The bold question-askers at What If examine the nearly impossible fault line conditions needed to trigger a magnitude 20 ...

Scientists detected a slow-motion earthquake off Japan, offering rare insight into hidden faults and tsunami risks beneath ...

A preliminary 2.6 magnitude earthquake struck east of San Jose Tuesday morning, according to the United States Geological Survey.

Landslides have stopped trains from traveling through San Clemente for months at a time in recent years. The tracks follow the edge of the beach for about six miles there, where the rails are ...

When the island of Santorini was rattled by thousands of small earthquakes earlier this year, many people were left mystified ...

From old cars, photos, and an earthquake simulator, Santa Barbara residents and visitors got to step into the past and peek ...