While the 1700 earthquake is what scientists know the most about, they have been able to find evidence of eight to 10 other past Cascadia quakes. These large-scale seismic events seem to happen ...

Anyone who's lived in the Pacific Northwest for any length of time has likely heard of "The Big One." Friday marked the 324th anniversary of the last Great Cascadia earthquake, an estimated 8.7 to ...

The New Yorker shook us up with “The Really Big One,” Kathryn Schulz’s long-form narrative examination of the forthcoming ...

New evidence suggests current estimates about tsunami size and how quickly waves make it to shore may be too high and too ...

The Great Cascadia earthquake struck more than three centuries ago, with a magnitude 9.0. One researcher with the University of Oregon said taking steps now is key.

The 1700 Great Cascadia earthquake was the most recent big quake in the zone. If one similar to it were to occur now, researchers say it would have significant impacts: 10,000 casualties ...

The 1700 Great Cascadia earthquake was the most recent big quake in the zone. If one similar to it were to occur now, researchers say it would have significant impacts: 10,000 casualties ...

Animation shows the tsunami generated by the most 9.0 Cascadia Subduction Zone earthquake, which happened in January of the year 1700. (NOAA) ...

Oregon State University researchers have uncovered new evidence of the impact of the famed 1700 earthquake in the Pacific Northwest. The 9.0 quake and resulting tsunami in the Cascadia subduction ...

The last major earthquake that struck the region was the 1700 Cascadia Earthquake – a magnitude 9.0 quake. According to the USGS, ...