Jeffrey Coe
I began my career at the USGS in 1988 and joined the Landslide Hazards group in 1996.
Early in my career, I was fortunate to work on an assortment of geologic problems (paleoseismology, structural geology, debris-flow hazards) related to the proposed Yucca Mountain Nuclear Waste Repository in Nevada. I’ve been able to utilize this broad base of experience in the Landslide Hazards group, where I’ve worked on a wide variety of landslide types and topics in the US and abroad. I’m currently the chief of the Landslide Magnitude and Mobility research project based in Golden, CO. My broad research focus is on understanding landslide processes and quantifying landslide hazards. I’m currently interested in gaining a better understanding of the impact that climate change will have on landslide hazards.
Education and Certifications
Kent State University, B.S., 1984, Geology
Colorado School of Mines, M.S., 1995, Geology
Science and Products
Probabilistic Methodology for Estimation of Number and Economic Loss (Cost) of Future Landslides in the San Francisco Bay Region, California
Initiation conditions for debris flows generated by runoff at Chalk Cliffs, central Colorado
Mass Wasting Following the 2002 Missionary Ridge Fire near Durango, Colorado, a Field Trip Guidebook
Field Reconnaissance of Debris Flows Triggered by a July 21, 2007, Thunderstorm in Alpine, Colorado, and Vicinity
Preliminary Assessment of Landslides Along the Florida River Downstream from Lemon Reservoir, La Plata County, Colorado
Rock-fall hazard assessment of Little Mill Campground, American Fork Canyon, Uinta National Forest, Utah
Probabilistic assessment of precipitation-triggered landslides using historical records of landslide occurrence, Seattle, Washington
Topographic map of the active part of the Slumgullion Landslide on July 31, 2000, Hinsdale County, Colorado
Map showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado
Debris flows along the Interstate 70 corridor, Floyd Hill to the Arapahoe Basin ski area, central Colorado: A field trip guidebook
PTCOUNT - a Fortran-77 computer program to calculate the areal distribution of mapped data points using count-circle methodology
Landslides triggered by Hurricane Mitch in Guatemala -- inventory and discussion
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Probabilistic Methodology for Estimation of Number and Economic Loss (Cost) of Future Landslides in the San Francisco Bay Region, California
The Probabilistic Landslide Assessment Cost Estimation System (PLACES) presented in this report estimates the number and economic loss (cost) of landslides during a specified future time in individual areas, and then calculates the sum of those estimates. The analytic probabilistic methodology is based upon conditional probability theory and laws of expectation and variance. The probabilistic methAuthorsRobert A. Crovelli, Jeffrey A. CoeInitiation conditions for debris flows generated by runoff at Chalk Cliffs, central Colorado
We have monitored initiation conditions for six debris flows between May 2004 and July 2006 in a 0.3 km2 drainage basin at Chalk Cliffs; a band of hydrothermally-altered quartz monzonite in central Colorado. Debris flows were initiated by water runoff from colluvium and bedrock that entrained sediment from rills and channels with slopes ranging from about 14° to 45°. The availability of channel maAuthorsJeffrey A. Coe, David Kinner, Jonathan W. GodtMass Wasting Following the 2002 Missionary Ridge Fire near Durango, Colorado, a Field Trip Guidebook
This field trip guide focuses on mass wasting following the 2002 Missionary Ridge fire near Durango, Colorado. We prepared this guide to accompany a May 4, 2006, field trip during the second Roy J. Shlemon Specialty Conference, which was held in Durango, Colorado, May 3-5. The conference, entitled Mass Wasting in Disturbed Watersheds, was sponsored by the Association of Environmental & EngineeringAuthorsErica R. Bigio, Robert W. Blair, Michael Burke, Susan H. Cannon, Victor G. deWolfe, John Ey, Joseph E. Gartner, Mary L. Gillam, N.D. Knowlton, Paul M. Santi, William H. SchulzField Reconnaissance of Debris Flows Triggered by a July 21, 2007, Thunderstorm in Alpine, Colorado, and Vicinity
On the evening of July 21, 2007, a slow-moving thunderstorm triggered about 45 debris flows on steep mountainsides near the community of Alpine, Colorado. Most of the debris flows were initiated by surface-water runoff that eroded and entrained loose sediment in previously existing channels. About 12 of the debris-flow channels were located in the lower half of Weldon Gulch upslope from Alpine, whAuthorsJeffrey A. Coe, Jonathan W. Godt, T.C. Wait, Jason W. KeanPreliminary Assessment of Landslides Along the Florida River Downstream from Lemon Reservoir, La Plata County, Colorado
Nearly two-dozen shallow landslides were active during spring 2005 on a hillside located along the east side of the Florida River about one kilometer downstream from Lemon Reservoir in La Plata County, southwestern Colorado. Landslides on the hillside directly threaten human safety, residential structures, a county roadway, utilities, and the Florida River, and indirectly threaten downstream areasAuthorsWilliam H. Schulz, Jeffrey A. Coe, William L. Ellis, John D. KiblerRock-fall hazard assessment of Little Mill Campground, American Fork Canyon, Uinta National Forest, Utah
No abstract available.AuthorsJeffrey A. Coe, Edwin L. Harp, Arthur C. Tarr, John A. MichaelProbabilistic assessment of precipitation-triggered landslides using historical records of landslide occurrence, Seattle, Washington
Ninety years of historical landslide records were used as input to the Poisson and binomial probability models. Results from these models show that, for precipitation-triggered landslides, approximately 9 percent of the area of Seattle has annual exceedance probabilities of 1 percent or greater. Application of the Poisson model for estimating the future occurrence of individual landslides resultsAuthorsJeffrey A. Coe, J. A. Michael, R. A. Crovelli, William U. Savage, W.D. Nashem, W.T. LapradeTopographic map of the active part of the Slumgullion Landslide on July 31, 2000, Hinsdale County, Colorado
No abstract available.AuthorsJames A. Messerich, Jeffrey A. CoeMap showing alpine debris flows triggered by a July 28, 1999 thunderstorm in the central Front Range of Colorado
This 1:24,000-scale map shows an inventory of debris flows that were triggered above timberline by a thunderstorm in the central Front Range of Colorado. We have classified the debris flows into two categories based on the style of initiation processes in the debris-flow source areas: 1) soil slip, and 2) non-soil slip erosive processes. This map and associated digital data are part of a larger stAuthorsJonathan W. Godt, Jeffrey A. CoeDebris flows along the Interstate 70 corridor, Floyd Hill to the Arapahoe Basin ski area, central Colorado: A field trip guidebook
No abstract available.AuthorsJeffrey A. Coe, Jonathan W. Godt, Alan J. HencerothPTCOUNT - a Fortran-77 computer program to calculate the areal distribution of mapped data points using count-circle methodology
No abstract available.AuthorsWilliam Z. Savage, Jeffrey A. Coe, Ronald E. SweeneyLandslides triggered by Hurricane Mitch in Guatemala -- inventory and discussion
The torrential rains that accompanied Hurricane Mitch in October and November of 1998 triggered thousands of landslides in the moderate to steep terrain bordering the Motagua and Polochic Rivers in eastern Guatemala. Using aerial photographs taken between January and March 2000 we mapped all visible landslides larger than about 15 m in minimum dimension in a study area of 10,000 km2 encomAuthorsRobert C. Bucknam, Jeffrey A. Coe, Manuel Mota Chavarria, Jonathan W. Godt, Arthur C. Tarr, Lee-Ann Bradley, Sharon A. Rafferty, Dean Hancock, Richard L. Dart, Margo L. Johnson - Web Tools
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