By: magic-gigapans
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 3 Apr 2020
Last Updated: 4 Jun 2020

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The 1959 magnitude-7.5 rupture of the Hebgen Lake Fault was a local disaster. Normal motion on the fault exposed fresh portions of the scarp on the north shore of Hebgen Lake (footwall is Madison Limestone), where this sample of fault breccia was collected. Obverse side of the sample: https://viewer.gigamacro.com/view/rmmGw6iBWLPylpNX