When did Horizon Season 17 Episode 25 air?
Horizon Season 17 Episode 25 aired on December 15, 1980.
Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 17 · Episode 25
Anatomy of a Volcano
Dec 15, 1980·1h
Chronicles the efforts of geologists throughout the summer of 1980 to study the recently erupted volcano Mt. Saint Helens in Washington State, USA.
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How long is Horizon Season 17 Episode 25?
This episode runs for approximately 60 minutes.
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