Skip to Main Content

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

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.
Season 2 Episode 7 Length 13:32 Premiere: 12/13/24

Recent Episodes

Sponsored by:

Season 2 Episodes

Earth's Worst Mass Extinction Is Actually a Warning
S2 E12 Length 08:27 Premiere Date 05/17/25

The Modern City That Was Buried By a Volcano
S2 E11 Length 13:34 Premiere Date 04/26/25

Can We Save Mexico City’s Famous Axolotls?
S2 E10 Length 12:10 Premiere Date 03/29/25

Is This Earth’s Most Treacherous Coastline?
S2 E9 Length 10:48 Premiere Date 02/22/25

Why Crocodiles Are Thriving in the Shadow of A Nuclear Plant
S2 E8 Length 12:13 Premiere Date 01/24/25

Scientists Solve the Mystery of a 300-Year-Old Megaquake
S2 E7 Length 13:32 Premiere Date 12/13/24

What Happened to America’s First Megacity?
S2 E6 Length 12:24 Premiere Date 11/22/24

What happened to the once lush, now desert-like Colorado River Delta?
S2 E5 Length 16:32 Premiere Date 10/18/24

Why This Unusual Pattern May Save the Rainforests
S2 E4 Length 09:34 Premiere Date 09/14/24

How Otters Are Saving Earth’s Underwater Forests
S2 E3 Length 10:06 Premiere Date 08/15/24

Earth’s History Is Hidden in These Strange Maps
S2 E2 Length 10:14 Premiere Date 07/18/24

The Biggest Reason To Feel Hopeful About Climate Change
S2 E1 Length 13:02 Premiere Date 06/20/24

See All Episodes

caret down

TV Schedules

Upcoming

No upcoming airdates

Recent

No recent airdates

Explore KET