KSPS Documentaries

Geological Effects

Clip: Special | 6m 38s

Loading Player...

A deep look into how the volcanic eruption affected the physical environment surrounding Mount St. Helens, from mudflows, tidal waves, and landslides.

Aired: 05/17/05 | Rating: NR

Watch Full length

More Extras From This Special

See all Extras

More Specials

See all Specials

You Might Also Like

Browse all

Sign into PBS

By creating an account, you acknowledge that PBS may share your information with our member stations and our respective service providers, and that you have read and understand the Privacy Policy and Terms of Use.

Confirm Your Local Station

To help you find your favorite shows and great local content, we've selected a PBS station in your area.

Please confirm that WETA is your preferred local station, or choose another station below.