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Youichi YANAGAWA, Hiroki NAGASAWA, Katsuaki MORISHIMA, Shinya TADA, Toshihiro KATSUMATA, Toshihide IIDA, Misao SAKURAI, Harumi KATO, Yoko NOZAWA, Yoshiki NAGASAWA, Kazuki HORII, Motohiro ISHIBASHI, Dispatched to the Atami Debris Flow in 2021542Corresponding author: Youichi YanagawaJuntendo University Shizuoka Hospital1129 Nagaoka Izunokuni City Shizuoka, Japan, 410-2295TEL: +81-55-948-3111　E-mail: yyanaga@juntendo.ac.jp〔Received　Jul. 21, 2021〕〔Accepted　Sep. 21, 2021〕J-STAGE Advance published date: Nov. 12, 2021Copyright © 2021 The Juntendo Medical Society. This is an open access article distributed under the terms of Creative Commons Attribution License (CC BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original source is properly credited. doi: 10.14789/jmj.JMJ21-0018-OTObjective: The present study aimed to report on the activity of a medical relief team from Juntendo Shizuoka Hospital that was dispatched to the Atami debris flow in 2021.Design: Narrative report.Results: A debris flow in Atami city resulted in the destruction of 131 houses and 26 deaths, with 1 people remaining missing. Twenty-seven of the 28 victims rescued after the collapse of their houses were asymptomatic or had minor injuries. The lifeline in Atami city and the faculty of a level II acute critical care hospital were preserved; thus, the demand for emergency medical intervention did not dramatically increase. The medical relief team from Juntendo Shizuoka Hospital contributed to the management of the headquarters of the Disaster Medical Assistance Teams in the public health center in Atami city, in coordination with members of various medical occupations or organizations to provide appropriate life support to refugees rather than urgent medical intervention.Conclusions: The main activity of the medical relief team from Juntendo Shizuoka Hospital was to provide appropriate life support for evacuated refugees in order to prevent disaster-related death among the refugees.Key words: medical relief team, atami, debris flowJuntendo Medical Journal2021. 67(6), 542-546ReportsActivity of a Medical Relief Team from Shizuoka Hospital that was 1．IntroductionFrom 30 June to 3 July, 2021, Atami city was hit with torrential rain. During this 4-day period, 389 millimeters of rainfall was observed. This was equivalent to 1.6 times the average precipitation in the month of July. At around 10:30 a.m. on Saturday, July 3, 2021, a giant debris flow suddenly occurred at Izuyama in Atami, Shizuoka prefecture. The giant debris flow ran a distance of approximately 2 Juntendo University Shizuoka Hospital, Shizuoka, Japankilometer to the sea (Figure 1), destroying 131 houses. According to Atami city officials, 26 people died, and 1 person remains missing due to the debris flow (October 16, 2021). A total of 28 people were rescued by firefighters, police, and military personnel after being stranded in their houses. The 28 rescued people were transported to two local medical hospitals, and 27 of these individuals survived. Over 570 residents in the hazard area near the debris flow initially escaped to approxi-Kei JITSUIKI, Hiromichi OHSAKA, Koichi SATO