{"id":28257,"date":"2018-07-16T06:13:35","date_gmt":"2018-07-16T06:13:35","guid":{"rendered":"https:\/\/blogs.agu.org\/landslideblog\/?p=28257"},"modified":"2018-07-16T06:13:35","modified_gmt":"2018-07-16T06:13:35","slug":"japan-landslide-disaster","status":"publish","type":"post","link":"https:\/\/blogs.agu.org\/landslideblog\/2018\/07\/16\/japan-landslide-disaster\/","title":{"rendered":"High resolution satellite imagery of the Japan landslide disaster"},"content":{"rendered":"<h4>High resolution satellite imagery of the Japan landslide disaster<\/h4>\n<p><a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a> have now been able to collect some high resolution satellite imagery of the aftermath of the <a href=\"https:\/\/blogs.agu.org\/landslideblog\/2018\/07\/12\/japan-1\/\">landslide and flood disaster that struck across Japan over the last few days<\/a>.\u00a0 This is a <a href=\"https:\/\/en.wikipedia.org\/wiki\/SkySat\">SkySat image<\/a>, which has a resolution of 0.8 metres per pixel.\u00a0 The image shows the area around Kure in the Hiroshima area, which was badly affected by the rains.\u00a0 This is the full image:-<\/p>\n<div id=\"attachment_28263\" style=\"width: 480px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28263\" class=\"size-full wp-image-28263\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Kure-1.jpg\" alt=\"Japan landslide disaster\" width=\"470\" height=\"931\" srcset=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Kure-1.jpg 470w, https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Kure-1-151x300.jpg 151w\" sizes=\"auto, (max-width: 470px) 100vw, 470px\" \/><p id=\"caption-attachment-28263\" class=\"wp-caption-text\"><a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a> SkySat image of Kure, Japan showing the aftermath of the Japan landslide disaster. Image courtesy of <a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a>, used with permission.<\/p><\/div>\n<p>.<\/p>\n<p>Whilst there was a little bit of light cloud when the image was collected, the extremely large number of landslides is clear.\u00a0 This is a part of the southern portion of the image:-<\/p>\n<div id=\"attachment_28268\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28268\" class=\"size-full wp-image-28268\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Kure-2-e1531720699789.jpg\" alt=\"Japan landslide disaster\" width=\"640\" height=\"420\" \/><p id=\"caption-attachment-28268\" class=\"wp-caption-text\">A portion of the <a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a> SkySat image of Kure, Japan showing the aftermath of the Japan landslide disaster. Image courtesy of <a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a>, used with permission.<\/p><\/div>\n<p>.<\/p>\n<p>It is clear that there are dozens of landslides, mostly consisting of shallow slips that have transitioned into channelised debris flows, in the imagery.\u00a0 The nature of these landslides is perhaps best illustrated by this set, in the northeast of the image:-<\/p>\n<div id=\"attachment_28269\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28269\" class=\"size-full wp-image-28269\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Kure-3-e1531720986827.jpg\" alt=\"Japan landslide disaster\" width=\"640\" height=\"450\" \/><p id=\"caption-attachment-28269\" class=\"wp-caption-text\">Detail of a portion of the <a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a> SkySat image of Kure, Japan showing the aftermath of the Japan landslide disaster. Image courtesy of <a href=\"https:\/\/api.planet.com\/\">Planet Labs<\/a>, used with permission.<\/p><\/div>\n<p>.<\/p>\n<p>Here it is clear that the landslides started as small slips in the hilly, forested portion of the slopes.\u00a0 The debris has entered the channels and then entrained channel material.\u00a0 In many cases the same channel has seen slips from multiple slope portions.\u00a0 The debris has run out onto the golf course, where deposition of the mobile mass has occurred.<\/p>\n<p>Of course it also serves to illustrate the extraordinary quality of satellite imagery that is now available.\u00a0 Many thanks to Robert Simmon at Planet Labs for his help with obtaining the imagery.<\/p>\n<h4>Reference<\/h4>\n<p>Planet Team (2018). Planet Application Program Interface: In Space for Life on Earth. San Francisco, CA.\u00a0<a href=\"https:\/\/api.planet.com\/\">https:\/\/api.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>Planet Labs have been able to collect 0.8 m resolution SkySat imagery of the aftermath of the Japan landslide disaster in the Kure area, near Hiroshima<!-- 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":28269,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[57,881,469,361,1205,25],"class_list":["post-28257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-debris-flow","tag-east-asia","tag-featured","tag-japan","tag-planet-labs","tag-satellite"],"_links":{"self":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/28257","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=28257"}],"version-history":[{"count":0,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/28257\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media\/28269"}],"wp:attachment":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media?parent=28257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/categories?post=28257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/tags?post=28257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}