An earthquake rattled the Fontana area on Saturday afternoon, according to the U.S. Geological Survey. The preliminary ...

The two earthquakes, which occurred at magnitudes of 3.5 and 3.4, were separated by six hours and centered just miles outside ...

Two 3.0+ earthquakes were reported in the Inland Empire on Saturday near Fontana, according to the U.S. Geological Survey.

A preliminary 3.5-magnitude earthquake rattled Fontana Saturday afternoon, according to the United States Geological Survey.

But the state regulator — the California Geologic Energy Management Division, or CalGEM — has faced criticism for rushing through approvals of 30 new wells within the setback zone just as the law went ...

The Imperial Valley has been recognized as one of the most unique places for geological study. It may not seem like much to ...