Landslides

by Robert F. Biek, Peter D. Rowley, and David B. Hacker Southwest Utah contains what may be the largest landslide complex on land in the world. This complex includes three ancient side-by-side gigantic slides that cover an area roughly the...

By: K. M. Harty and M. Lowe The purpose of this study is to evaluate the potential for future movement of the landslides during earthquakes to determine the hazard these features may pose. Goals of the study were to: (1)...

By: S. Hecker This report consolidates and synthesizes information on Quaternary faulting, folding, and volcanism in Utah and characterizes recent tectonic activity throughout the state. The primary purpose is to provide a comprehensive reference on fault-specific seismic sources and surface...

By: H. H. Doelling, F. D. Davis, and C. J. Brandt Kane County, with its 4105 square miles, lies along the south-central margin of Utah and is found in the western part of the Colorado Plateaus physiographic province. It is...

By: M. D. Hylland and M. Lowe The Farmington Siding landslide complex is in Davis County, Utah, about 25 kilometers north of Salt Lake City. The landslide complex covers approximately 19.5 square kilometers and is one of 13 late Pleistocene/Holocene...

By: C. G. Oviatt, J. F. Shroder, and R. E. Sewell The Colorado Plateau is a unique area for the study of Quaternary deposits and processes since it has been the site of continuous stream downcutting, cliff retreat, and landscape...

By: B. N. Kaliser Twenty-four counties in Utah were surveyed in 1983-84 to compile this summary of known geological events related to the 1983 wet year. It is hoped that this summary and the one by Davis will provide a...

By: B. N. Kaliser and J. E. Slossen Geologic consequences of the abnormally wet year of 1983 were unprecedented in number, magnitude, and geographic distribution in the l36-year history of Utah. That year was preceded by an extraordinarily wet 1982...

By: G. E. Christenson, editor Ground shaking and slope failures were the dominant geologic effects associated with the September 2, 1992 St. George earthquake. Ground shaking caused damage to buildings in Hurricane, La Verkin, Washington, St. George, and other. A...

By: W. R. Lund, editorGeologic exposures in the Salt Lake City region record a long history of sedimentation and tectonic activity extending back to the Precambrian Era. Today, the city lies above a deep, sediment-filled basin flanked by two uplifted...

By: Jessica J. Castleton and Ben A. Erickson On August 24, 2019, at approximately 5:30 p.m., a large slab of Navajo Sandstone detached from a vertical cliff face of Cable Mountain above the Weeping Rock area, in Zion National Park,...

By: Greg N. McDonald and Richard E. GiraudThis map presents a landslide inventory for the 2012 Seeley fire area, Carbon and Emery Counties, Utah, at a scale of 1:24,000. The purposes of the map and accompanying geodatabase are to show...

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By: Richard E. Giraud and Greg N. McDonaldThis map presents a landslide inventory for the Big Bear Creek and Seely Creek drainages, Sanpete and Emery Counties, Utah, at a scale of 1:24,000. We used geographic information system (GIS) software to...

By: Richard E. Giraud and Greg N. McDonaldThis map presents a landslide inventory for the Ferron Creek area, Sanpete and Emery Counties, Utah, at a scale of 1:24,000. The purposes of the map and accompanying geodatabase are to show and...

By: Greg N. McDonald and Richard E. GiraudThis map represents a landslide inventory for the upper Muddy Creek area, Sanpete and Sevier Counties, Utah, at a scale of 1:24,000. The map covers 54 square miles on southern part of the...

By: F. X. Ashland, G. N. McDonald, L. M. Shaw, and J. A. Bay Contains a 31-page report and two accompanying plates detailing the results of geologic and geophysical investigations of the Meadow Creek landslide in western Kane County, Utah,...

By: G. Beukelman and B. Erickson During the spring of 2011, five landslides occurred in lower Jesse Ewing Canyon, Daggett County, Utah, along a section of Browns Park Road that was realigned in 2009. Distress to the roadway included blockage...

By: T. R. Knudsen In the morning hours of February 10, 2010, a large rock fall impacted a property at 274 West Main Street in Rockville, Utah. The estimated 450-ton rock fell from the upper slope of Rockville Bench, began...