10 Worst Tsunamis in History By MitchyDitch Sep 20, 1498 Enshunada Sea, Japan Jan 18, 1586 Ise Bay, Japan Oct 28, 1707 Nankaido, Japan Nov 1, 1755 Lisbon, Portugal Apr 24, 1771 Ryukyu Islands, Japan Aug 13, 1868 Northern Chile Aug 27, 1883 Krakatau, Indonesia Jun 15, 1896 Sanriku, Japan Dec 26, 2004 Sumatra, Indonesia Mar 11, 2011 North Pacific Coast, Japan