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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
Explore the life and legacy of notable Black scholar and civil rights pioneer W.E.B. Du Bois.
Cyril and Rosalind discuss his upcoming divorce.
Cyril asks Rosalind to go away for the weekend.
Rosalind surprises Cyril when he shares his plans for their weekend away.
Follow filmmaker Julie Forrest Wyman as she searches for her place in the little people community.
Rosalind faces a troubling domestic issue as Joyce befriends a single mother with placenta previa.
Everyone is talking about the time capsule, including the women of Nonnatus House.
The Turner children are hard at work planning their time capsule.
Sister Catherine finds the perfect way to ensure Nonnatus House is never forgotten.
Phyllis shares a touching time capsule message with Miss Higgins.
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