【3D解説】1500トンの岩盤がカラオケを楽しんでいたバスを直撃…15名の乗客全員が死亡した玉川岩盤崩落事故の真相

This video explains the Tamagawa rockfall accident (1989, Echizen Coast). We offer our deepest condolences to the victims. [References/Citations] This video is based on the following records, databases, and documents: ■ Report on the Rockfall Disaster Investigation on National Highway 305 (1990) Referenced as a primary source regarding the collapse mechanism, rock shed design standards, collapse scale (estimated weight and dimensions), and the course of the accident. Ministry of Land, Infrastructure, Transport and Tourism, Public Works Research Institute ■ Research on Landslides and Disasters on the Echizen Coast (Shizuka Miura et al., March 1990) Referenced as a background and progress explanation of the accident, detailed chronological records of rescue operations (July 16-17, 1989), and on-site photographic materials. ■ Kyoto University Disaster Prevention Research Institute Annual Report, "Consideration of the Rockfall Process in the 1989 Echizen Coast Rockfall Disaster" Referenced for analysis of the geological and mechanical mechanisms of the collapsed rock mass. URL: https://www.dpri.kyoto-u.ac.jp/nenpo/... ■ Fukui Prefecture Civil Engineering History, Volume 2 (Edited by Fukui Prefecture Construction Technology Association, December 2001) Referenced for the description of the "National Highway 305 Rockfall Disaster" (disaster situation, history of restoration work) and photographic materials from before the restoration. ■ Records of Disasters Passed Down Through Generations (Fukui Prefecture Fire Chiefs Association, September 2001) Referenced for records of rescue activities. ■ Wikipedia (Free Encyclopedia) - National Highway 305 Referenced for factual verification of the route overview of the accident site, the opening of the Tamagawa Tunnel (1992), etc. URL: https://ja.wikipedia.org/wiki/国道305号 ■ Reference Collaborative Database (National Diet Library) Referenced for verifying literature information related to the accident. URL: https://crd.ndl.go.jp/reference/entry... ■ Fukui Television Broadcasting Official YouTube Channel (Published November 15, 2022) Video footage accidentally captured at the moment of the accident. Referenced for verifying the situation at the scene at the time of the accident. URL:    • 越前海岸を巡る　国道305号線 岩石崩落事故現場   ■ Related Web Materials and Blog Records Referenced for verifying the current state of the old road (on-site survey records) and the timeline of the accident. Weblio Dictionary: https://www.weblio.jp/content/Tamagaw... Bungei yaminave: http://yaminave.blogspot.com/2021/04/... Kono Michi Yukeba act2: https://konomichiikeba-rin0696.amebao...