Tsunami Timetoast

Lisbon Earthquake (Portugal)

Nov 1, 1755

• Magnitude of about 9.0
• Death toll of about 20,000 people
• As a result of the earthquake there was a tsunami and many fires which really took a toll on Portugal
• It reached heights of 7 m (~23ft) or more of the West Indies

Krakatoa Eruption (Java/Sumatra)

Aug 26, 1883

• Magnitude of VEI 6
• Death toll of more than 36,000
• The tsunami was caused by the top of the Krakatoa Volcano collapsing into the ocean, following an eruption
• The eruption that caused the volcano to collapse and form a tsunami was the loudest sound ever reported in history

Aleutian Earthquake (Alaska)

Apr 1, 1946

• Magnitude of 8.1
• Death toll of about 160
• The tsunami was caused by an earthquake, but struck 5 hours after the earthquake
• Wake heights reached about 115 feet in Alaska and 30 feet in Hawaii

Great Chilean Earthquake (Chile)

May 23, 1960

• Magnitude of 9.5
• Death toll of 61 people
• The tsunami traveled for 15 hours across the Pacific Ocean before hitting Hawaii as a result of the Chilean Earthquake
• The tsunami was the result of the largest earthquake ever measured (9.5 M)

Good Friday Earthquake (Alaska)

Mar 27, 1964

• Magnitude of 9.2
• Death toll of about 130 people
• The earthquake that caused the tsunami was the most powerful earthquake ever recorded in North America
• The megathrust earthquake shook Alaska for 4 minutes and 38 seconds

Hokkaido Earthquake (Japan)

Jul 12, 1993

• Magnitude of 7.8
• Death toll of 120 people
• Within 2-5 minutes after the Hokkaido Earthquake, extremely large waves from the tsunami engulfed the Okushiri coastline and the Central West coast of Hokkaido
• The height of the tsunami waves ranged from 15-30 m (49-98ft)

Papua New Guinea Earthquake (Papua New Guinea)

Jul 17, 1998

• Magnitude of 7.1
• Death toll of more than 2100
• As well as triggering a tsunami, the earthquake triggered landslides, killed and buried people and houses, affected water sources and destroyed crops
• At least 170 aftershocks were recorded, including one of 6.7 magnitude in the same area

Sumatra Earthquake (Indonesia)

Dec 26, 2004

• Magnitude of 9.1
• Death toll of about 230,000 people
• The tsunami’s waves traveled across the Indian Ocean at 500 mph, the speed of a jet plane.
• the earthquake that caused the tsunami is estimated to have released energy equivalent to 23,000 Hiroshima-type atomic bombs

Samoa Earthquake (Samoan Islands)

Sep 29, 2009

• Magnitude of 8.1
• Death toll of about 200
• Two large earthquakes struck midway between Samoa and American Samoa, a U.S. territory which generated the tsunami
• The earthquakes generated tsunami waves of up to 22 meters (72 feet) that engulfed the shores

Chile Earthquake (Chile)

Feb 27, 2010

• Magnitude of 8.8
• Death toll of about 700 people
• The earthquake and tsunami costed a total of $30 billion USD in damage
• Two hundred twenty thousand homes were destroyed, along with 4500 schools, 56 hospitals and 53 ports

Tohoku Earthquake (Japan)

Mar 11, 2011

• Magnitude of 9.1
• Death toll of over 20,000 people
• The Tohoku tsunami produced waves up to 40 meters (132 feet) high
• More than 450,000 people became homeless as a result of the tsunami

Sulawesi Earthquake (Indonesia)

Sep 27, 2018

-Magnitude of 7.5
- Death toll of 4,340
- 667 people went missing after the sulawesi earthquake and tsunami
- The tsunami caused widespread damage and destruction to the areas of Palu and Donggala with an estimated 2.4 million people were affected.