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

A major California fault once thought to be stable is quietly shifting beneath neighborhoods, schools, and it could lead to a ...

A swarm of earthquakes has struck Southern California near a major fault line that could unleash the infamous 'Big One' and ...

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

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

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north ...

America’s national parks are renowned for their stunning landscapes and unique ecosystems. However, many of these parks are also located in geologically active regions, making them susceptible to ...

Sometimes, the plate can become stuck or move abruptly. The movement of the underlying plate over the overlying continental plate causes earthquakes, which are caused by subduction zone earthquakes.

So, could a monster earthquake actually sink parts of the Pacific Northwest? The unsettling answer is: yes. Maybe not the whole coastline, but enough to change maps, destroy towns, and leave certain ...

A once-every-500-years earthquake in the Pacific Northwest could shake for five minutes and cause 100-foot tsunami waves. New research says that would be just the start of the horrors.

Something very strange appears to be happening deep, deep beneath the Midwest and Ohio Valley. North America’s geological core has persisted for billions of years—it’s what scientists call a ...

Ring of Fire: countries constantly struck by volcanic eruptions and earthquakes THIS is the reason Japan and New Zealand are repeatedly struck by powerful earthquakes. And it’s just warming up.