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Scientists Solve the Mystery of a 300-Year-Old Megaquake

Season 2 Episode 7 | 13m 32s

The 1700 Cascadia earthquake and tsunami was a natural disaster that reshaped the Pacific Northwest. Through tree rings, soil layers and international collaboration, scientists have pieced together the exact timing of the event. As the region braces for another quake, can we prepare in time? Find out how new models and tsunami evacuation towers are helping coastal communities face the threat.

Aired: 12/12/24
Extras
Dr. M. Sanjayan investigates the largest river restoration ever attempted in the United States.
The coming-of-age story and rise of Ashley Chea, a Cambodian American basketball prodigy.
The midwives enter the 1970s, which brings with it new challenges for Nonnatus House.
Lucy investigates Queen Mary I - was she really as bloody as history suggests?
A coronation designed for Kings, presented some problems for the first Queen.
A rare glimpse of Mary as a child from 1552. There's no sign of "Bloody Mary" here?
Appraisal: Georg Jensen Gold Necklace, ca. 1960
Appraisal: 1907 E. William Gollings Oil Painting
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