A Cascadia earthquake will spell trouble for Portland’s water supply. But is there any way to know how bad the shaking will be? Divers explore the protected Bull Run Lake, source of Portland’s water, in search of evidence from past earthquakes that could shed light on how big the “big one” will be for the Portland area.
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Unprepared: An Oregon Field Guide Special Airs Tonight at 8
Join Oregon Field Guide this Thursday for the premiere episode for Season 27. This special focuses on Oregon's preparedness for a major earthquake. Enjoy this preview!
Part of Episode
Oregon Field Guide: Episode #2711
Most Recent Broadcast: February 18, 2016