Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

Extreme heat across the U.S. Southwest will build on Wednesday and is expected to last for several days. In Southern ...

Simulations still can't predict exactly when an earthquake will happen, but with the incredible processing power of modern ...

A groundbreaking study from Virginia Tech warned that three US states are at significant risk of experiencing catastrophic mega-tsunamis in the next 50 years.

A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.