Secrets Of The Unknown

Volcanoes

S1 • E25    Dec 2, 1988    22m
"Volcanoes" examines the fiery force some call "messengers from hell." Highlights include footage of the 1980 eruption of Mount St. Helens, which blasted the northern face from the mountain and affected Earth's climate for three years.

Where to Watch Secrets Of The Unknown - S1 • E25

 

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