miles) S (169 degrees)
Rialto, CA - 12 km (7 miles) WNW (303 degrees)
Coordinates 34 deg. 9.9 min. N (34.164N), 117 deg. 28.6 min. W (117.477W)
Depth 7.11 km (4.40 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=25, Dmin=5.3 km, Rmss=0.1 sec, Erho=0.26 km, Erzz=0.42 km, Gp=124 degrees
Event ID# ci41458104
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