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Scientific Investigations Map 2955

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Data Related to Late Quaternary Surface Faulting on the Sangre de Cristo Fault, Rito Seco Site, Costilla County, Colorado

By Anthony J. Crone, Michael N. Machette, Lee-Ann Bradley, and Shannon A. Mahan

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In this report, we present detailed maps of the trenches and a compilation of field and laboratory data used to support our interpretation of the history of four (PE1–PE4) prehistoric surface-faulting earthquakes at this site.

This map is available from USGS: Maps on Demand.

Version 1.0

Posted January 2007

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