Mount Kaguyak: Difference between revisions
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| type = [[Stratovolcano]] |
| type = [[Stratovolcano]] |
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| age = |
| age = |
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| volcanic_arc/belt = [[Aleutian Arc]] |
| volcanic_arc/belt = [[Aleutian Arc]]<ref name=aleut/> |
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| last_eruption = 3850 BCE<ref name=gvp/> |
| last_eruption = 3850 BCE<ref name=gvp/> |
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'''Mount Kaguyak''' is a [[stratovolcano]] located in the northeastern part of the [[Katmai National Park and Preserve]] in the U.S. state of [[Alaska]]. The 2.5 |
'''Mount Kaguyak''' is a [[stratovolcano]] located in the northeastern part of the [[Katmai National Park and Preserve]] in the U.S. state of [[Alaska]]. The {{convert|2.5|km|mi}} wide [[caldera]] is filled by a more than 180 m deep [[Volcanic crater lake|crater lake]]. The surface of the crater lake lies about 550 m below the rim of the caldera. Postcaldera [[lava dome]]s form a prominent peninsula in the center of the lake. The volcano is {{convert|901|m|ft|0}} high and is [[Topographic prominence|topographically prominent]] because it rises from lowland areas near sea level in the south of the [[Big River (Alaska)|Big River]]. |
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Based on [[radiocarbon dating]] the caldera-forming eruption occurred about 5800 years [[before present]].<ref name=Fierstein2006/> During this eruption at least {{convert|120|sqkm|sqmi|0|abbr=on}} were covered in a [[dacitic]] [[ignimbrite]].<ref name=Fierstein2006/> |
Based on [[radiocarbon dating]] the caldera-forming eruption occurred about 5800 years [[before present]].<ref name=Fierstein2006/> During this eruption at least {{convert|120|sqkm|sqmi|0|abbr=on}} were covered in a [[dacitic]] [[ignimbrite]].<ref name=Fierstein2006/> |
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== References == |
== References == |
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{{reflist|refs= |
{{reflist|refs= |
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<ref name=avo> |
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{{cite web | title = Kaguyak Crater | publisher = [[Alaska Volcano Observatory]] |
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<ref name=Fierstein2006>{{Cite journal |last=Fierstein |first=Judy |date=2007 |title=Explosive eruptive record in the Katmai region, Alaska Peninsula: an overview |url=https://pubs.er.usgs.gov/publication/70170377 |journal=Bulletin of Volcanology |language=en |volume=69 |issue=5 |pages=469–509 |doi=10.1007/s00445-006-0097-y |issn=1432-0819}}</ref> |
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<ref name=Fierstein2006> |
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{{cite journal | journal = Bulletin of Volcanology |
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| author = Fierstein, Judi | title = Explosive eruptive record in the Katmai region, Alaska Peninsula: an overview |
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| volume = 69 | issue = 5 | pages = 469–509 |
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| doi=10.1007/s00445-006-0097-y}}</ref> |
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<ref name=gvp>{{cite gvp|vn=312250|name=Kaguyak|accessdate=2017-12-24}}</ref> |
<ref name=gvp>{{cite gvp|vn=312250|name=Kaguyak|accessdate=2017-12-24}}</ref> |
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<ref name=aleut>{{cite journal |title=Volcanoes of the Alaska Peninsula and Aleutian Islands, Alaska: selected photographs |url=https://www.usgs.gov/publications/volcanoes-alaska-peninsula-and-aleutian-islands-alaska-selected-photographs |doi=10.3133/ds40 |journal=U.S. Geological Survey Digital Data Series DDS-40 |last1=Neal |first1=Christina A. |last2=McGimsey |first2=Robert G.}}</ref> |
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===Sources=== |
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* {{cite web | url = http://geopubs.wr.usgs.gov/dds/dds-40/ |
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| title = Volcanoes of the Alaska Peninsula and Aleutian Islands-Selected Photographs |
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| publisher = U.S. Geological Survey | work = Digital Data Series DDS-40 |
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| access-date = 18 November 2018}} |
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{{DEFAULTSORT:Kaguyak, Mount}} |
{{DEFAULTSORT:Kaguyak, Mount}} |
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Revision as of 20:25, 16 February 2023
| Mount Kaguyak | |
|---|---|
 Lake filled caldera of Kaguyak, August 1982. | |
| Highest point | |
| Elevation | 2,956 ft (901 m)[1] |
| Listing | List of volcanoes in the United States |
| Coordinates | 58°36′28.8″N 154°1′40.8″W / 58.608000°N 154.028000°W |
| Geography | |
  Mount Kaguyak | |
| Parent range | Aleutian Range |
| Geology | |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | Aleutian Arc[2] |
| Last eruption | 3850 BCE[3] |
Mount Kaguyak is a stratovolcano located in the northeastern part of the Katmai National Park and Preserve in the U.S. state of Alaska. The 2.5 kilometres (1.6 mi) wide caldera is filled by a more than 180 m deep crater lake. The surface of the crater lake lies about 550 m below the rim of the caldera. Postcaldera lava domes form a prominent peninsula in the center of the lake. The volcano is 901 metres (2,956 ft) high and is topographically prominent because it rises from lowland areas near sea level in the south of the Big River.
Based on radiocarbon dating the caldera-forming eruption occurred about 5800 years before present.[4] During this eruption at least 120 km2 (46 sq mi) were covered in a dacitic ignimbrite.[4]
References
- ^ "Kaguyak Crater". Alaska Volcano Observatory. University of Alaska System. Retrieved 2017-12-24.
- ^ Neal, Christina A.; McGimsey, Robert G. "Volcanoes of the Alaska Peninsula and Aleutian Islands, Alaska: selected photographs". U.S. Geological Survey Digital Data Series DDS-40. doi:10.3133/ds40.
- ^ "Kaguyak". Global Volcanism Program. Smithsonian Institution. Retrieved 2017-12-24.
- ^ a b Fierstein, Judy (2007). "Explosive eruptive record in the Katmai region, Alaska Peninsula: an overview". Bulletin of Volcanology. 69 (5): 469–509. doi:10.1007/s00445-006-0097-y. ISSN 1432-0819.
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