Open Earth

On this day: 21 April

The deadliest recorded disaster on 21 April was the 1659 earthquake near Aidu, which killed 39 people.

Historic disasters

17

Recorded deaths

94

Eruptions began

15

Major events since 1900

20

Disasters on 21 April in history

Damaging earthquakes, tsunamis and volcanic eruptions from the NOAA Natural Hazards database, deadliest first.

  • Earthquake, Aidu

    21 April 1659Japan39 killed

  • M8.1 earthquake, Solomon Islands

    21 April 1977Solomon IslandsTriggered a tsunami18 killed1 injured

  • Earthquake, San Salvador

    21 April 1594El Salvador13 killed

  • M6.2 earthquake, Southern

    21 April 2007ChileTriggered a tsunami10 killed

  • M6.0 earthquake, Aegean Sea

    21 April 1955Greece7 killed

  • Mayon eruption (VEI 3)

    21 April 1968Philippines6 killed

  • M6.7 earthquake, San Jacinto, Hemet

    21 April 1918USA1 killed$0m damage

  • M7.7 earthquake, Santa Cruz Islands; Vanuatu

    21 April 1997Solomon IslandsTriggered a tsunami7 homes destroyed

  • M6.8 earthquake, Samar

    21 April 1995PhilippinesTriggered a tsunami

  • M7.2 earthquake, Samar

    21 April 1995PhilippinesTriggered a tsunami

  • Earthquake, Ryukyu Islands

    21 April 1969JapanTriggered a tsunami

  • M6.7 earthquake, Sumatra: Bengkulu

    21 April 1958IndonesiaTriggered a tsunami

  • Earthquake, N

    21 April 1931Italy

  • M7.8 earthquake, Off East Coast Honshu

    21 April 1916Japan

  • M6.2 earthquake, Winters

    21 April 1892USA

  • Earthquake, Guerrero, Morelos, Oaxaca, Mexico City

    21 April 1776Mexico

  • M6.0 earthquake, Sichuan Province

    21 April 1657China

Major events from our live records

Big earthquakes and major disasters on 21 April in recent decades.

Eruptions that began on 21 April

From the Smithsonian Global Volcanism Program eruption record.

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