South Kantō earthquakes

General term used in describing earthquake in the Kantō region

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South Kantō earthquakes (Japanese: 南関東直下地震) or Greater Tokyo Area earthquakes (Japanese: 首都直下地震) are general terms for major earthquakes that occurs repeatedly historically in the southern part of Kanto region (Tokyo, Kanagawa, Chiba, Saitama, etc, Greater Tokyo Area) in Japan.^[1]^[2]^[3] It has been announced that there is a 70% chance that earthquakes of about M7 will occur in the southern part of the Kanto region within the next 30 years.^[4]^[5]^[6]

Tokyo (Greater Tokyo Area) is one of the largest cities in the world (populated area), if a large earthquake occurs in the southern part of the Kanto region, the damage is expected to be enormous.^[7]^[8] And also, indirect damage caused by the earthquake is thought to extend to the entire world for a long period of time. It has been announced that if a large earthquake occurs in the Greater Tokyo Area, it would kill 23,000 people in the worst case scenario.^[9]^[10]

Major earthquakes in the past

This is a list of major earthquakes that have caused damage to the southern part of the Kanto region in the past.

1293 Kamakura earthquake
1703 Genroku earthquake
1855 Edo earthquake
1894 Tokyo earthquake
1923 Great Kantō earthquake

References

^ 百科事典マイペディア,デジタル大辞泉. "首都直下型地震とは". コトバンク (in Japanese). Retrieved 2021-05-24.
^ 日本大百科全書(ニッポニカ). "首都直下地震とは". コトバンク (in Japanese). Retrieved 2021-05-24.
^ 日本大百科全書(ニッポニカ). "南関東地震とは". コトバンク (in Japanese). Retrieved 2021-05-24.
^ 日本放送協会 (25 November 2019). "首都直下地震「今後30年で70％」の根拠は｜災害列島命を守る情報サイト｜NHK NEWS WEB". www3.nhk.or.jp. Retrieved 2021-05-24.
^ "30年以内に70％の確率で起きる!? もし首都直下地震が起きたら…専門家が算出する被害想定は？（TOKYO FM＋）". Yahoo!ニュース (in Japanese). Retrieved 2021-05-24.
^ "首都直下地震対策について" (PDF). 2013-02-19. Archived (PDF) from the original on 2013-02-19. Retrieved 2021-05-24.
^ 首都直下地震対策専門調査会報告平成17年7月中央防災会議p4
^ "特集首都直下地震の被害想定と対策について（最終報告）-内閣府防災情報のページ : 防災情報のページ - 内閣府". www.bousai.go.jp. Retrieved 2021-05-24.
^ 日本放送協会 (25 November 2019). "首都直下地震被害想定死者約2万3000人｜災害列島命を守る情報サイト｜NHK NEWS WEB". www3.nhk.or.jp. Retrieved 2021-05-24.
^ "首都直下地震の被害想定：朝日新聞デジタル". 朝日新聞デジタル (in Japanese). Retrieved 2021-05-24.