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 ...

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 ...

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 ...

A massive 8.8 magnitude earthquake shook the Pacific last Wednesday. This was the 6th strongest quake ever recorded, according to the US Geological Survey. The quake’s epicenter was 84 miles southeast ...

The magnitude 8.8 earthquake that struck off Russia's Kamchatka Peninsula on July 29 may have been one of the 10 largest ever recorded on the planet, but it wasn't totally unprecedented. The ...

Many of the world’s biggest earthquakes, volcanic eruptions and tsunamis occur along a chain of seismologically active regions that encircle the Pacific Ocean. By Victoria Kim Hundreds of millions of ...