Oregon

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Cascadia Mega-Fault Due to Rupture

January 11, 2012

…sometime in the next 500 years, according to a great blog a couple weeks back by the PSSN’s John Vidale, a regular contributor to their “Seismo Blog” How likely is it to go? Well you’ll have to read his blog that breaks down some of the inputs to evaluating the actual risk factor – which I think he never actually stated…

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Do you know Washington’s four kinds of earthquake sources?

January 11, 2012

Cascadia-Seismic-Zone1 Cascadia Subduction Zone
Example: the 1700 earthquake that caused shaking and a tsunami that inundated the Oregon coast and reached as far as Japan.

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Science & Analysis of Japanese Quake Paints a Grim Message for the Northwest

July 10, 2011

imageOregon and Washington are likely to have a very serious earthquake in future decades, according to a disturbing article in the Oregonian.

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