Most Damaging Tsunamis

  • Lisbon Earthquake (Portugal)

    Lisbon Earthquake (Portugal)
    The magnitude of the earthquake was 8.5-9.0. The death toll was 30,000. 85% of Lisbon's buildings were destroyed. The maximum height of the waves were estimated at 6 meters.
  • Krakatoa Eruption (Java/Sumatra)

    Krakatoa Eruption (Java/Sumatra)
    The magnitude of the earthquake was 8.5. The death toll was 36,417. The explosion fired up hot ash 50 miles in the air. Hot avalanches of ash races down the volcano and across the sea
  • Aleutian Earthquake (Alaska)

    Aleutian Earthquake (Alaska)
    The magnitude of the earthquake was 8.0. The death toll was 165. It had a maximum Mercalli intensity of VI. It resulted in over $26 million in damage.
  • Great Chilean Earthquake (Chile)

    Great Chilean Earthquake (Chile)
    The magnitude was 9.5. The death toll was 1,655. It left about 2 million people homeless. It was the most powerful earthquake in recorded history.
  • Good Friday Earthquake (Alaska)

    Good Friday Earthquake (Alaska)
    The magnitude of the earthquake was 9.2. The death toll was 131. It was the second most powerful earthquake in recorded history. It caused an underwater landslide.
  • Hokkaido Earthquake (Japan)

    Hokkaido Earthquake (Japan)
    The magnitude of the earthquake was 7.8. The death toll was 230. A peak ground acceleration of 0.50g was recorded about 100km from the edge of the off shore aftershock zone. The shock was followed by a large tsunami.
  • Papua New Guinea Earthquake (Papua New Guinea)

    Papua New Guinea Earthquake (Papua New Guinea)
    The magnitude was 7.0. The death toll was 2,200. It was one of the deadliest tsunamis in this century. It cause a large undersea landslide which cause a tsunami that hit the coast.
  • Sumatra Earthquake (Indonesia)

    Sumatra Earthquake (Indonesia)
    The magnitude of the earthquake was 9.1. The death toll was 230,000. It was the deadliest disasters in modern history. Estimated to have released energy equivalent to 23,000 Hiroshima-type atomic bombs
  • Samoa Earthquake (Samoan Islands)

    Samoa Earthquake (Samoan Islands)
    The magnitude of the earthquake was 8.1. The death toll was 192. The earthquake generated tsunami waves of up to 22 meters. 3,000 people became homeless.
  • Chile Earthquake (Chile)

    Chile Earthquake (Chile)
    The magnitude of the earthquake was 8.8. The death toll was 521. It generated a tsunami with wave heights up to 29m. It resulted in $30 billion in damage.
  • Tohoku Earthquake (Japan)

    Tohoku Earthquake (Japan)
    The magnitude of the earthquake was 9.1. The death toll was 18,000. A tsunami that was generated by the earthquake arrived at the coast within 30 minutes. The earthquake shaking about 6 minutes.
  • Sulawesi Earthquake (Indonesia)

    Sulawesi Earthquake (Indonesia)
    The magnitude of the earthquake was 7.5. The death toll was 4,340. During the earthquake, the soil liquified, and houses and people were buried in more than nine feet of rubble and mud. More than 110,000 houses were destroyed or damaged