{"id":24189,"date":"2024-06-13T10:31:27","date_gmt":"2024-06-13T05:01:27","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=24189"},"modified":"2025-04-07T07:44:51","modified_gmt":"2025-04-07T02:14:51","slug":"cold-lava","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/cold-lava\/","title":{"rendered":"What is Cold Lava?"},"content":{"rendered":"<h2>About Cold Lava:<\/h2>\n<ul>\n<li><strong>Called \u201clahar\u201d<\/strong> in Indonesian, cold lava is a phenomenon that occurs <strong>when rain mixes with volcanic materials<\/strong> like ash, sand, and pebbles.<\/li>\n<li>The mixture forms a <strong>concrete-like substance<\/strong> that destroys everything in its path.<\/li>\n<li><strong>Rain can carry cold lava down the slopes<\/strong> of a volcano during an eruption and into the paths of nearby towns or villages.\u00a0<\/li>\n<li><strong>Unlike traditional lava flows<\/strong>, <strong>which move slowly<\/strong> and give residents time to evacuate, <strong>cold lava can advance rapidly<\/strong>, at a speed of hundreds of kilometres per hour, and spread as far away as 60 km from the volcano.<\/li>\n<li>One of the defining characteristics of cold lava is its ability to <strong>pick up additional debris and sediment as it travels<\/strong> downhill.\n<ul>\n<li>This mixture can <strong>rapidly increase in volume and destructive potential<\/strong>, transforming from a relatively innocuous flow into a powerful force.<\/li>\n<\/ul>\n<\/li>\n<li>It is considered <strong>more destructive and deadlier compared to regular lava flows<\/strong>.\n<ul>\n<li>Its <strong>high density and abrasive nature<\/strong> mean that it can cause significant damage to buildings, bridges, and roads, posing a serious threat to human life and property.<\/li>\n<\/ul>\n<\/li>\n<li>Cold lava <strong>remains hot internally<\/strong> due to chemical reactions within the volcanic material, but <strong>its external appearance and behaviour<\/strong> are <strong>more akin to wet concrete.<\/strong><\/li>\n<li>While it is <strong>commonly associated with volcanic eruptions<\/strong>, lahars can <strong>also occur when no eruption takes place.<\/strong><\/li>\n<\/ul>\n<p>Sometimes, heavy rainfall or snowfall can easily erode and transport fine-grained, loose volcanic sediment and form a slurry, especially if vegetation has not had time to grow back on recent volcanic deposits.<\/p>\n<hr \/>\n<h3>Q1: What is Lava?<\/h3>\n<p>Lava is hot, liquefied rock that flows from a volcano or other opening in the surface of Earth. When the liquid rock is still underground it is known as magma. Igneous rock is formed when lava cools and hardens.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.ndtv.com\/feature\/video-shows-rivers-of-cold-lava-after-volcanic-eruption-in-philippines-5831116\" target=\"_blank\" rel=\"nofollow noopener\">Video Shows Rivers Of Cold Lava After Volcanic Eruption In Philippines<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Called \u201clahar\u201d in Indonesian, cold lava is a phenomenon that occurs when rain mixes with volcanic materials like ash, sand, and pebbles.<\/p>\n","protected":false},"author":5,"featured_media":24190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-24189","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/24189","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=24189"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/24189\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/24190"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=24189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=24189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=24189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}