{"id":72114,"date":"2026-09-05T10:59:00","date_gmt":"2026-09-05T10:59:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=72114"},"modified":"2026-09-06T03:07:02","modified_gmt":"2026-09-06T03:07:02","slug":"eruption-of-anak-krakatau-in-indonesia","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/72114","title":{"rendered":"Eruption of Anak Krakatau in Indonesia"},"content":{"rendered":"\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/09\/260904_260905_himawari9_ashRGB_Krakatau_anim.mp4\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>10-minute Himawari-9 Ash RGB images, from 1500 UTC on 04 September to 0620 UTC on 05 September<\/em><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.jma.go.jp\/jma\/indexe.html\">JMA<\/a><\/strong> Himawari-9 <strong><a href=\"https:\/\/rammb2.cira.colostate.edu\/wp-content\/uploads\/2020\/01\/GOES_Ash_RGB-1.pdf\">Ash RGB<\/a><\/strong> images created using <strong><a href=\"https:\/\/www.ssec.wisc.edu\/software\/geo2grid\/\">Geo2Grid<\/a><\/strong> <strong><em>(above)<\/em><\/strong> showed a major eruption of Anak Krakatau in Indonesia, which began around 1620 UTC on 04 September 2026. A lower-altitude ash cloud (depicted by shades of magenta) remained closer to the volcano &#8212; while a higher-altitude SO<sub>2<\/sub> cloud (shades of yellow-green) moved rapidly west-southwestward. <\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-bluesky-social wp-block-embed-bluesky-social\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"bluesky-embed\" data-bluesky-uri=\"at:\/\/did:plc:54p7tmjjko2ek3yzuvareiwr\/app.bsky.feed.post\/3murmgbsnts2j\" data-bluesky-cid=\"bafyreibpqzculdgmkfq33pqtjrbifedxfcvzve32uhlag3c6pnpyqfsqvi\"><p lang=\"en\">Large #eruption of #Krakatau #volcano (#Indonesia) started at ~16:30 UTC on Sept 4, and is continuing as of 13:00 UTC on Sept 5. #NOAA-20 OMPS satellite data showing injection of ~0.2 Tg SO? into the upper troposphere by 06:50 UTC on Sep 5.<\/p>&mdash; <a href=\"https:\/\/bsky.app\/profile\/did:plc:54p7tmjjko2ek3yzuvareiwr?ref_src=embed\">Prof. Simon Carn (@simoncarn.bsky.social)<\/a> <a href=\"https:\/\/bsky.app\/profile\/did:plc:54p7tmjjko2ek3yzuvareiwr\/post\/3murmgbsnts2j?ref_src=embed\">2026-09-05T13:45:18.892Z<\/a><\/blockquote><script async src=\"https:\/\/embed.bsky.app\/static\/embed.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">After sunrise on 05 September, Himawari-9 True Color RGB images <em><strong>(below)<\/strong><\/em> showed the lower-altitude ash cloud as shades of brown, with pulses of higher-altitude volcanic cloud (a mixture of water vapor, ash and SO<sub>2<\/sub>) moving quickly westward away from the volcano. The lower-altitude ash caused the suspension of numerous flights at Jakarta International Airport (located east of the volcano).<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay controls loop muted src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/images\/2026\/09\/260905_himawari9_trueColorRGB_Krakatau_anim.mp4\" playsinline><\/video><figcaption class=\"wp-element-caption\"><em>10-minute Himawari-9 True Color RGB images, from 0000-1000 UTC on 05 September<\/em><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>JMA Himawari-9 Ash RGB images created using Geo2Grid (above) showed a major eruption of Anak Krakatau in Indonesia, which began around 1620 UTC on 04 September 2026. A lower-altitude ash cloud (depicted by shades of magenta) remained closer to the volcano &#8212; while a higher-altitude SO2 cloud (shades of yellow-green) moved rapidly west-southwestward. After sunrise [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":72116,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132,73,45,9],"tags":[],"class_list":["post-72114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-geo2grid","category-himawari-9","category-redgreenblue-rgb-images","category-volcanic-activity"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/72114","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=72114"}],"version-history":[{"count":10,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/72114\/revisions"}],"predecessor-version":[{"id":72125,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/72114\/revisions\/72125"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/72116"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=72114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=72114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=72114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}