Sediment cores recovered from the Pacific seafloor suggest that megathrust earthquakes along the Cascadia subduction zone may ...

An enormous area of the Earth’s crust has torn and slumped, dropping about 5 kilometers (3 miles). We’ve only just noticed ...

San Andreas, Cascadia faults could combine to produce back-to-back earthquake disasters, new research suggests – Nation and ...

A future mega-earthquake in the Pacific Northwest could lead to the “Big One” along the San Andreas fault in California—or vice versa.

Two earthquakes struck off the Oregon coast on Tuesday, rattling communities along the Pacific Northwest shoreline.

Scientists are raising the alarm about a potential seismic catastrophe on the West Coast of North America. Recent studies ...

For generations, scientists believed that the West Coast’s two great earthquake engines — the Cascadia subduction zone and ...

A specific type of earthquake that can cause particularly intense shaking is more common than previously believed, some ...

A Cascadia subduction zone earthquake is coming for the Pacific Northwest, and when it hits, scientists now believe, it could cause the San Andreas fault in California to go off.

Although Californians are relatively familiar with the San Andreas Fault, the Cascadia Subduction Zone is in many ways more dangerous. That fault, where the Juan de Fuca Plate is subsiding underneath ...

A strong 5.9 magnitude earthquake has struck off the coast of Oregon, the U.S. Geological Survey (USGS) said. The quake struck 142 miles west of the town of Bandon at a shallow depth of just 6 miles, ...

The impact would be doubly as devastating as predictions for the impending ‘Big One’ and leave millions in harm’s way from ...