{"id":41762,"date":"2022-09-26T06:43:32","date_gmt":"2022-09-26T06:43:32","guid":{"rendered":"https:\/\/blogs.agu.org\/landslideblog\/?p=41762"},"modified":"2022-09-26T06:43:32","modified_gmt":"2022-09-26T06:43:32","slug":"jagersfontein-tailings-dam-failure-planet","status":"publish","type":"post","link":"https:\/\/blogs.agu.org\/landslideblog\/2022\/09\/26\/jagersfontein-tailings-dam-failure-planet\/","title":{"rendered":"High resolution satellite imagery of the Jagersfontein tailings dam failure"},"content":{"rendered":"<h4>High resolution satellite imagery of the Jagersfontein tailings dam failure<\/h4>\n<p><a href=\"https:\/\/www.planet.com\/gallery\/#!\/post\/tailings-pond-failure\">Planet Labs has released a high resolution (SkySat) image<\/a> of the<a href=\"https:\/\/blogs.agu.org\/landslideblog\/2022\/09\/15\/jagersfontein-tailings-storage-facility-4\/\"> Jagersfontein tailings dam failure<\/a>:-<\/p>\n<div id=\"attachment_41765\" style=\"width: 810px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-41765\" class=\" wp-image-41765\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2022\/09\/22_09-Jagersfontien-17.jpg\" alt=\"Planet Labs SkySat image of the 11 September 2022 Jagersfontein tailings dam failure. Image copyright Planet Labs,\" width=\"800\" height=\"589\" srcset=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2022\/09\/22_09-Jagersfontien-17.jpg 852w, https:\/\/blogs.agu.org\/landslideblog\/files\/2022\/09\/22_09-Jagersfontien-17-300x221.jpg 300w, https:\/\/blogs.agu.org\/landslideblog\/files\/2022\/09\/22_09-Jagersfontien-17-768x565.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><p id=\"caption-attachment-41765\" class=\"wp-caption-text\"><em>Planet Labs SkySat image of the 11 September 2022 Jagersfontein tailings dam failure. Image copyright <a href=\"https:\/\/www.planet.com\/gallery\/#!\/post\/tailings-pond-failure\">Planet Labs<\/a>, released under a Creative Commons licence.<\/em><\/p><\/div>\n<p>.<\/p>\n<p>As always the image is beautiful (although the subject is grim), showing the major breach on the eastern end of the southern edge of facility, plus the other locations of major erosion (which remain unexplained).\u00a0 Note also the inundated houses.<\/p>\n<p>Meanwhile the <a href=\"https:\/\/www.nytimes.com\/2022\/09\/23\/us\/south-africa-diamond-mine-collapse.html\">New York Times has a detailed and excellent article about the breach<\/a>.\u00a0 Interestingly, it reports that a crack was spotted in the facility at 2 am on the day of the collapse:-<\/p>\n<p class=\"css-at9mc1 evys1bk0\"><em>At about 2 a.m. on Sunday, Sept. 11, a truck driver at the dam spotted a crack in the facade, several workers there that day said in interviews. The driver reported it to a foreman, who checked it out but did not do anything, the workers said.<\/em><\/p>\n<p class=\"css-at9mc1 evys1bk0\"><em>Joe Makalajane, a pan operator at the mine, did not see the crack himself but spoke to the driver as they were ending their shift, he said.<\/em><\/p>\n<div class=\"css-s99gbd StoryBodyCompanionColumn\">\n<div class=\"css-53u6y8\">\n<p class=\"css-at9mc1 evys1bk0\"><em>\u201cHe said, \u2018I\u2019ll tell you, that thing is going to blast,\u2019\u201d said Mr. Makalajane, 45, recalling his conversation. Of management, he added, \u201cThey didn\u2019t take it seriously.\u201d<\/em><\/p>\n<\/div>\n<aside class=\"css-ew4tgv\" aria-label=\"companion column\"><\/aside>\n<\/div>\n<div>\n<div class=\"css-8atqhb\"><em>Mr. de Villiers and Johan Combrink, the plant manager, denied that there was any report of a crack early that morning.<\/em><\/div>\n<\/div>\n<p>It has been widely reported that the Jagersfontein tailings dam was owned by <a href=\"https:\/\/www.stargemsgroup.com\/\">Stargems<\/a>, and indeed there are <a href=\"https:\/\/www.miningmx.com\/news\/diamonds\/50736-jagersfontein-mine-owner-stargems-says-tailings-facility-wassafe-and-secure\/\">quotes online from the company about the facilit<\/a>y.\u00a0 It is remarkable though that the <a href=\"https:\/\/www.stargemsgroup.com\/news-1\">news section of the their website appears to lack any information about the failure<\/a>.<\/p>\n<p>Previous tailings dam failures have been investigated by independent teams, with the outcomes being published openly.\u00a0 <a href=\"http:\/\/www.b1technicalinvestigation.com\/report.html\">An example is the C\u00f3rrego do Feij\u00e3o tailings dam failure at Brumandinho in Brazil<\/a>.\u00a0 I have still to see a commitment to a similar level of transparency in the case of the Jagersfontein tailing dam failure.\u00a0 Interestingly, t<a href=\"https:\/\/www.gov.za\/speeches\/statement-virtual-cabinet-meeting-21-september-2022-23-sep-2022-0000\">he summary of the meeting of the South African government cabinet in which the disaster was considered makes no reference to an independent investigation<\/a>.\u00a0 Does anyone have any more information?<\/p>\n<p>.<\/p>\n<h4>Acknowledgement<\/h4>\n<p>Planet Team (2022). Planet Application Program Interface: In Space for Life on Earth. San Francisco, CA. <a href=\"https:\/\/www.planet.com\/\">https:\/\/www.planet.com\/<\/a><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Satellite image company Planet Labs has released high resolution imagery of the Jagersfontein tailings dam failure <!-- AddThis Advanced Settings generic via filter on wp_trim_excerpt --><!-- AddThis Share Buttons generic via filter on wp_trim_excerpt --><\/p>\n","protected":false},"author":22,"featured_media":41765,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[27393],"tags":[469,299,205,1205,114,230,1022],"class_list":["post-41762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mining","tag-featured","tag-mine","tag-mining","tag-planet-labs","tag-south-africa","tag-tailings","tag-tailings-dam"],"_links":{"self":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/41762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/comments?post=41762"}],"version-history":[{"count":0,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/41762\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media\/41765"}],"wp:attachment":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media?parent=41762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/categories?post=41762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/tags?post=41762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}