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GEO-HAZ Consulting, Inc.

Engineering Geology

Environmental Geology

Hazards Assessment & Mitigation

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Draper, UTAH; SunCrest Landslide Investigation

San Pedro River, CHILE; Trenching faults

Prince Rupert, CANADA; mapping coastal faults

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Crested Butte, COLORADO; spring landslides

Snodgrass Mountain, COLORADO: landslide study

Sedalia, COLORADO; fault trenching

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Los Rios Region, CHILE: fault trenching

Central ALASKA: Trans-Alaska Pipeline fault study

San Pedro River, CHILE; dam stability

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Prince Rupert Gas Transmission Pipeline, BRITISH COLUMBIA. Surface faulting study


GEO-HAZ is a small but powerful US-based business that provides a wide range of services in earth science consulting, research, and education. The firm was founded in 1991 by Dr. James P. McCalpin and is currently located in Crestone, Colorado, USA.
GPS coordinates of our headquarters are 37°59'40.82'' N; 105°41' 21.12'' W.


We like to do good science, and we like to have fun doing it.

This website is devoted to the Consulting and Research operations of GEO-HAZ. The Education component is performed by the Crestone Science Center, hosted at