The Eruption of Mount St. Helens! (1980)

The Radar read

A quieter title still finding its audience, though the rating rests on a thin sample, so treat it as provisional.

Synopsis

Originally shown in IMAX theaters, this film presents highly detailed and lavish views of the gorgeous scenery of the Pacific Northwest, both as they appeared before the top 1,300 feet of Mount St. Helens was blown into the sky and during the disaster's dramatic aftermath.

Synopsis and metadata sourced from The Movie Database (TMDB).

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