Rock fall simulation at Timpanogos Cave National Monument, American Fork Canyon, Utah, USA
Landslides
By: Edwin L. Harp, Richard L. Dart, and Paola Reichenbach
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Abstract
Rock fall from limestone cliffs at Timpanogos Cave National Monument in American Fork Canyon east of Provo, Utah, is a common occurrence. The cave is located in limestone cliffs high on the southern side of the canyon. One fatality in 1933 led to the construction of rock fall shelters at the cave entrance and exit in 1976. Numerous rock fall incidents, including a near miss in 2000 in the vicinity of the trail below the cave exit, have led to a decision to extend the shelter at the cave exit to protect visitors from these ongoing rock fall events initiating from cliffs immediately above the cave exit. Three-dimensional rock fall simulations from sources at the top of these cliffs have provided data from which to assess the spatial frequencies and velocities of rock falls from the cliffs and to constrain the design of protective measures to reduce the rock fall hazard. Results from the rock fall simulations are consistent with the spatial patterns of rock fall impacts that have been observed at the cave exit site.
Suggested Citation
Harp, E.L., Dart, R.L., and Reichenbach, P., 2011, Rock fall simulation at Timpanogos Cave National Monument, American Fork Canyon, Utah, USA: Landslides, v. 8, no. 3, p. 373-379, https://doi.org/10.1007/s10346-010-0251-7.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Rock fall simulation at Timpanogos Cave National Monument, American Fork Canyon, Utah, USA |
| Series title | Landslides |
| DOI | 10.1007/s10346-010-0251-7 |
| Volume | 8 |
| Issue | 3 |
| Publication Date | January 27, 2011 |
| Year Published | 2011 |
| Language | English |
| Publisher | Springer |
| Publisher location | Amsterdam, Netherlands |
| Contributing office(s) | Geologic Hazards Science Center |
| Description | 7 p. |
| First page | 373 |
| Last page | 379 |
| Country | United States |
| State | Utah |
| Other Geospatial | Timpanogos Cave National Monument |