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

A micro earthquake occurred at 2:19:29 PM (PST) on Monday, November 3, 2025.
The magnitude 0.3 event occurred 3 km (2 miles) WSW of Bloomington, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Monday, November 3, 2025 at 2:19:29 PM (PST)
Monday, November 3, 2025 at 22:19:29 (UTC)
Distance from Bloomington, CA - 3 km (2 miles) WSW (238 degrees)
Fontana, CA - 6 km (4 miles) SE (146 degrees)
Rubidoux, CA - 7 km (4 miles) NNW (345 degrees)
Glen Avon, CA - 7 km (5 miles) NE (49 degrees)
Rialto, CA - 8 km (5 miles) SW (221 degrees)
Coordinates 34 deg. 3.3 min. N (34.056N), 117 deg. 25.5 min. W (117.424W)
Depth 6.39 km (4.00 miles)
Quality Good
Location Quality Parameters Nst=16, Nph=23, Dmin=3.9 km, Rmss=0.16 sec, Erho=0.31 km, Erzz=0.6 km, Gp=81 degrees
Event ID# ci40480690
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