{"ranges":[],"parks":[{"title":"Lake Clark National Park and Preserve","canonical":"lake-clark-national-park-and-preserve","link":"/park/lake-clark-national-park-and-preserve.html"}],"districts":[{"country":{"code":"us","name":"USA"},"regions":[{"level":2,"id":"usa","name":"USA","link":"/adm/usa.html"},{"level":4,"id":"alaska","name":"Alaska","link":"/adm/alaska.html"},{"level":6,"id":"kenai-peninsula","name":"Kenai Peninsula","link":"/adm/kenai-peninsula.html"}]}],"countries":[{"code":"US","name":"USA","link":"/adm/usa.html"}],"routes":[],"gettingHere":[],"tags":{"osm_version":"7","alt_name":"Redoubt Volcano","ele":"3108","name":"Mount Redoubt","natural":"volcano","prominence":"2808","source_prominence":"3108-300 (Lake Clark Pass)","wikidata":"Q840735","wikipedia":"https://en.wikipedia.org/wiki/Mount_Redoubt","description":"Redoubt Volcano, or Mount Redoubt (Dena'ina: Bentuggezh K’enulgheli), is an active stratovolcano in the largely volcanic Aleutian Range of the U.S. state of Alaska. Located at the head of the Chigmit Mountains subrange in Lake Clark National Park and Preserve, the mountain is just west of Cook Inlet, in the Kenai Peninsula Borough about 110 miles (180 km) southwest of Anchorage. At 10,197 feet (3,108 m), in just over 5 miles (8.0 km) Mount Redoubt attains 9,150 feet (2,790 m) of prominence over its surrounding terrain. It is the highest summit in the Aleutian Range. In 1976, Redoubt Volcano was designated as a National Natural Landmark by the National Park Service.\nActive for millennia, Mount Redoubt has erupted four times since it was first observed: in 1902, 1966, 1989 and 2009, with two questionable eruptions in 1881 and 1933. The eruption in 1989 spewed volcanic ash to a height of 45,000 ft (13,700 m). It caught KLM Flight 867, a Boeing 747 aircraft, in its plume. After the plane descended 13,000 feet, the pilots restarted the engines and landed the plane safely at Anchorage. The ash blanketed an area of about 7,700 sq mi (20,000 km2). The 1989 eruption is also notable for being the first ever volcanic eruption to be successfully predicted by the method of long-period seismic events developed by Swiss/American volcanologist Bernard Chouet. As of August 2015, the Alaska Volcano Observatory has rated Redoubt as Aviation Alert Level Green and Volcano Alert Level Normal."},"skitours":[],"id":2747492278,"data":{"_id":"2747492278","elevation":[{"id":"alaska-range","nid":"143483035","name":"Alaska Range","type":"MR","level":1,"index":72,"total":376},{"id":"kenai-peninsula","nid":"20000002605325","name":"Kenai Peninsula","type":"ADM","level":6,"index":5,"total":200},{"id":"lake-clark-national-park-and-preserve","nid":"20000003593378","name":"Lake Clark National Park","type":"NP","level":1,"index":2,"total":26}],"prominence":[{"id":"alaska-range","nid":"143483035","name":"Alaska Range","type":"MR","level":1,"index":3,"total":376},{"id":"alaska","nid":"20000001116270","name":"Alaska","type":"ADM","level":4,"index":8,"total":3806},{"id":"usa","nid":"2000000148838","name":"USA","type":"ADM","level":2,"index":13,"total":91437},{"id":"kenai-peninsula","nid":"20000002605325","name":"Kenai Peninsula","type":"ADM","level":6,"index":1,"total":200},{"id":"lake-clark-national-park-and-preserve","nid":"20000003593378","name":"Lake Clark National Park","type":"NP","level":1,"index":1,"total":26}]},"canonicalUrl":"mount-redoubt","type":1,"description":"Redoubt Volcano, or Mount Redoubt (Dena'ina: Bentuggezh K’enulgheli), is an active stratovolcano in the largely volcanic Aleutian Range of the U.S. state of Alaska. Located at the head of the Chigmit Mountains subrange in Lake Clark National Park and Preserve, the mountain is just west of Cook Inlet, in the Kenai Peninsula Borough about 110 miles (180 km) southwest of Anchorage. At 10,197 feet (3,108 m), in just over 5 miles (8.0 km) Mount Redoubt attains 9,150 feet (2,790 m) of prominence over its surrounding terrain. It is the highest summit in the Aleutian Range. In 1976, Redoubt Volcano was designated as a National Natural Landmark by the National Park Service.<br/><br/>Active for millennia, Mount Redoubt has erupted four times since it was first observed: in 1902, 1966, 1989 and 2009, with two questionable eruptions in 1881 and 1933. The eruption in 1989 spewed volcanic ash to a height of 45,000 ft (13,700 m). It caught KLM Flight 867, a Boeing 747 aircraft, in its plume. After the plane descended 13,000 feet, the pilots restarted the engines and landed the plane safely at Anchorage. The ash blanketed an area of about 7,700 sq mi (20,000 km2). The 1989 eruption is also notable for being the first ever volcanic eruption to be successfully predicted by the method of long-period seismic events developed by Swiss/American volcanologist Bernard Chouet. As of August 2015, the Alaska Volcano Observatory has rated Redoubt as Aviation Alert Level Green and Volcano Alert Level Normal.<div id=\"mountain-metrics-description\">By elevation Mount Redoubt is<br/><div class=\"sidebar__hs-color-2\">#&thinsp;72 out of 376 in the Alaska Range<br/>#&thinsp;5 out of 200 in Kenai Peninsula<br/>#&thinsp;2 out of 26 in Lake Clark National Park</div><br/>By prominence Mount Redoubt is<br/><div class=\"sidebar__hs-color-2\">#&thinsp;3 out of 376 in the Alaska Range<br/>#&thinsp;8 out of 3806 in Alaska<br/>#&thinsp;13 out of 91437 in USA<br/>#&thinsp;1 out of 200 in Kenai Peninsula<br/>#&thinsp;1 out of 26 in Lake Clark National Park</div></div>","wikipedia":"https://en.wikipedia.org/wiki/Mount_Redoubt","images":[{"url":"https://wikimedia-commons.fra1.cdn.digitaloceanspaces.com/SD/MtRedoubtedit1.jpg","id":"MtRedoubtedit1","options":["SD","HD"],"location":{"type":"Point","coordinates":[-152.743576,60.48469]},"author":{"url":"https://commons.wikimedia.org/wiki/File%3AMtRedoubtedit1.jpg","nickname":"R. Clucas","license":null}},{"url":"https://wikimedia-commons.fra1.cdn.digitaloceanspaces.com/SD/Redoubt_pre-eruption_2009.jpg","id":"Redoubt_pre-eruption_2009","options":["SD","HD"],"location":{"type":"Point","coordinates":[-152.743576,60.48469]},"author":{"url":"https://commons.wikimedia.org/wiki/File%3ARedoubt_pre-eruption_2009.jpg","nickname":"Heather Bleick, Alaska Volcano Observatory / U.S. Geological Survey","license":null}},{"url":"https://wikimedia-commons.fra1.cdn.digitaloceanspaces.com/SD/Mt._Redoubt2009.jpg","id":"Mt._Redoubt2009","options":["SD","HD"],"location":{"type":"Point","coordinates":[-152.812532,60.509057]},"author":{"url":"https://commons.wikimedia.org/wiki/File%3AMt._Redoubt2009.jpg","nickname":"Chris Waythomas, the Alaska Volcano Observatory, and the US Geological Survey","license":null}},{"url":"https://wikimedia-commons.fra1.cdn.digitaloceanspaces.com/SD/Redoubt_volcano_4-4-09_Game_McGimsey.jpg","id":"Redoubt_volcano_4-4-09_Game_McGimsey","options":["SD","HD"],"location":{"type":"Point","coordinates":[-152.743576,60.48469]},"author":{"url":"https://commons.wikimedia.org/wiki/File%3ARedoubt_volcano_4-4-09_Game_McGimsey.jpg","nickname":"https://www.usgs.gov/atom/14922","license":null}}],"name":"Mount Redoubt","distance":null,"prominence":"2836","eprom":{"parent":{"name":"Denali","location":{"coordinates":[-151.006693,63.069086]},"elevation":"6194","prominence":"6158","canonicalUrl":"denali"},"parDist":301846.78522684146,"nhn":{"name":"Mount Neacola","location":{"coordinates":[-153.399088,60.798641]},"elevation":"3125","prominence":"2754","canonicalUrl":"mount-neacola"},"nhnDist":50012.74299813119,"keycol":{"lat":60.780278,"lng":-152.810556,"dist":33107.24907399233,"name":null},"isolation":49970.28552556446,"ilp":{"lat":60.798333,"lng":-153.398611},"proportionalProminence":"2963"},"categories":[{"code":"ultra","name":"Ultra","sortingWeight":5,"desc":"Mountains with prominence of 1&#x2006;&#x2060;500&#x2006;&#x2060;m / 4&#x2006;&#x2060;921&#x2006;&#x2060;ft or more.","listLink":"/list/ultra-mountains-usa.html"},{"code":"volcano","name":"Volcano","sortingWeight":3,"desc":"Most commonly a conical hill or mountain built around a vent that connects with reservoirs of molten rock below the surface of the Earth.","listLink":null}],"alt":3108,"lat":60.48469,"lng":-152.743576,"formattedCoordinates":"60°29′5″N 152°44′37″W","isVolcano":true}