Back to Show
Overview
Scientists Solve the Mystery of a 300-Year-Old Megaquake
Season 2
Episode 7
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.
Support Provided By
Season
12:24
Can new scientific research help unravel the mystery of Cahokia's disappearance?
16:32
What happened to the once lush, now desert-like Colorado River Delta?
9:31
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
10:06
Sea otters play a vital role in maintaining the balance of sensitive kelp forests.
10:14
Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface.
13:02
Joe visits the world’s largest crane, an engineering feat helping to fight climate change.
9:46
These secret islands of the Everglades might be the key to saving it.
9:46
Could beavers be the ally we’ve been waiting for when it comes to saving the environment?!
7:23
The Bonneville Salt Flats took millions of years to form. We altered it in a century.
9:07
In Chicago a new resident has upended our thinking about cities and the natural world.
11:15
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson!
8:35
Mt. St. Helens Volcano is the site of the world’s newest glacier, one of the few growing.