Mount Emmons
is a post-caldera
stratovolcano
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and peri ...
within the Emmons Lake
caldera
A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...
on the
Alaska Peninsula
The Alaska Peninsula (also called Aleut Peninsula or Aleutian Peninsula, ale, Alasxix̂; Sugpiaq: ''Aluuwiq'', ''Al'uwiq'') is a peninsula extending about to the southwest from the mainland of Alaska and ending in the Aleutian Islands. The ...
within the
Lake and Peninsula Borough
Lake and Peninsula Borough (russian: Лейк-энд-Пенинсула, ''Leyk-end-Peninsula'') is a Borough (United States)#Alaska, borough in the U.S. state, state of Alaska. As of the 2020 United States census, 2020 census, the population wa ...
,
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...
,
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
.
Description
The summit is one of three cones constructed within the caldera, which also contains an elongated
crater lake
Crater Lake ( Klamath: ''Giiwas'') is a volcanic crater lake in south-central Oregon in the western United States. It is the main feature of Crater Lake National Park and is famous for its deep blue color and water clarity. The lake partly fill ...
on its southwest side.
[
The most recent of several caldera-forming eruptions at Emmons Lake occurred more than 10,000 years ago. No historical eruptions have occurred at Emmons Lake.
The peak is located within the ]Alaska Peninsula National Wildlife Refuge
The Alaska Peninsula National Wildlife Refuge is a United States National Wildlife Refuge in southwestern Alaska whose use is regulated as an ecological-protection measure. It stretches along the southern coast of the Alaska Peninsula, between th ...
.[
]
See also
* List of mountain peaks of Alaska
This article comprises three sortable tables of major mountain peaksThis article defines a significant summit as a summit with at least of topographic prominence, and a major summit as a susexxleast of topographic prominence. All summits ...
References
External links
Mountains of Alaska
Aleutian Range
Volcanoes of Alaska
VEI-6 volcanoes
Volcanic crater lakes
Volcanoes of Aleutians East Borough, Alaska
Calderas of Alaska
Mountains of Aleutians East Borough, Alaska
Stratovolcanoes of the United States
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