Monday’s early morning earthquake rattled a few nerves and had many Islanders thinking about the 'great' rattlers that have come and gone, as well as the 'big ones' looming ...

Researchers in the Science Advances journal have found a "megathrust fault" that could ... long strip beneath North America ...

The Cascadia subduction zone is locked by friction at depths lower than 18 miles. Strain slowly builds up until the fault’s ...

Tectonic drama at the Cascadia Subduction Zone – as it’s known to those who know – could generate two ferociously destructive things at once: a “megathrust earthquake” and a huge tsunami.

A 4.5 magnitude earthquake struck Monday morning near the Orcas Island in northern Washington state. The temblor occurred at about 5 a.m. and was centered near the Washington-Canada border, about 18 ...

The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate, extends 1100 km from northern California to northern Vancouver Island.

The shakes have left the 'Big One' on many Greater Victorian minds – a megaquake on the boundary between the Juan de Fuca and ...

JAKARTA, Sept. 24 (Xinhua) -- Indonesia, ranked among top 35 countries for natural disaster risk, is actively preparing for potential megathrust earthquakes that could trigger devastating tsunamis.