The impending eruption of Alaska's Mt. Spurr is a timely reminder that, if you live near a volcano, you should be prepared in case it blows. The United States Geological Survey (USGS) says there are ...

Triggering earthquakes and spewing magma and hot ash out of the ground, volcanoes are known for producing some of the most catastrophic natural disasters. These mountains are typically formed by plate ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...