The north shore of Hebgen Lake was submerged when the rock on which it rests dropped down adjacent to the new Hebgen fault scarp. The main residence at Hilgard Lodge dropped off its foundation into the lake and floated to this location.

1959 Hebgen Lake, MT earthquake; magnitude 7.5

Northward tilting of Hebgen Lake submerged the north shore and left these boat docks high and dry along the south shore. This down-dropping of the lakebed caused the waves that overtopped the dam 4 times and continued oscillating 11 1/2 hours.

1959 Hebgen Lake, MT earthquake; magnitude 7.5

Hebgen Lake surrounded these units of Hilgard Lodge on its northeast shore when the basin beneath the lake dropped (subsided) over a large area during the earthquake.

1959 Hebgen Lake, MT earthquake; magnitude 7.5

Driftwood was thrown up onto the road by the seiche (oscillatory waves) in Hebgen Lake.

1959 Hebgen Lake, MT earthquake; magnitude 7.5

The stone firewall at the front entrance to the West Yellowstone Public School collapsed during the ground shaking.

1959 Hebgen Lake, MT earthquake; magnitude 7.5

Click here for page 1 of the 1959 Hebgen Lake, MT earthquake photographs.
Click here for page 2 of the 1959 Hebgen Lake, MT earthquake photographs.
Click here for page 4 of the 1959 Hebgen Lake, MT earthquake photographs.
Click here for page 5 of the 1959 Hebgen Lake, MT earthquake photographs.
Click here for page 6 of the 1959 Hebgen Lake, MT earthquake photographs.
Click here for page 7 of the 1959 Hebgen Lake, MT earthquake photographs.

Return to Hebgen Lake Earthquake Summary.