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Rock Avalanche

The very rapid downslope flowage of rock fragments, during which the fragments may become further broken or pulverized. Rock avalanches typically result from large rockfalls and rockslides, and their patterns of displacement have led to the term rock-fragment flow (Varnes, 1958). Characteristic features include chaotic distribution of large blocks, flow morphology and internal structure, relative thinness in comparison to large areal extent, high porosity, angularity of fragments, and lobate form. Cf: debris flow. Neuendorf, K.K.E., Mehl, J.P., Jr., and Jackson, J.A., eds., 2005, Glossary of Geology: American Geological Institute, 799 p.

Below is a list of publications related to Rock Avalanche. Select a publication number to access more detailed information and their respective files available for download.

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RI 2019-8 Report Map
Koehler, R.D., Reger, D.R., Spangler, E.R., and Hubbard, T.D., 2019, Assessment of geomorphology and geologic hazards in the Parks Highway-Minto Flats-Dalton Highway infrastructure corridor: Cook Inlet to Prudhoe Bay, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2019-8, 82 p., 4 sheets. http://doi.org/10.14509/30100
IC 65 Report
Stevens, D.S.P., Wolken, G.J., Hubbard, T.D., and Hendricks, K.A., 2018, Landslides in Alaska: Alaska Division of Geological & Geophysical Surveys Information Circular 65, 2 p. http://doi.org/10.14509/29849
RI 2015-1 Report Map Geospatial Data
Suleimani, E.N., Nicolsky, D.J., and Koehler, R.D., 2015, Tsunami inundation maps of Elfin Cove, Gustavus, and Hoonah, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2015-1, 79 p., 3 sheets. http://doi.org/10.14509/29404
RI 2011-7 Report Map Geospatial Data
Nicolsky, D.J., Suleimani, E.N., Combellick, R.A., and Hansen, R.A., 2011, Tsunami inundation maps of Whittier and western Passage Canal, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2011-7, 65 p., 4 sheets. http://doi.org/10.14509/23244

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