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

The Cascadia Subduction Zone, which is a 600-mile-wide fault system extending from Northern California to Vancouver Island, Canada, is the epicenter of a potentially disastrous seismic event. A ...

Coastal communities from northern California to British Columbia live atop the Cascadia Subduction Zone, which spans about ...

The famous 1700 Cascadia earthquake that altered the ... mangrove pond in Northwest Puerto Rico could have come from a megathrust earthquake at the Puerto Rico Trench that occurred between 1470 ...

Pinpointing the evening of January 26th, 1700 as the date and time of ... These maps are for our largest tsunami threat — the Cascadia megathrust earthquake. If you are in the zone, practice ...

The tsunami wave from an anticipated earthquake off the West Coast could reach 100 feet and permanently flood parts of the ...

For decades, scientists have warned about the potential of the Cascadia Subduction Zone, a megathrust fault ... “big one”: an 8.7-magnitude earthquake in 1700. They’ve pieced together ...

The Cascadia megathrust is a massive fault thought ... “There’s evidence that 1700 was such an earthquake.” The data also showed that the segment that extends from southern Vancouver Island ...

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

While Cascadia hasn't produced a great earthquake since 1700, it's only a matter of time ... and her team found lots of variability in the megathrust's structure, which likely means that the ...

"It's giving us the first really detailed look at this huge megathrust ... earthquakes. These help researchers understand the faults and fragmentations deep in the Earth. However, in the Cascadia ...