The strongest earthquake recorded was magnitude 4.6 at 3:55 p.m. Sunday, at a depth of 14 kilometers (9 miles), the Athens ...

Schools will be closed Monday on the iconic Greek island of Santorini after a series of 200 earthquakes shook the popular ...

The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile ...

The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to people.

A magnitude 5.6 earthquake struck about 58 miles southwest of Unalaska Sunday afternoon. Many locals felt the event, ...

A massive underwater volcano known as Axial Seamount could erupt soon, completely reshaping the floor of the Pacific Ocean.

The history of the island, from the most powerful volcanic eruption ever experienced by the world to the devastating 7.8 ...

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

Poised some 300 miles off the coast of Oregon, one mile beneath the sea, yet rising 3,600 feet high, and spanning 1.2 miles ...

a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile beneath the sea’s surface, has been increasing with hundreds of small earthquakes taking place every day.