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Many researchers have chased clues of the last “big one”: an 8.7-magnitude earthquake in 1700. ... Harold Tobin, a co-author of the paper and the director of the Pacific Northwest Seismic ...
Scientists say that the Cascadia subduction zone off the coast of the Pacific Northwest has the potential to spark a magnitude-9.0+ earthquake, plus a subsequent tsunami. That scenario last ...
The most important clue linking the tsunami in Japan and the earthquake in the Pacific Northwest comes from studies of tree rings (dendrochronology), which show that several "ghost forests" of red cedar trees in Oregon and Washington, killed by lowering of coastal forests into the tidal zone by the earthquake, have outermost growth rings that formed in 1699, the last growing season before the ...
One strong line of evidence for these earthquakes is convergent timings for fossil damage from tsunamis in the Pacific Northwest and historical Japanese records of tsunamis. [28] The next rupture of the Cascadia subduction zone is anticipated to be capable of causing widespread destruction throughout the Pacific Northwest. [29]
The Big Dark is a term for winter in the Pacific Northwest. At a latitude of almost 48 degrees north , Seattle has sunsets before 6 PM between October and March, and fewer than nine hours of daylight for many weeks around the winter solstice.
March 2023 was the second-warmest March worldwide on record, but the Pacific Northwest was a rare cool spot. Pacific NW was one of the only places in the world to endure a ‘cold’ March. Here ...
Damaging earthquakes are well known in the Pacific Northwest, including several larger than magnitude 7, most notably the M9 1700 Cascadia earthquake and the M7.0–7.3 earthquake in about 900AD on the Seattle Fault. The M6.5 1965 Puget Sound earthquake shook the Seattle, Washington, area, causing substantial damage and seven deaths. This event ...
For Pacific Northwest windstorms in the 20th century, the runner up was the infamous October 21, 1934, gale, which caused 22 fatalities, mostly in Washington. In less than 12 hours, more than 11 billion board feet (26,000,000 m 3 ) of timber was blown down in northern California, Oregon and Washington combined; some estimates put it at 15 ...