As temperatures across the Midwest tumbled below zero overnight Tuesday into Wednesday, many reported being awakened by the sound of loud booms, cracks and pops. Some even reported feeling tremors.

An earthquake originating from the sea shook Tarakan and its surrounding areas in North Kalimantan on Wednesday evening, .

First quakes are the most dangerous: Once a healed fault ruptures for the first time, it cannot generate another major ...

An earthquake with a magnitude of 4.3 has awakened many people in the San Francisco Bay Area with a sharp jolt ...

More aftershocks are likely following the earthquake off of Port Orford on the Oregon Coast, but no tsunami alerts were issued. A 5.8 magnitude earthquake struck more than 100 miles off the Oregon ...

A 7.4 earthquake that struck near the Philippines was followed by a powerful second quake on Friday, Oct. 10, killing at least seven and damaging buildings, authorities said. The initial quake struck ...