Is the Pacific Northwest Really Overdue for Its Next Big Earthquake?

Many believe the Cascadia Subduction Zone ruptures every 250 years or so, but maybe there’s reason to believe that recurrence interval isn’t all that reliable.

Downtown Seattle from Gas Works Park (Dec. 2020)
Simple linear regression shows the level of unpredictability of intervevent periods.
Relative distances between observed interevent periods and the expected period of 247 years.

Disaster risk scientist assessing climate-related natural hazard risks in the Pacific Northwest. Plus climate adaptation, spatial analysis, & built environment.

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