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Tsunamis in Japan
Find tsunami sites in Japan on this map: location and details for each place.
Each card has the type (2011, Sanriku, Nankai, or other), the date, the damage, one fact, address, and official site.
Rikuzentakata, Hirogawa, Okushiri. Tsunamis.
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2011 Sanriku Nankai Other
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Name A–Z
16 listed
2011
Takata Matsubara
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Type: 2011
Year: 11 March 2011
Damage: about 70,000 pines fell; downtown Rikuzentakata was swept away
Tree: one pine remained; it died in 2012; the trunk is kept
Address: 岩手県陸前高田市気仙町
Minamisanriku
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Type: 2011
Year: 11 March 2011
Damage: the wave overtopped the three-storey building; Shizugawa was swept away
Hall: the steel frame of the disaster-prevention office still stands
Address: 宮城県本吉郡南三陸町志津川字汐見町
Ishinomaki Minamihama
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Type: 2011
Year: 11 March 2011
Damage: the Minamihama neighborhood was wiped out
Park: the memorial meadow covers the old streets
Address: 宮城県石巻市南浜町
Kesennuma
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Type: 2011
Year: 11 March 2011
Damage: water reached the fourth floor of the old Koyo school
School: the former fisheries high school is now the memorial hall
Address: 宮城県気仙沼市波路上瀬向
Taro
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Type: 2011
Year: 11 March 2011 (also 1896 and 1933)
Damage: the ~10 m wall, once called the world’s highest, was overtopped
Wall: Tarō’s X-shaped seawall; the lower town flooded
Address: 岩手県宮古市田老
Okawa Elementary
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Type: 2011
Year: 11 March 2011
Damage: 74 pupils and 10 staff died
School: the wave ran up the Kitakami to the school, about 4 km from the sea
Address: 宮城県石巻市釜谷
Arahama Elementary
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Type: 2011
Year: 11 March 2011
Damage: the village on Sendai’s beach was swept away
School: about 320 people reached the roof and lived; the building still stands
Address: 宮城県仙台市若林区荒浜
Yuriage
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Type: 2011
Year: 11 March 2011
Damage: Yuriage’s harbor and streets were wiped out
Hall: Natori’s hall tells 11 March
Address: 宮城県名取市閖上西
Iwanuma
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Type: 2011
Year: 11 March 2011
Damage: the coastal plain flooded several kilometres inland
Hill: six hills built from the debris
Address: 宮城県岩沼市押分
Onagawa
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Type: 2011
Stone: Yes
Year: 11 March 2011
Damage: the town center was destroyed; the wave rose above 15 m
Stone: いのちの石碑 marks a height that held
Address: 宮城県牡鹿郡女川町女川浜
Sanriku
Aneyoshi
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Type: Sanriku
Stone: Yes
Year: 15 June 1896 (the stone also names 1933)
Damage: the lower hamlet was swept in the Meiji tsunami; in 2011 the wave stopped near the stone
Stone: do not build houses below this stone
Address: 岩手県宮古市姉吉
Nankai
Hirogawa
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Type: Nankai
Year: 24 December 1854 (Ansei Nankai)
Damage: Hiro flooded; Hamaguchi Goryo set rice sheaves alight to guide the flight
Wall: a ~5 m, 600 m dike built afterward; it held in 1946
Address: 和歌山県有田郡広川町広
Other
Okushiri
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Type: Other
Year: 12 July 1993
Damage: Aonae was destroyed; fire followed the wave; run-up reached about 30 m on the island
Hall: the tsunami hall in Aonae
Address: 北海道奥尻郡奥尻町字青苗349-1
Ishigaki
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Type: Other
Stone: Yes
Year: 24 April 1771 (Meiwa 8)
Damage: the wave swept Ishigaki and the Yaeyama islands
Stone: the Meiwa cenotaph in Ōhama
Address: 沖縄県石垣市大浜
Uki
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Type: Other
Stone: Yes
Year: 21 May 1792 (Unzen)
Damage: Mayuyama collapsed; the Ariake tsunami reached Higo
Stone: the warning stones in Uki
Address: 熊本県宇城市
Shimabara
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Type: Other
Year: 21 May 1792
Damage: Mayuyama collapsed; the city and the Higo coast took the tsunami
Tower: the memorial pagoda on Ichibangai
Address: 長崎県島原市一番町
There are no pins in this slice yet.
There are 16 places. 2011 has 10. Other has 4. Stone has 4. Nankai has 1. 4 places sit in more than one category. The highest count in one prefecture is 8, in Miyagi. The places sit in 7 prefectures.
By category The same places, split by category.
2011 has 10. Other has 4. Stone has 4. Nankai has 1.
4 places sit in more than one category.
By category By category Places Percentage 2011 10 62.5% Other 4 25.0% Stone 4 25.0% Nankai 1 6.2% Sanriku 1 6.2%
By prefecture The highest count in one prefecture is 8, in Miyagi. The places sit in 7 prefectures.
Prefectures with the most places Prefecture Places Percentage Miyagi 8 50.0% Iwate 3 18.8% Wakayama 1 6.2% Hokkaido 1 6.2% Okinawa 1 6.2% Kumamoto 1 6.2% Nagasaki 1 6.2%
By region The same places, added up by region.
Places by region Region Places Percentage Hokkaido 1 6.2% Tohoku 11 68.8% Kansai 1 6.2% Kyushu 2 12.5% Okinawa 1 6.2%
The data used in this study were set on 23 October 2026.
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