Cascadia Analysis

In 1700, the Pacific Northwest experienced an earthquake and tsunami event that rivals the 2011 Tōhoku, Japan, earthquake and tsunami. A catastrophic earthquake of this magnitude along the Cascadia fault off the coast of Oregon and Washington is estimated to occur every 500 years. To support Federal Emergency Management Agency (FEMA) and local planners, NISAC analyzed the possible direct and cascading impacts from a magnitude 9.0...

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