Ready to participate in the Great Shakeout on Thursday, Oct. 16, at 10:16 a.m.? More than 1.5 million people in Washington ...

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

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

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

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 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 ...

The costs of the new 'alternative plan' are expected to save money over the next 15 years but balloon several billion dollars ...

Since its start in 2011, ShakeOut BC has become the province's largest earthquake drill. The annual campaign takes place ...

Researchers say there are at least three instances in the past 1,500 years when huge ruptures occurred on each rift just ...

Two powerful offshore earthquakes struck the same region in the southern Philippines hours apart on Friday with the first 7.

A subduction zone breaking apart was caught in real time, showing how Earth’s tectonic plates die, detach, and reshape the ...