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Double Glacier description and information


Type:Pleistocene dome remnant
Most Recent Activity:
Seismically Monitored: No
Elevation: 4839 ft (1475 m)
Latitude: 60.716141° N
Longitude:152.66837° W
CAVW Number:313800
Nearby towns:Nikiski 45 mi (72 km) SE
Salamatof 45 mi (73 km) SE
Kenai 49 mi (79 km) SE
Kenai Peninsula Borough 49 mi (79 km) SE
Anchorage 99 mi (159 km) NE
From Reed and others (1992) [1]: "The volcano, located some 175 km southwest of Anchorage, lies in the 94-km-long interval between Redoubt and Spurr volcanoes. * * * The Double Glacier Volcano is exposed as a 2.3-km-long, northwest-trending oval-shaped nunatak surrounded by the Double Glacier. The highest part of the 1.67 km square nunatak is about 430 m above the glacier surface. Although glacial erratics have not been found on the top of the nunatak, it seems likely that the nunatak was covered by ice during one or more of the major glacial events of the Cook Inlet region as described by Schmoll and Yehle (1986) [2].

"Nearby outcrops of basement rock apparently limit the maximum diameter of the volcano to about 3.5 km. A rough estimate of the original volume of volcanic rocks, assuming a cylindrical shape with a diameter of 2.3-3.5 km and a height of 500 m above the present ice surface, is 2-4.8 cubic km. The volume of a cone of the same dimensions would be about 07.-1.6 cubic km. These volumes suggest that DGV is small in comparison to most other Quaternary volcanoes in the Cook Inlet segment which have volumes that range from 15 to 50 cubic km [3]."

“Available K-Ar ages indicate that DGV [Double Glacier Volcano] was active 600-900 ka.”

Double Glacier Volcano, a "new" Quaternary volcano in the eastern Aleutian volcanic arc, 1992
citation imageReed, B. L., Lanphere, M. A., and Miller, T. P., 1992, Double Glacier Volcano, a "new" Quaternary volcano in the eastern Aleutian volcanic arc: Bulletin of Volcanology, v. 54, n. 8, p. 631-637.

Pleistocene glaciation of the upper Cook Inlet basin, 1986
citation imageSchmoll, H.R., and Yehle, L.A., 1986, Pleistocene glaciation of the upper Cook Inlet basin in Glaciation, in Hamilton, T.D, Reed, K.M., and Thorson, R.M., eds., Alaska: The Geologic Record, p. 193-218.

Quaternary volcanism in the Alaska Peninsula and Wrangell Mountains, Alaska, 1994
Miller, T. P., and Richter, D. H., 1994, Quaternary volcanism in the Alaska Peninsula and Wrangell Mountains, Alaska: in Plafker, George, Jones, D. L., and Berg, H. C., (eds.), The Geology of Alaska, Geological Society of America The Geology of North America series v. G-1, p. 759-779.

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