The Cascadia fault line extends over 620 miles through the Puget Sound region, according to the Pacific Northwest Seismic Network. “There are several fault lines that pass under Seattle, and of course ...

Using underwater mapping techniques, scientists have mapped the Cascadia Subduction Zone - a 600-mile fault line extending ...

PORTLAND, Ore. (KOIN) – A new study mapping the Cascadia Subduction Zone is giving scientists clues about the state of the ...

But surprisingly, no one knew about the fault line until 45 years ago, Kathryn Schulz describes in her expansive article for The New Yorker. "The discovery of the Cascadia subduction zone stands ...

Residents are urged to secure household items, maintain emergency kits, and participate in statewide drills such as the Great ...

Earthquake experts say current building codes don’t reflect the riskiest features of the Seattle area’s geology — but the outlook for survivability looks a lot better if the Really Big ...

A string of earthquakes in California last week saw residents urged to 'remain alert' amid warnings bigger tremors could be on the way in a neighbouring state ...

The Cascadia fault line extends over 620 miles through the Puget Sound region, according to the Pacific Northwest Seismic Network. “There are several fault lines that pass under Seattle ...

With Washington’s location along the Cascadia Subduction Zone and several active fault lines in the state, more than 1,000 earthquakes occur in the state each year, according to the Washington ...