They were searching for “1700” — a 9-magnitude temblor that year that shook the land, caused large swaths of the coast to sink down several feet and triggered a tsunami. To find evidence of ...

1700, is nailed down. In 1992, we had a magnitude 7.2 on the southern part of the Cascadia subduction zone right near the corner and that did produce about a three-foot-high tsunami.” ...

And there was the catastrophic mega-tsunami of 1700, originating from a magnitude ... entire sections of the Pacific coastline dropped by as much as 5 feet. In the Pacific Northwest, Native ...

In remembrance of the 325th anniversary of the last time the Cascadia Subduction Zone lost its grip, on Jan. 26, 1700, wreaking havoc on the Oregon Coast, a wave-height rerun about the “Eight of the ...