The Cascadia Subduction Zone earthquake last hit the coasts of Oregon, Washington and California in 1700, with an estimated ...

The Philippine Trench is known to cause strong earthquakes with magnitudes above 7.0 along the country's eastern coast, even capable of generating two or more earthquakes within a short period of time ...

New research offers the theory that the San Andreas fault and the Cascadia subduction zone could produce devastating ...

A subduction zone near Cascadia is unraveling piece by piece. The process offers a rare glimpse into how tectonic plates die and form new geological boundaries. With unprecedented clarity, researchers ...

They are two of the West Coast's most destructive generators of huge quakes: the San Andreas fault and the Cascadia ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could ...

When the tectonic subduction zone beneath the Pacific Northwest moves, it does so in dramatic fashion. Not only is ground ...