{"id":51874,"date":"2025-06-26T12:29:07","date_gmt":"2025-06-26T06:59:07","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=51874"},"modified":"2025-06-26T13:40:40","modified_gmt":"2025-06-26T08:10:40","slug":"iliamna-volcano","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/iliamna-volcano\/","title":{"rendered":"Iliamna Volcano"},"content":{"rendered":"<h2 style=\"text-align: justify;\"><b>Iliamna Volcano Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">A recent satellite image showing Alaska\u2019s Iliamna Volcano \u201cready to rumble&#8221; has sparked renewed interest in the snow-covered peak, just as scientists recorded a spike in earthquakes on its slopes.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><b>About Iliamna Volcano<\/b><\/h2>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is located in <\/span><b>southwest Alaska, United States.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It sits in the<\/span><b> Chigmit Mountains<\/b><span style=\"font-weight: 400;\"> within <\/span><b>Lake Clark National Park <\/b><span style=\"font-weight: 400;\">and Preserve.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It soars to 10,016 feet<\/span> <span style=\"font-weight: 400;\">(3,053\u202fm) tall from nearby Cook Inlet.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Iliamna is a <\/span><b>stratovolcano<\/b><span style=\"font-weight: 400;\">, characterised by its steep, conical shape and periodic explosive eruptions.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It <\/span><b>comprises andesite lava flows<\/b><span style=\"font-weight: 400;\"> and <\/span><b>pyroclastic rocks<\/b><span style=\"font-weight: 400;\"> on a <\/span><b>base of Jurassic-era granite.<\/b><span style=\"font-weight: 400;\">\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The volcano is <\/span><b>not a symmetric cone<\/b><span style=\"font-weight: 400;\"> but is made of a <\/span><b>summit peak and four other peaks <\/b><span style=\"font-weight: 400;\">that make a <\/span><b>5-km-long ridge.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Most of the volcano<\/b><span style=\"font-weight: 400;\"> is <\/span><b>covered by perennial snow and ice, <\/b><span style=\"font-weight: 400;\">and <\/span><b>numerous glaciers radiate<\/b><span style=\"font-weight: 400;\"> from the summit area.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Large avalanche deposits occur on the flanks of the volcano, particularly down the Umbrella Glacier on the southwest side of the volcano.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The volcano is <\/span><b>currently considered dormant, <\/b><span style=\"font-weight: 400;\">as the <\/span><b>most recent <\/b><span style=\"font-weight: 400;\">reported <\/span><b>eruption occurred in 1876.<\/b><\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><b>What is a Stratovolcano?<\/b><\/h2>\n<ul style=\"text-align: justify;\">\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a <\/span><b>tall, steep, and cone-shaped<\/b><span style=\"font-weight: 400;\"> type of volcano.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unlike flat shield volcanoes, they have <\/span><b>higher peaks.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are<\/span><b> typically found above subduction zones<\/b><span style=\"font-weight: 400;\">, and they are often <\/span><b>part of large volcanically active regions,<\/b><span style=\"font-weight: 400;\"> such as the<\/span><b> Ring of Fire<\/b><span style=\"font-weight: 400;\"> that frames much of the Pacific Ocean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stratovolcanoes comprise the l<\/span><b>argest percentage (~60%) of the Earth\u2019s individual volcanoe<\/b><span style=\"font-weight: 400;\">s, and most are characterized by <\/span><b>eruptions of andesite and dacite<\/b><span style=\"font-weight: 400;\">, <\/span><b>lavas <\/b><span style=\"font-weight: 400;\">that are <\/span><b>cooler and more viscous than basalt.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">These more viscous lavas allow gas pressures to build up to high levels. Therefore, these volcanoes often suffer e<\/span><b>xplosive eruptions.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They are usually about <\/span><b>half-half lava and pyroclastic material,<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>layering of these<\/b><span style=\"font-weight: 400;\"> products gives them their other <\/span><b>common name of composite volcanoes<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>At the peak,<\/b><span style=\"font-weight: 400;\"> stratovolcanoes<\/span><b> usually have a small crater<\/b><span style=\"font-weight: 400;\">. The crater may be filled with water or ice, or it may contain a volcanic dome during a period of relative inactivity.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><b>Source<\/b><span style=\"font-weight: 400;\">: <\/span><a href=\"https:\/\/www.news18.com\/viral\/satellite-catches-alaska-volcano-stirring-mid-rumble-with-earthquakes-hitting-every-minute-ws-kl-9402464.html\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\">NEWS18<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Iliamna Volcano is a glacier-covered stratovolcano located in southwest Alaska, United States, and is part of the Aleutian volcanic arc. Read more about Iliamna Volcano, Facts, Location, Elevation, Types, Last Eruption, Latest News<\/p>\n","protected":false},"author":23,"featured_media":51904,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[1047,21,22,23],"class_list":{"0":"post-51874","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"tag-iliamna-volcano","9":"tag-prelims-pointers","10":"tag-upsc-current-affairs","11":"tag-upsc-prelims-current-affairs","12":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/51874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=51874"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/51874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/51904"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=51874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=51874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=51874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}