James McCalpin (Crestone)

Senior Geologist / Paleoseismologist

Specialties

Geological Hazards, Geologic Mapping, Quaternary Faulting, Slope Failure Mapping and Analysis

Publications

Publications

Recent

McCalpin, J.P., 2025, Paleoseismology of the Zia fault and its impact on seismic hazard for Albuquerque, New Mexico, USA: Environmental & Engineering Geoscience, Vol. XXXI, No. 1, February 2025, pp. 377–393

Stirewalt, G.L. and McCalpin, J.P., 2025, Foreward to the Special Issue on Geohazards: Environmental & Engineering Geoscience, Vol. XXXI, No. 1, February 2025, pp. 1-2.

Matthews, V.III and McCalpin, J.P, 2024, Land of Ice; Jaunts Into Colorado's Glacial Landscape: Colorado Geological Survey, Special Publication SP-58, Golden, CO, 202 p.

McCalpin, J.P., Ferrario, M.F., Figueiredo, P.M., Livio, F.A., Grützner, C., Pisarska-Jamroży, M., Quigley, M.C., Reicherter, K., Rockwell, T.K., Štěpančíková, P., and Tábořík, P., 2023, New Developments in onshore paleoseismic methods, and their impact on Quaternary tectonic studies. Quaternary International, v. 664, p. 59-76

McCalpin, J.P. and Jones, L.C.A., 2021, The Stillwater Scarp, Central Nevada, USA; Coseismic gravitational failure on a 1200 m-high range-front escarpment: Environmental & Engineering Geoscience, v. XXVII, no. 4, p. 377–393.

McCalpin, J.P. and Gath, E.M., 2021, 50 Years of Paleoseismology; The Science and the Business: AEG News, 64(3):22-25.

McCalpin, J.P., Pavlis, T.L., Jones, L.C.A., Green, D, and Hurtado, J.M., 2021, Tectonic geomorphology and paleoseismology of the northern East Franklin Mountains fault, El Paso, Texas, USA: Quaternary International, v. 598, p.110-122

McCalpin, J.P., 2020, Seismology and geologic hazards in the greater San Luis Valley, in Beeton, J. M., Saenz, C.N. and Waddell, B.J. (eds.), The San Luis Valley: Geology, Ecology, and Human History: University Press of Colorado, Louisville, CO, p. 136-161.

McCalpin, J.P., Gutierrez, F., Bruhn, R.L., Guerrero, J., Pavlis, T.L. and Lucha, P., 2020, Tectonic geomorphology and late Quaternary deformation on the Ragged Mountain Fault, Yakutat Microplate, South Coastal Alaska. Geomorphology, 351(2): doi.org/10.1016/j.geomorph.2019.106875

Baize, S., Nurminen, F., Sarmiento A., Dawson, T., Takao, M., Scotti, O., Azuma, T., Boncio, P., Champenois, J., Cinti, F., Civico, R., Costa, C., Guerrieri, L., Marti, E., McCalpin, J.P., Okumura, K., and Villamor, P., 2019, A Worldwide and Unified Database of Surface Ruptures (SURE) for Fault Displacement Hazard Analyses: Seismol. Res, Lett., Datamine, 16-OCT-2019, doi.org/10.1785/0220190144
Carbonel, D., Gutiérrez, F., Sevila, J., and McCalpin, J.P., 2019, Evaluating Quaternary activity versus inactivity on faults and folds using geomorphological mapping and trenching: Seismic hazard implications: Geomorphology, 338: 43-60.

McCalpin, J.P., Liščák, P., Jelínek, R., Zorba, M.O. and Santacana, N., 2019, Postglacial deformation history of sackungen on the southern slope of Mount Chabenec, Nízke Tatry Mts., Slovakia. Mineralia Slovaka, Bratislava, 51(1):1-30.

McCalpin, J.P. and Corominas, J., 2019, Postglacial deformation history of sackungen on the northern slope of Pic d'Encampadana, Andorra. Geomorphology, 337: 134-150.

McCalpin, J.P., Reicherter, K., Audin, L. and Boulton, S.J. (eds.), 2019, Paleoseismology and Active Faults. Geomorphology, Special Issue, 326:
252 p.

McCalpin, J.P., 2018, Exposure logging, In Bobrowsky P., Marker B. (eds) Encyclopedia of Engineering Geology. Encyclopedia of Earth Sciences Series. Springer International Publishing AG, Switzerland.

McCalpin J.P., 2018, Surface Rupture, In Bobrowsky P., Marker B. (eds) Encyclopedia of Engineering Geology. Encyclopedia of Earth Sciences Series. Springer International Publishing AG, Switzerland.

Interests
& Projects

Interests & Projects

Interests: Quaternary Faults of Colorado 

Projects: 2023-2026, Quaternary faults on the Uncompahgre Plateau 

 

Interests: Geologic mapping of 1:24k Quadrangles for STATEMAP Program 

2023-2024: Bondad Hill quad, La Plata County 

2024-2025: Point Lookout quad, Montezuma County 

2025-2026: Mancos quad, Montezuma County

Education &
Experience

Education & Experience

Education

PhD Geology, Colorado School of Mines, 1981

MS Geology, University of Colorado, 1975

BA Geology, University of Texas, 1972

 

Experience

GEO-HAZ Consulting, Inc., Estes Park and Crestone, CO (1991-2023)

Utah State University, Logan, UT (1982-1991)

Jefferson County (CO) Planning & Zoning Dept., Golden, CO (1981-82)

U.S. Geological Survey, Menlo Park, CA (1976-1978)

 

Certifications

Professional Geologist – Colorado, as defined in C.R.S. 23-41-208

Professional Geologist – Utah PG-5526873-2250

Professional Geologist – Wyoming PG-4254

 

Awards

2022, Association of Engineering Geologists, Best Paper Award (with Allen Jones)

2014, Meritorious Service Award, Environmental & Engineering Geology Division, Geol. Soc. Amer.

2013, Richard Jahns Distinguished Lecturer (Engineering Geology Division, Geological Society of America and Association of Environmental & Engineering Geologists)

2000, E.B. Burwell Award (Engineering Geology Division, Geological Society of America), for outstanding publication in engineering geology (“Paleoseismology”, Academic Press, 1996)

1999, Claire B. Holdredge Award (Association of Engineering Geologists) for book significant to Engineering Geology ("Paleoseismology", Academic Press, 1996).