California sits on some of the most active fault lines in the world — so why hasn’t the big one struck yet? Dive into the ...

The quakes struck near Rialto, Ontario and Lytle Creek in San Bernardino County, producing weak to light shaking, according ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

Earthquakes’ sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but they’re ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

Hurricane Hunters are set to fly to the area off the Southeast coast to investigate the region for possible tropical ...

According to the USGS, shaking was reported across portions of Southern California, including Riverside and San Bernardino.

RIALTO, Calif. (KABC) -- A 3.5-magnitude earthquake struck near Fontana in the Inland Empire Tuesday afternoon, according to the USGS. The quake hit at approximately 4:54 p.m. and was centered about 3 ...

Hidden among 400 Valencia orange trees in a 5-acre grove, the facility’s two telescopes have been used to study the sun for decades.

A view of Pacific Ocean along coastline at Pacifica Municipal Pier in Pacifica, California, United States on July 30, 2025. Tsunami alerts issued at California Coast after magnitude 8.8 earthquake off ...

A proposed earthquake early warning system could have provided several communities an alert of 10 seconds or more ahead of strong shaking from the magnitude 7.3 quake that occurred south of Sand Point ...