List of earthquakes in 1946

Earthquakes in 1946
Approximate epicenters of the earthquakes in 1946

  • 5.0−5.9 magnitude
  • 6.0−6.9 magnitude

  • 7.0−7.9 magnitude
  • 8.0+ magnitude

Strongest
magnitude
United States south of Unimak Island, Alaska (Magnitude 8.6) April 1
Deadliest Dominican Republic Samaná Bay, Dominican Republic (Magnitude 8.0) August 4 1,790 deaths
Total fatalities 5,773
Number by magnitude
9.0+ 0
8.0−8.9 4
7.0−7.9 19
6.0−6.9 66
5.0−5.9 1
 1945
1947 

This is a list of earthquakes in 1946. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. All dates are listed according to UTC time. Several great shocks affected the planet in 1946. The largest was one of the most significant in human terms. The quake itself was a magnitude 8.6 striking on April 1 in Alaska resulting in a tsunami mainly affecting Hawaii. The consequence of this apart from many deaths was the foundation of the Pacific Tsunami Warning Center. This organisation has helped to substantially reduce the death toll of tsunamis in the Pacific, although there have been a few exceptions, including the 2011 Japan event. Japan itself was heavily affected in 1946 by a large quake hitting in December, causing 1,362 deaths. The Dominican Republic was another nation that suffered great destruction in August. Turkey, Peru, and Turkmenistan all saw earthquakes causing many deaths. In general, 1946 was a busy year, with 22 events measuring above 7.0 and three exceeding a magnitude of 8.0.

Overall

By death toll

Rank Death toll Magnitude Location Depth (km) Date
1 1,790 8.0 Dominican Republic Samaná Bay, Dominican Republic 15.0 August 4
2 1,362 8.3 Japan off the south coast of Honshu, Japan 15.0 December 20
3 840 6.0 Turkey Erzurum Province, Turkey 35.0 May 31
4 800 6.8 Peru Ancash Region, Peru 15.0 November 10
5 400 6.9 Turkmenistan Balkan Region, Turkmenistan 37.9 November 4
6 264 6.0 Algeria Bordj Bou Arréridj Province, Algeria 35.0 February 12
7 167 8.6 United States south of Unimak Island, Alaska 15.0 April 1
8 75 7.0 Dominican Republic off the northern coast of the Dominican Republic 15.0 August 8
9 58 6.6 Taiwan north of Taiwan 25.0 December 4
10 12 5.6 Turkey Konya Province, Turkey 60.0 February 21

By magnitude

Rank Magnitude Death toll Location Depth (km) Date
1 8.6 167 United States south of Unimak Island, Alaska 15.0 April 1
2 8.3 1,362 Japan off the south coast of Honshu, Japan 15.0 December 20
3 8.0 0 Myanmar Sagaing Region, Burma 15.0 September 12
4 7.8 0 Myanmar Mandalay Region, Burma 35.0 September 12
4 7.8 0 Papua New Guinea southeast of New Ireland (island), Papua New Guinea 50.0 September 29
5 7.6 0 Kyrgyzstan Jalal-Abad Region, Kyrgyzstan 35.0 November 2
6 7.5 0 Canada Vancouver Island, Canada 15.0 June 23
6 7.5 1,790 Dominican Republic Samaná Bay, Dominican Republic 15.0 August 4
7 7.3 0 Indonesia Mentawai Islands, Indonesia 35.0 May 8
8 7.2 0 Papua New Guinea off the east coast of Papua New Guinea 100.0 January 17
8 7.2 0 Argentina Santiago del Estero Province, Argentina 580.0 August 28
8 7.2 0 Papua New Guinea Chimbu Province, Papua New Guinea 100.0 September 23
9 7.1 0 Mexico Chiapas, Mexico 100.0 June 7
9 7.1 0 Mexico Oaxaca, Mexico 130.0 July 11
10 7.0 0 Vanuatu Vanuatu 35.0 January 20
10 7.0 0 Vanuatu Vanuatu 170.0 July 9
10 7.0 75 Dominican Republic off the northern coast of the Dominican Republic 15.0 August 8
10 7.0 0 Fiji south of Fiji 100.0 August 21
10 7.0 0 Fiji south of Fiji 600.0 September 26
10 7.0 0 Peru Lima Region, Peru 70.0 September 30
10 7.0 0 Dominican Republic La Altagracia Province, Dominican Republic 50.0 October 4
10 7.0 0 United States Andreanof Islands, Alaska 25.0 November 1

Notable events

January

February

March

April

May

June

July

August

September

October

November

December

References

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