The Eruption of Mount St. Helens! (1980)

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.

Unfortunately the movie The Eruption of Mount St. Helens! is not yet available on HBO Max.