It’s a daunting challenge with the highest possible stakes should an offshore earthquake unleash a wall of incoming seawater.

A massive quake might drop the Pacific Northwest coastline by 6 feet, redrawing flood maps and putting thousands of homes at risk.

Seismic symphonies of minor earthquakes may affect grand movements on major faults.

A single earthquake could cause the Pacific Northwest’s coastline to drop by as much as 6.5 feet in minutes permanently ...

The Cascadia ... of producing megathrust earthquakes exceeding magnitude 9.0, which can, in turn, generate massive tsunamis. The last major earthquake in this zone occurred in 1700, estimated ...

Dura and other experts have begun to worry about "the next big event being imminent" in the Cascadia ... The last event was in 1700, and paleoseismic records show these earthquakes recur roughly ...

The Cascadia fault, where the Juan de Fuca plate slips beneath the North American plate, is capable of producing megathrust ... The last earthquake that occurred on this fault was in 1700, with ...

A major earthquake along a West Coast fault could have catastrophic consequences across coastal Washington, Oregon and northern California. Running offshore from northern California to British ...

The Cascadia Subduction Zone, capable of producing a 9.0 magnitude earthquake, last produced a major quake in 1700. The fault ... slip past each other in a “megathrust” earthquake.