Broadcast Outage: We're investigating a broadcast transmission failure affecting the San Luis Valley from Antonito in the south to Salida in the north. We're working to resolve this issue. You can stream our live broadcast HERE or via the RMPBS+ App.

Stream live and on-demand content now on our new app:
RMPBS+

Help tell more stories in 2026 - make a year-end gift!

Give Now
Overview show's poster
Science and Nature
Overview

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

Overview is a nature series with an unexpected perspective. Breathtaking visuals zoom out to reveal Earth’s grand forces, then dive in to uncover hidden stories. Each episode is a journey of discovery, inviting viewers to see the planet more clearly and from a whole new point of view.

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

Season 2 Episode 7 | 13m 32s | CC

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.

Overview

Watch more episodes

See more
See more

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >