Days after news broke of the earthquake in Iran's Semnan province, speculation has continued on social media that the tremors ...

California legislators for years have granted extensions on a 1994 law requiring hospitals to retrofit their buildings to ...

The quake was mostly felt in the San Bernardino County cities and areas of Ontario, Rancho Cucamonga, Eastvale and Chino.

A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest ...

The devastating earthquake that hit western Afghanistan's Herat province a year ago was a major challenge for the Taliban.

A magnitude 5.7 earthquake struck near New Zealand's capital city of Wellington, government seismic monitor GeoNet said on ...

A preliminary 4.0-magnitude earthquake struck near Ontario this morning, according to the U.S. Geological Survey.

Be ready to drop, cover and hold on when UC Davis tests its WarnMe emergency communications system as a participant in the ...

A 4.0-magnitude earthquake near Ontario shook the Los Angeles area in California, the U.S. Geological Survey reported. The ...

There were no reports Monday of damage associated with a 4.1 magnitude earthquake about 8 miles east of Dillon, but many ...

Scientists have yet to pinpoint the fault that caused the New Jersey earthquake. Researchers are installing equipment to ...