Most Damaging Tsunamis By gannonvitelli Nov 4, 1755 Libson Earthquake Magnitude- 9.0, killd 20000 people Nov 4, 1883 Krakatoa Eruption Tsunai 115 ft high, killed 36000 Nov 4, 1946 Aleutian Earthquake Mag- 8.1, killd 160 Nov 4, 1960 Great Chilean Earthquake mag- 9.5 Nov 4, 1964 Good Friday Earthquake mag- 9.2 killed 130 Nov 4, 1993 Hokkaido Earthquake mag- 7.8 killed 120 Nov 4, 1998 Paupa New Guinea Quake mag- 7.1, killed 2100 Nov 4, 2004 Sumatra Earthquake mag- 9.1 killed 230000