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Deadliest Tsunamis

This is an evolving table. Records of tsunami deaths are very commonly mixed with earthquake deaths, so notable tsunami events are surely missing from this table, and some numbers here may include deaths not caused by tsunamis. There also have been catastrophic waves recorded in India, attributed to storm surges, that may be tsunamis. The table reflects official compilations and has not been checked in detail. All large round numbers are approximate.

10 Deadliest Pacific Tsunamis

Date Source Deaths
22 May 1782 Taiwan 40000
20 Sep 1498 Japan 31000
28 Oct 1707 Japan 30000
15 Jun 1896 Japan 27122
13 Aug 1868 Chile 25674
27 May 1293 Japan 23024
11 Mar 2011 Japan 18517
21 May 1792 Japan 15030
29 Aug 1741 Hokkaido 15000
24 Apr 1771 Ryukyu Islands 13486

10 Deadliest Indian Ocean Tsunamis

Date Source Deaths
26 Dec 2004 Sumatra 225000
27 Aug 1883 Java/Sumatra 36500
26 Jun 1941 Andaman Sea 5000
3 Sep 1861 Sumatra 1700
16 Jun 1819 Arabian Sea 1543
28 Nov 1945 Arabian Sea 1000+
16 Feb 1861 Sumatra 905
2 Apr 1762 Bay of Bengal 500
19 Aug 1977 Sunda Islands 500
4 Jan 1907 Sumatra 400

10 Deadliest Atlantic Tsunamis

Date Source Deaths
1 Nov 1755 Portugal 60000
7 Jun 1692 Jamaica 2000
30 Jan 1607 England/Wales 2000
3 Oct 1780 Jamaica 300
7 May 1842 Haiti 300
6 Dec 1917 Nova Scotia 200
4 Aug 1946 Dominican Rep 100
7 Sep 1882 Panama 65
11 Oct 1918 Puerto Rico 42
18 Nov 1929 Newfoundland 29

10 Deadliest Mediterranean Sea Tsunamis

Date Source Deaths
1410 BCE Greek islands 100000+
28 Dec 1908 Italy 10000+
6 Feb 1783 Italy 1500+
11 Jan 1693 Italy 1000+
20 Sep 1867 Greece 12
16 Oct 1979 France 10
13 Dec 1990 Italy 6
9 Jul 1956 Greece 4
20 Oct 1859 Greece 2
11 Sep 1930 Italy 2

Sources: Tsunami Laboratory of Novosibirsk, (US) National Geophysical Data Center, USC Tsunami Research Group and others

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