Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

A SpaceX spacecraft caused a sonic boom over California as it returned to Earth's atmosphere. The SpaceX Dragon was returning from a supply run to the International Space Station when it broke the ...

The United States has dealt with a flurry of earthquakes this month, raising concerns about "The Big One." Last week, the ...

New spending restrictions for some federal agencies are creating extra hoops for scientists to jump through to fix earthquake ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

California has experienced multiple earthquakes in the last two minutes in an area being closely monitored for a major quake.

Last week, there were reports that a series of small earthquakes were recorded in California that generated a few news headlines. The state is notorious for earthquake activity. It’s estimated that ...

Minor quakes can disrupt natural tectonic patterns deep underground and change stress landscape, new study finds.

Vast, quasi-circular features on Venus's surface may reveal that the planet has ongoing tectonics, according to new research ...

A study in a remote area near the McDowell Sonoran Preserve in Scottsdale shows early indicators of recent earthquake ...