Stanford University researchers have pulled back a curtain on a hidden part of Earth that rarely makes headlines. Their new work maps a strange kind of earthquake that starts deep below the crust, ...

PORTLAND, Ore. (KOIN) – The Cascadia Subduction Zone is “unusually quiet,” for a megathrust fault, making it more difficult for scientists to understand its behavior and structure. With help from ...

Tokyo, one of the world's most densely populated megacities, sits on a highly active seismic zone where the threat of major earthquakes is ever-present. One of the most destructive aspects of seismic ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.

The East Tennessee earthquake on May 10 was one of the strongest to hit the region since 1900. The East Tennessee Seismic Zone is an active one, even if it isn't known to produce quakes strong enough ...

Deep beneath the Pacific, one undersea fault has produced nearly identical magnitude 6 earthquakes every few years for ...