A 700-mile fault could snap by 2075, sinking parts of Portland, Seattle & SF. The Cascadia megaquake may trigger a 100-ft ...

At the same time, King County Superior Court Judge Haydee Vargas gave the Port of Seattle the greenlight to depose Council ...

NEW YORK - By this point, it's clear that the New York Yankees were relaying signs on Thursday night while Seattle Mariners star Andres Munoz was on the mound i ...

The most recent seismic storm at Mount Rainier has hit a new milestone as scientists continue to monitor activity at the ...

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

On Tuesday, hundreds of earthquakes were detected, with depths ranging from 1.2 to 3.7 miles below the summit.

A 300-meter-high tsunami crashing into the US coast might sound like science fiction—but scientists say it's a very real threat. Backed by geological records and advanced AI models, researchers warn ...

Earthquake fault lines crisscross the region Tobin noted numerous fault lines, including the Seattle Fault, the Southern Whidbey Island Fault and the Tacoma Fault, crisscross the region.

While these faults don’t have the potential to produce a mega earthquake, a magnitude 7 close to a city center is still a major threat. The two biggest crustal faults are the Seattle fault and ...

Magnetic data suggest Seattle's fault line formed 55 million years ago, when the southern half of a subducting chain of volcanic islands piled onto the continent and tore apart from the northern half.