11:37pm, August 17th, 1959. At that moment lives and landscapes altered irrevocably as a 7.5 magnitude earthquake shook the Yellowstone region. Hebgen Lake, just north of the Park in Montana, was hardest hit. Instantly, an entire moutainside thundered down onto unsuspecting campers in the Madison River Canyon. More than two hundred vactioners trapped in the canyon feared for their lives. And to this day, many remain unaccounted for.
Larry Morris presents a gripping minute-by-minute narration of the event and its aftermath. He interweaves the drama with interviews of survivors, first responders, and family members that anxiously awaited any word of thier loved ones.