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HEBGEN LAKE QUAKE

Quaking Yellowstone Thermal Features & Earthquakes Earthquake Swarms Hebgen Lake Quake Quake Effects

It sent a mountainside plunging down on Rock Creek Campground, killing 28 people, and broke up the surface of the Earth by as much as 22 feet (6.7 m).

It created a landslide that dammed up the Madison River, forming Quake Lake, and caused millions of dollars of damage.

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