{"id":28277,"date":"2018-07-17T06:53:55","date_gmt":"2018-07-17T06:53:55","guid":{"rendered":"https:\/\/blogs.agu.org\/landslideblog\/?p=28277"},"modified":"2018-07-17T06:54:42","modified_gmt":"2018-07-17T06:54:42","slug":"nanyu-township-1","status":"publish","type":"post","link":"https:\/\/blogs.agu.org\/landslideblog\/2018\/07\/17\/nanyu-township-1\/","title":{"rendered":"Nanyu Township: a very large landslide in Gansu Province on Thursday 12th July 2018"},"content":{"rendered":"<h4>Nanyu Township: a very large landslide in Gansu Province on Thursday 12th July 2018<\/h4>\n<p><a href=\"http:\/\/www.xinhuanet.com\/english\/2018-07\/14\/c_137324109_7.htm\">Xinhua has posted some images<\/a> of a very large, partially valley blocking landslide that occurred at Nanyu Township in Zhouqu County, located in Gansu Province, China.\u00a0 The landslide, which was triggered by rainfall, is reported to have a volume of about 5 million cubic metres.\u00a0 The best image of the landslide itself is this one, <a href=\"http:\/\/www.xinhuanet.com\/english\/2018-07\/14\/c_137324109_7.htm\">from Xinhua<\/a>, which shows the lower portion of the displaced mass.\u00a0 It is clear that it has greatly constricted the river channel:-<\/p>\n<div id=\"attachment_28278\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28278\" class=\"size-full wp-image-28278\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Gansu-1-e1531807168599.jpg\" alt=\"Nanyu township\" width=\"640\" height=\"426\" \/><p id=\"caption-attachment-28278\" class=\"wp-caption-text\">The large landslide at Nanyu Township in Zhouqu County, northwest China&#8217;s Gansu Province. Image via <a href=\"http:\/\/www.xinhuanet.com\/english\/2018-07\/14\/c_137324109_7.htm\">Xinhua.<\/a><\/p><\/div>\n<p>.<\/p>\n<p>The partial blockage of the river has caused extensive flooding:-<\/p>\n<div id=\"attachment_28282\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28282\" class=\"size-full wp-image-28282\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Gansu-2-e1531807372674.jpg\" alt=\"Nanyu township\" width=\"640\" height=\"425\" \/><p id=\"caption-attachment-28282\" class=\"wp-caption-text\">Flooding upstream of the landslide at Nanyu township in Gansu Province. Image via <a href=\"http:\/\/www.xinhuanet.com\/english\/2018-07\/14\/c_137324109_7.htm\">Xinhua<\/a>.<\/p><\/div>\n<p>.<\/p>\n<p>On Google Earth the area affected by the landslide appears to be as below.\u00a0 The location is 33.719, 104.421:-<\/p>\n<div id=\"attachment_28286\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28286\" class=\"size-full wp-image-28286\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Gansu-3-e1531809401266.jpg\" alt=\"Nanyu township\" width=\"640\" height=\"384\" \/><p id=\"caption-attachment-28286\" class=\"wp-caption-text\">Google Earth image of the landslide at Nanyu township in Gansu Province<\/p><\/div>\n<p>.<\/p>\n<p>My interpretation of this is that the failure is on a large, pre-existing landslide.\u00a0 From the Google Earth imagery considerable slope modification has occurred.\u00a0 The section of the slope that has failed in this event is shown in the image below:-<\/p>\n<div id=\"attachment_28288\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-28288\" class=\"wp-image-28288 size-full\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2018\/07\/18_07-Gansu-4-e1531809960311.jpg\" alt=\"\" width=\"640\" height=\"476\" \/><p id=\"caption-attachment-28288\" class=\"wp-caption-text\">Google Earth image of the portion of slope that failed in the Nanyu township landslide<\/p><\/div>\n<p>.<\/p>\n<p>This section of slope shows considerable signs of distress and instability, and it is interesting to note that the river has a series of rapids in this area.<\/p>\n<p>Gansu Province has a long landslide history.\u00a0 The following posts highlight landslides in this part of China:-<\/p>\n<ul>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Heifangtai terrace: spectacular loess flowslides in Gansu Province, China\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2017\/09\/27\/heifangtai-terrace-1\/\" rel=\"bookmark\">Heifangtai terrace: spectacular loess flowslides in Gansu Province, China<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Spectacular landslides from the Gansu earthquake this week\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2013\/07\/26\/spectacular-landslides-from-the-gansu-earthquake-this-week\/\" rel=\"bookmark\">Spectacular landslides from the Gansu earthquake this week<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to First image from the Gansu landslide\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/08\/08\/first-image-from-the-gansu-landslide\/\" rel=\"bookmark\">First image from the Gansu landslide<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Update: the Gansu landslide\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/08\/08\/update-the-gansu-landslide\/\" rel=\"bookmark\">Update: the Gansu landslide<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to First video of the Gansu landslides\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/08\/08\/first-video-of-the-gansu-landslides\/\" rel=\"bookmark\">First video of the Gansu landslides<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Update: Dramatic increase in the loss of life in the Gansu landslide\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/08\/10\/update-dramatic-increase-in-the-loss-of-life-in-the-gansu-landslide\/\" rel=\"bookmark\">Update: Dramatic increase in the loss of life in the Gansu landslide<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Two interesting landslide videos from Congjiang, China and Manali, India\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2015\/12\/12\/manali-1\/\" rel=\"bookmark\">Two interesting landslide videos from Congjiang, China and Manali, India<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Two dramatic new landslide videos from China\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2013\/07\/24\/2-landslide-videos-from-china\/\" rel=\"bookmark\">Two dramatic new landslide videos from China<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Zhouqu landslide \u2013 NASA satellite image\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/09\/16\/zhouqu-landslide-nasa-satellite-image\/\" rel=\"bookmark\">Zhouqu landslide \u2013 NASA satellite image<\/a><\/li>\n<\/ul>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>On 12th July 2018 a 5 million cubic metre landslide occurred at Nanyu township in Gansu Province, China, partially blocking the large Bailong River.<!-- 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":28278,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[1],"tags":[16,881,469,26,959,822],"class_list":["post-28277","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-china","tag-east-asia","tag-featured","tag-gansu","tag-landslide-report","tag-valley-blocking-landslided"],"_links":{"self":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/28277","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=28277"}],"version-history":[{"count":0,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/28277\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media\/28278"}],"wp:attachment":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media?parent=28277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/categories?post=28277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/tags?post=28277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}