{"id":16770,"date":"2025-08-05T14:00:00","date_gmt":"2025-08-05T05:00:00","guid":{"rendered":"https:\/\/www.icrr.u-tokyo.ac.jp\/?post_type=news&#038;p=16770"},"modified":"2025-08-01T14:42:58","modified_gmt":"2025-08-01T05:42:58","slug":"%e3%83%8f%e3%82%a4%e3%83%91%e3%83%bc%e3%82%ab%e3%83%9f%e3%82%aa%e3%82%ab%e3%83%b3%e3%83%87%e8%a8%88%e7%94%bb%ef%bc%9a%e8%b6%85%e5%b7%a8%e5%a4%a7%e7%a9%ba%e6%b4%9e%e3%81%ae%e6%8e%98%e5%89%8a%e3%82%92-2","status":"publish","type":"news","link":"https:\/\/www.icrr.u-tokyo.ac.jp\/en\/news\/16770\/","title":{"rendered":"\u3010Press Release\u3011Excavation of the Colossal Cavern for Hyper-Kamiokande Completed"},"content":{"rendered":"\n<p>On July 31, 2025, the University of Tokyo completed excavation of the colossal cavern that will house the main detector volume of Hyper-Kamiokande, a next-generation, ultra-large water Cherenkov detector currently under construction in Hida City, Gifu, Japan.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-683x1024.jpg\" alt=\"\" class=\"wp-image-16771\" srcset=\"https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-683x1024.jpg 683w, https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-200x300.jpg 200w, https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-768x1152.jpg 768w, https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-1024x1536.jpg 1024w, https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-1365x2048.jpg 1365w, https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/DSC_2260-wme-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><figcaption><strong>The main Hyper-Kamiokande cavern after excavation complete<\/strong>d<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u3000<a href=\"https:\/\/www.icrr.u-tokyo.ac.jp\/prwps\/wp-content\/uploads\/HKpressrelease_v1.9_2.pdf\" target=\"_blank\" rel=\"noopener\" title=\"\">See the next PDF for further details.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>On July 31, 2025, the University of Tokyo completed excavation of the colossal cavern that will house the main&#8230;<\/p>\n","protected":false},"featured_media":16767,"parent":0,"template":"","taxo_news":[21],"tag_news":[],"class_list":["post-16770","news","type-news","status-publish","has-post-thumbnail","hentry","taxo_news-press-releases","en-US"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/news\/16770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/types\/news"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/media\/16767"}],"wp:attachment":[{"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/media?parent=16770"}],"wp:term":[{"taxonomy":"taxo_news","embeddable":true,"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/taxo_news?post=16770"},{"taxonomy":"tag_news","embeddable":true,"href":"https:\/\/www.icrr.u-tokyo.ac.jp\/wp-json\/wp\/v2\/tag_news?post=16770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}