The Seattle fault zone is a network of shallow faults slicing through the lowlands of Puget Sound, threatening to create damaging earthquakes for the more than four million people who live there.

NEW: A simulation of the impact of a ~7.5-magnitude earthquake on the Seattle Fault. Tsunami waves could be as high as 42 feet at the Seattle Great Wheel and will reach inland as far as Lumen ...

The Seattle Fault is one of many beneath the Puget Sound region. A group of faults — known as the Seattle fault zone — runs horizontally between Lake Sammamish and Hood Canal, underneath ...

SEATTLE — New information about how the hazardous Seattle fault zone may have formed could help scientists improve hazard modeling for this densely populated region. More than 4 million people ...

The Seattle Fault has been one of the most active on the West Coast for millions of years — and there’s little indication it’s stopping any time soon.

The Seattle fault bisects the city west to east, from Alki Point in West Seattle, through downtown, along the I–90 corridor and all the way towards Issaquah.

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.

SEATTLE — A new study published in the journal Tectonics reveals new details about how the Seattle fault zone may have developed more than 50 million years ago. According to the study, a rock ...

Using dendrochronology, the science of analyzing tree rings, the team confirmed that between 923 and 924 CE two faults in the Seattle area produced either one large earthquake of magnitude 7.8, or ...

Tsunami waves from a magnitude 7.5 earthquake on the Seattle Fault would only take minutes to reach the greater Seattle area, according to a study released in 2022.

Tsunami waves from a 7.5 earthquake on the Seattle Fault would only take minutes to reach the Seattle area, according to a newly released Washington state study. Skip Navigation.