The Cascadia Subduction Zone, stretching from Northern California to Vancouver Island, could trigger a catastrophic ...

The Cascadia Subduction Zone along the Pacific Northwest coast looms large in the scientific and public minds, as it has the ...

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.

Scientists link a magnitude 6.5 earthquake that shook Humboldt Bay, California, 71 years ago to the "locked" Cascadia ...

An earthquake in the Cascadia Subduction Zone with a magnitude greater than 8.0 could cause a sudden subsidence — the sinking of land — that, paired with rising sea levels, would enlarge ...

The world’s most active volcano and earthquake zone is roaring to life, leading to potential of “the big one” – and a ...

A magnitude 3.6 earthquake was recorded at 7:17 p.m. local time on Monday evening, August 18, 2025, around 70 kilometres west ...

A magnitude 2.9 earthquake hit Skagit County just after 1 a.m., shaking areas from Sedro-Woolley to Oak Harbor.

The Pacific Northwest is being taken for a ride. At the Cascadia Subduction Zone—a 700-mile fault that runs all the way from California to British Columbia—two giant tectonic plates are locked ...