Most of the U.S. volcanoes that have been making themselves known since spring woke up a bit, shook themselves off and then ...

Seismicity has decreased” from 30 events per hour at the peak to a few per hour as of Saturday morning, the U.S. Geological Survey said Saturday.

Scientists have warned of a 100-foot tsunami that will wash off several feet of the shore in the United States. The doomsday tsunami will be triggered by an earthquake along the Cascadia Subduction ...

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Scientists are warning that a 100-foot, Doomsday-style tsunami is primed to hit the US West Coast at any moment. Yet ...

A doomsday tsunami is likely to strike the US in the near future, but scientists say it's better if it hits sooner rather ...