Back-to-back earthquakes hit the Southern California area less than a minute apart Monday, July 28, the U.S. Geological Survey reported. Each earthquake was about 7 miles deep and hit a little more ...

More than half of the world’s critical mineral resources formed in ancient volcanic systems. When exploring for mineral ...

MELBOURNE, Australia -- A magnitude-6.6 earthquake struck in the South Pacific near the island nation of Samoa on Friday, but ...

There is no tsunami threat to Hawaii after a 6.6 magnitude earthquake was recorded in the Samoa Islands region on Thursday ...