The Night The Mountain Fell

This is an informative and gripping account of the 1959 Hebgen Lake earthquake, also known as the 1959 Yellowstone earthquake, which struck in southwestern Montana on August 17 at 11:37 pm (MST). The earthquake measured 7.3-7.5 on the Richter magnitude scale and caused a huge landslide, leaving 28 people dead and causing US $11 million (1959) in damage. The slide blocked the flow of the Madison River resulting in the creation of Quake Lake, and effects of the earthquake were also felt in Idaho a