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Most Damaging Tsunamis

  • Lisbon Earthquake (Portugal)

    Lisbon Earthquake (Portugal)
    It killed 20,000 people with a magnitude of 9. This earthquake was studied scientifically for its effects over a large area, and led to the birth of seismology and earthquake engineering.
  • Krakatoa Eruption (Java/Sumatra)

    Krakatoa Eruption (Java/Sumatra)
    It killed people, and did not have a tool to measure the magnitude for the earthquake at this time. The eruption unleashed huge tsunamis and destroyed over two thirds of the island.
  • Aleutian Earthquake (Alaska)

    Aleutian Earthquake (Alaska)
    It killed 160 people with a magnitude of 8.1. The wave of the tsunamis reached Kauai, Hawaii 4.5 hours after the quake, and 4.9 hours later hit Hilo, Hawaii.
  • Great Chilean Earthquake (Chile)

    Great Chilean Earthquake (Chile)
    It killed 61 people with a magnitude of 9.5. The epicenter of this earthquake was near Lumaco, and Valdivia was the most affective city.
  • Good Friday Earthquake (Alaska)

    Good Friday Earthquake (Alaska)
    It killed about 130 people with a magnitude of 9.2. The earthquake lasted approximately 4.5 minutes and is the most powerful recorded earthquake in U.S. history.
  • Hokkaido Earthquake (Japan)

    Hokkaido Earthquake (Japan)
    It killed 120 people with a magnitude of 7.8. There was about 815 houses destroyed, 1324 half damaged, and 6395 partially damaged.
  • Papua New Guinea Quake (Papua New Guinea)

    Papua New Guinea Quake (Papua New Guinea)
    It killed more than 2100 people with a magnitude of 7.1. The quake struck at a shallow depth of Lokm just iff if PNG's Manus island.
  • Sumatra Earthquake (Indonesia)

    Sumatra Earthquake (Indonesia)
    The earthquake killed about 230,000 people with a magnitude of 9.1. The tsunami was caused by slippage of about 600 miles of the boundary between the India and Burma plates off the west coast of northern Sumatra.
  • Samoa Earthquake (Samoan Islands)

    Samoa Earthquake (Samoan Islands)
    It killed about 200 people with magnitude of 8.1. It was the largest earthquake in 2009, and a tsunami was generated which caused substantial damage in Samoa, American Samoa and Tonga.
  • Chile Earthquake (Chile)

    Chile Earthquake (Chile)
    It killed about 700 people with a magnitude of 8.8. The tsunami warnings were issued in 53 countries, and the wave caused minor damage in San Diego area of California.
  • Tohoku Earthquake (Japan)

    Tohoku Earthquake (Japan)
    It killed over 20,000 people with a magnitude of 9.1. The waves of the tsunami reached heights up to 133 feet in Miyako.