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3.5-magnitude earthquake shakes Rialto, Fontana
A magnitude 3.5 earthquake struck Rialto late Tuesday afternoon, according to the U.S. Geological Survey. The temblor, at 4:54 p.m., hit some 3.7 miles north-northwest of a spot in Rialto and about 4 miles north-northeast of one in Fontana. The depth was recorded at around 4 miles, the USGS reported.
Earthquake with 4.3 magnitude strikes near Fontana
An earthquake with a magnitude of 4.3 struck about 5 miles from Fontana around 9:30 a.m. Wednesday and was felt around Southern California. Some people likely received an early warning from the U.S. Geological Survey’s system. People reported feeling light shaking in Koreatown and Pasadena. Noticeable aftershocks were reported in Riverside.
A preliminary 4.4-magnitude earthquake struck Southern California Thursday morning, according to the U.S. Geological Survey.
A 3.5-magnitude earthquake struck near Fontana, California, on August 5, 2025. Here's what caused it, how common earthquakes are in the region, and a look at Fontana’s seismic history.
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3.5-magnitude earthquake hits near Fontana, USGS says
A 3.5-magnitude earthquake struck near the Fontana area and rattled other parts of the Inland Empire Tuesday afternoon, according to the U.S. Geological Survey. The quake hit at approximately 4:54 p.m ...
Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...
Around 9:32 a.m., a 4.4 magnitude earthquake struck Fontana, according to the United States Geological Survey (USGS). SCV ...
A 6.1 magnitude earthquake rattled Turkey Sunday, according to the United States Geological Survey (USGS) earthquake map. The quake struck at a depth of about 6 miles, or 10 km, just 10 km south of ...
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