The elephants felt the ground begin to rumble Monday in San Diego, and instinctively went into protective mode.

California was hit by multiple earthquakes on Wednesday, just days after a major 5.2 magnitude quake rocked the state.

Scientists at Caltech are using AI to translate what frequent, small earthquakes can tell us about what’s happening below the ...

A 5.2 magnitude earthquake hit Julian, California, the morning of Monday, April 14. Forty miles away, elephants at a San Diego Zoo felt the quake and rushed to protect the young. The zoo shared ...

A flurry of seismic activity that caused 160 quakes in just two hours at the Laguna del Maule volcanic field in central Chile ...

The quakes were also of low magnitude. The recent seismic swarm underscores the volcano's underlying activity. "These are signs that the volcano is active, it has magma, what's inside is moving ...

Most of these have been concentrated in an area northwest of Florence, which is experiencing what’s known as an earthquake “swarm.” By the time I leave the room, an hour or so later ...