{"id":115744,"date":"2026-07-29T11:50:55","date_gmt":"2026-07-29T06:20:55","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=115744"},"modified":"2026-07-29T11:50:55","modified_gmt":"2026-07-29T06:20:55","slug":"kikai-caldera","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/kikai-caldera\/","title":{"rendered":"Kikai Caldera"},"content":{"rendered":"<h2><b>Kikai Caldera Latest News<\/b><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">A vast reservoir of magma beneath Japan&#8217;s Kikai caldera appears to be filling again, offering scientists a rare glimpse into how some of Earth&#8217;s largest volcanoes recover after catastrophic eruptions. <\/span><\/p>\n<h2><b>About Kikai Caldera<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is a massive <\/span><b>submarine caldera <\/b><span style=\"font-weight: 400;\">with three small islands, parts of the caldera rim, that project above sea level.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is located in the<\/span><b><a href=\"https:\/\/vajiramandravi.com\/current-affairs\/east-china-sea\/\" target=\"_blank\"> East China Sea<\/a> <\/b><span style=\"font-weight: 400;\">just south of Kyushu, <\/span><b>Japan<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The caldera is about 19 km in diameter.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">About <\/span><b>7,300 years ago, <\/b><span style=\"font-weight: 400;\">it produced the <\/span><b>largest known volcanic eruption of the Holocene, <\/b><span style=\"font-weight: 400;\">the <\/span><b>current geological epoch<\/b><span style=\"font-weight: 400;\">, which began roughly 11,700 years ago.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">About 150 cubic km of ash erupted. It sent <\/span><b>pyroclastic flows<\/b><span style=\"font-weight: 400;\"> 150 kilometers across the sea and <\/span><b>buried much of Japan <\/b><span style=\"font-weight: 400;\">and the<\/span><b> Korean Peninsula in ash.\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>volcanic explosivity index (VEI)<\/b><span style=\"font-weight: 400;\"> for the eruption was <\/span><b>7 <\/b><span style=\"font-weight: 400;\">(there have <\/span><b>only been three other VEI=7 eruptions in the last 10,000 years).\u00a0<\/b><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It is <\/span><b>still active,<\/b><span style=\"font-weight: 400;\"> producing a scattered array of minor eruptions in recent decades.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400; text-align: justify;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Research has found evidence of<\/span><b> new volcanic activity beneath the Kikai Caldera<\/b><span style=\"font-weight: 400;\">, pointing to the <\/span><b>formation of a lava dome<\/b><span style=\"font-weight: 400;\"> and raising concerns about its potential to erupt again. <\/span><\/li>\n<\/ul>\n<p><b>News<\/b><strong>:<\/strong> <a href=\"https:\/\/www.sciencedaily.com\/releases\/2026\/07\/260725105644.htm\" target=\"_blank\" rel=\"nofollow noopener\"><span style=\"font-weight: 400;\"><strong>SD<\/strong><\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kikai Caldera is a massive submarine caldera with three small islands, parts of the caldera rim, that project above sea level. Read more about Kikai Caldera, Location, Features, Eruptions, Latest News.<\/p>\n","protected":false},"author":23,"featured_media":115788,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[9052],"class_list":["post-115744","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-kikai-caldera","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/115744","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=115744"}],"version-history":[{"count":5,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/115744\/revisions"}],"predecessor-version":[{"id":115780,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/115744\/revisions\/115780"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/115788"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=115744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=115744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=115744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}