{"id":19908,"date":"2016-10-03T07:17:04","date_gmt":"2016-10-03T07:17:04","guid":{"rendered":"http:\/\/blogs.agu.org\/landslideblog\/?p=19908"},"modified":"2016-10-03T07:17:04","modified_gmt":"2016-10-03T07:17:04","slug":"rizhao-rockslide-2","status":"publish","type":"post","link":"https:\/\/blogs.agu.org\/landslideblog\/2016\/10\/03\/rizhao-rockslide-2\/","title":{"rendered":"The location of the Rizhao rockslide in Shandong"},"content":{"rendered":"<h5>The location of the Rizhao rockslide in Shandong<\/h5>\n<p>Over the last few days a number of people (see acknowledgements below) have sent details of the location of the<a href=\"https:\/\/blogs.agu.org\/landslideblog\/2016\/09\/28\/rizhao-1\/\"> Rizhao rockslide in Shandong<\/a>, about which I posted last week.\u00a0 Please accept my apologies for the slow response &#8211; I have just completed an epic journey back from Wellington in New Zealand &#8211; which is about as far as you can go from Norwich without using a rocket &#8211; so I have a number of important landslides upon which to catch up this week (and thanks to those that have tipped me off about other interesting events).\u00a0 Watch this space.\u00a0 And, as an aside, I am deeply worried about the landslide potential of<a href=\"https:\/\/www.wunderground.com\/hurricane\/atlantic\/2016\/Hurricane-Matthew?MR=1\"> Hurricane Matthew as it makes landfall over Jamaica and Haiti<\/a>, probably tomorrow.\u00a0 This has the potential to cause real problems &#8211; a direct hit on Haiti could be very nasty.<\/p>\n<p>Anyway, the location of the Rizhao landslide is now clear.\u00a0 Strangely enough it turns out that it is not actually in Rizhao, but in Lanshan at 35.104\u00b0 N, 119.325\u00b0 E.\u00a0 This is a Google Earth image of the site from 2012 &#8211; clearly a lot of work has been undertaken since then:<\/p>\n<div id=\"attachment_19910\" style=\"width: 650px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19910\" class=\"size-full wp-image-19910\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2016\/10\/16_10-shandong-4-e1475477782805.jpg\" alt=\"Rizhao rockslide\" width=\"640\" height=\"396\" \/><p id=\"caption-attachment-19910\" class=\"wp-caption-text\">Google Earth image of the location of the Rizhao rockslide, taken in 2012<\/p><\/div>\n<p>.<\/p>\n<p><a href=\"https:\/\/blogs.agu.org\/landslideblog\/2016\/09\/28\/rizhao-1\/#comment-211438\">In a comment<\/a> added to my original post, Marc tracked down <a href=\"http:\/\/w.dzwww.com\/p\/446586.html\">some images of the site before the landslide<\/a>:<\/p>\n<div id=\"attachment_19917\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-19917\" class=\"size-full wp-image-19917\" src=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2016\/10\/16_10-shandong-5-1.jpg\" alt=\"Rizhao rockslide\" width=\"550\" height=\"367\" srcset=\"https:\/\/blogs.agu.org\/landslideblog\/files\/2016\/10\/16_10-shandong-5-1.jpg 550w, https:\/\/blogs.agu.org\/landslideblog\/files\/2016\/10\/16_10-shandong-5-1-300x200.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><p id=\"caption-attachment-19917\" class=\"wp-caption-text\">The slope prior to the Rizhao rockslide in Shandong<\/p><\/div>\n<p>.<\/p>\n<p>Marc comments that:<\/p>\n<blockquote><p>My guess would be a large wedge style failure. Bedding is clearly visible and would be in a toppling geometry, but the failure plane appears to be on an inclined joint. In such an arrangement removal of material at the toe could provide a release mechanism.<\/p><\/blockquote>\n<p>This seems spot on to me.\u00a0 I remain surprised that this is described as a natural landslide when works had obviously been undertaken on the slope.\u00a0 And the image above suggests that this is a slope with a strong set of joints that had the potential to allow release of the landslide.<\/p>\n<h5>Similar posts that might be of interest with regard to wedge failures:<\/h5>\n<ul>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Kalimpong Day 4 part 1: An interesting and deadly roadside landslide\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2016\/03\/08\/kalimpong-day-4-part-1\/\" rel=\"bookmark\">Kalimpong Day 4 part 1: An interesting and deadly roadside landslide<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to A major rockslide on US2 near Wenatchee\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2016\/01\/12\/rockslide-wenatchee-1\/\" rel=\"bookmark\">A major rockslide on US2 near Wenatchee<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to The mechanism of the Highway 3 landslide in Taiwan\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2010\/04\/26\/the-mechanism-of-the-highway-3-landslide-in-taiwan\/\" rel=\"bookmark\">The mechanism of the Highway 3 landslide in Taiwan<\/a><\/li>\n<li class=\"posttitle srch\"><a title=\"Permanent Link to Rockfall sequence in Yosemite\" href=\"https:\/\/blogs.agu.org\/landslideblog\/2008\/10\/27\/rockfall-sequence-in-yosemite\/\" rel=\"bookmark\">Rockfall sequence in Yosemite<\/a><\/li>\n<\/ul>\n<h5>Acknowledgements:<\/h5>\n<p>Thanks to Marc, Kirk and Jon Johnson, all of whom helped to track down the location of the landslide.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/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>Thanks to various friends the location of the very dangerous and large Rizhao rockslide in Shandong, China last week is now clear<!-- 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":19917,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[16,881,469,136,1170],"class_list":["post-19908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-landslide-report","tag-china","tag-east-asia","tag-featured","tag-rockslide","tag-wedge"],"_links":{"self":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/19908","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=19908"}],"version-history":[{"count":0,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/posts\/19908\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media\/19917"}],"wp:attachment":[{"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/media?parent=19908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/categories?post=19908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.agu.org\/landslideblog\/wp-json\/wp\/v2\/tags?post=19908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}