Most Damaging Tsunamis

Lisbon Earthquake (Portugal)

Nov 1, 1755

Magnitude- 9
death toll: 20,000
The earthquake almost totally destroyed Lisbon and adjoining areas.

Krakatoa Eruption (Java/Sumatra)

Aug 26, 1883

Magnitude- 6
Death Toll: 36,000
Over 70% of the island was destroyed

Aleutian Earthquake (Alaska)

Apr 1, 1946

Magnitude- 8.1
Death Toll: 160
Obliterated the scotch cap lighthouse on Unimak Island

Great Chilean Earthquake (Chile)

May 23, 1960

Magnitude- 9+
Death Toll: 61
The Tsunami caused localised tsunamis that battered the Chilean Coast

Good Friday Earthquake (Alaska)

Mar 27, 1964

Magnitude- 8.3
Death Toll: 130
Occurred on Good Friday at 5:36

Hokkaido Earthquake (Japan)

Jul 12, 1993

Magnitude- 7.8
Death Toll: 120
The earthquakes epicenter was near Tomakomai and occured at a depth of 35 KM

Papua New Guinea Quake (Papua New Guinea)

Jul 17, 1998

Magnitude- 7.1
Death Toll: 2100
The PNG government declared a state of emergency

Sumatra Earthquake (Indonesia)

Dec 26, 2004

Magnitude- 9.1
Death Toll: 230,000
An undersea megathrust earthquake

Samoa Earthquake (Samoan Islands)

Sep 29, 2009

Magnitude- 8.1
Death Toll: 200
The submarine earthquake occurred in an extensional environment

Chile Earthquake (Chile)

Feb 27, 2010

Magnitude- 8.8
Death Toll: 700
Intense shaking that lasted 3 minutes

Tohoku Earthquake (Japan)

Mar 11, 2011

Magnitude- 9.1
Death Poll: 20,000
Damaged several nuclear reactors int he area

Sulawesi Earthquake (Indonesia)

Jun 27, 2018

Magnitude- 5.6
Death Poll: 4340
The death poll is likely to rise according to an agency