Richard Briggs, USGS, Takes a Close Up Look at the Wall of the Sackungen in the Trench (IMAGE)

Geological Society of America

Richard Briggs, USGS, Takes a Close Up Look at the Wall of the Sackungen in the Trench

Caption

Richard Briggs, USGS, takes a close up look at the wall of the sackungen in the trench. The cracks from the earthquake occurred since deposition of the Peoria loess >11,000 years ago -- the light tan sediment seen here.

Credit

Courtesy of Ryan Gold.

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Courtesy of Ryan Gold.

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