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HEBGEN LAKE QUAKE

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

Near midnight on August 17, 1959, the Yellowstone region was rocked by a severe earthquake. This magnitude 7.5 quake was centered near Hebgen Lake, just west of the park. The earthquake dropped portions of the highway into Hebgen Lake.

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