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Frosty Peak, the youngest of two large volcanic structures of the Cold Bay Volcanic Center, is the westernmost Holocene volcano on the Alaska Peninsula, SW of the village of Cold Bay. This symmetrical late-Pleistocene to Recent stratovolcano is constructed within one of two coalescing craters. The western wall of the ice-filled northern crater is breached by a large valley glacier. The symmetrical summit cone rises about 600 m above the floor of the southern crater. The oldest products of the roughly 100 cu km Cold Bay complex form the late-Pliocene to early Pleistocene Morzhovoi Volcanics at the southern end of the complex. Morzhovoi is an extensively eroded basaltic-to-andesitic stratovolcano with long U-shaped valleys extending from a central caldera. Only remnants of the volcano remain, with isolated peaks, such as North and South Walrus Peaks, that are fragments of the original caldera rim.
The Global Volcanism Program is not aware of any Holocene eruptions from Frosty. If this volcano has had large eruptions (VEI >= 4) prior to 10,000 years ago, information might be found on the Frosty page in the LaMEVE (Large Magnitude Explosive Volcanic Eruptions) database, a part of the Volcano Global Risk Identification and Analysis Project (VOGRIPA).
This compilation of synonyms and subsidiary features may not be comprehensive. Features are organized into four major categories: Cones, Craters, Domes, and Thermal Features. Synonyms of features appear indented below the primary name. In some cases additional feature type, elevation, or location details are provided.
|Cold Bay Volcanic Center|
|Feature Name||Feature Type||Elevation||Latitude||Longitude|
|Morzhovoi||Stratovolcano||893 m||55° 0' 0" N||162° 49' 0" W|
|Frosty volcano is the youngest of two large volcanic structures of the Cold Bay volcanic complex, about 15 km SW of Cold Bay at the tip of the Alaska Peninsula. Frosty Peak is a symmetrical late-Pleistocene to Holocene stratovolcano that is constructed within the southernmost of two coalescing craters and forms the high point of the volcanic complex.
Photo by Christina Neal, 1997 (Alaska Volcano Observatory, U.S. Geological Survey).
The following references have all been used during the compilation of data for this volcano, it is not a comprehensive bibliography. Discussion of another volcano or eruption (sometimes far from the one that is the subject of the manuscript) may produce a citation that is not at all apparent from the title.
Brophy J G, 1987. The Cold Bay volcanic center, Aleutian volcanic arc. II. Implications for fractionation and mixing mechanism in calc-alkaline andesite genesis. Contr Mineral Petr, 97: 378-388.
Henning R A, Rosenthal C H, Olds B, Reading E (eds), 1976. Alaska's volcanoes, northern link in the ring of fire. Alaska Geog, 4: 1-88.
IAVCEI, 1973-80. Post-Miocene Volcanoes of the World. IAVCEI Data Sheets, Rome: Internatl Assoc Volc Chemistry Earth's Interior..
Motyka R J, Liss S A, Nye C J, Moorman M A, 1993. Geothermal resources of the Aleutian arc. Alaska Div Geol Geophys Surv, Prof Rpt, no 114, 17 p and 4 map sheets.
Myers J D, 1994. The Geology, Geochemistry and Petrology of the recent Magmatic Phase of the Central and Western Aleutian Arc. Unpublished manuscript, unpaginated.
Smith R L, Shaw H R, Luedke R G, Russell S L, 1978. Comprehensive tables giving physical data and thermal energy estimates for young igneous systems of the United States. U S Geol Surv Open-File Rpt, 78-925: 1-25.
Waldron H H, 1961. Geological reconnaissance of Frosty Peak volcano and vicinity, Alaska. U S Geol Surv Bull, 1028-T: 677-708.
Wood C A, Kienle J (eds), 1990. Volcanoes of North America. Cambridge, England: Cambridge Univ Press, 354 p.