List of earthquakes in 1921

Earthquakes in 1921
List of earthquakes in 1921 is located in Earth
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
List of earthquakes in 1921
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Approximate epicenters of the earthquakes in 1921
Strongest magnitude Afghanistan, Badakhshan Province November 15 (Magnitude 7.8)
Deadliest Italian Eritrea, off the coast of Massawa August 14 (Magnitude 5.9) 51+ deaths
Total fatalities51+
Number by magnitude
9.0+0
← 1920
1922 →

This is a list of earthquakes in 1921. Only magnitude 6.0 or greater earthquakes appear on the list. Lower magnitude events are included if they have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to UTC time. In a stark contrast to 1920, the death toll for this year was only 51. Dutch East Indies and Japan were very active.

Overall

By death toll

Rank Death toll Magnitude Location MMI Depth (km) Date
1 51 5.9 Italian Eritrea, off the coast of Massawa VIII (Severe) 0.0 August 14
  • Note: At least 10 casualties

By magnitude

Rank Magnitude Death toll Location MMI Depth (km) Date
1 7.8 0  Afghanistan, Badakhshan Province ( ) 240.0 November 15
2 7.6 0  Dutch East Indies, south of Java ( ) 15.0 September 11
= 3 7.4 0  Tonga ( ) 15.0 February 27
= 3 7.4 0  Japan, Ryukyu Islands ( ) 35.0 July 4
= 3 7.4 0  Philippines, east of Mindanao VII (Very strong) 15.0 November 11
= 4 7.3 0  Honduras, El Paraiso Department ( ) 15.0 March 28
= 4 7.3 0  Peru, Loreto Region ( ) 540.0 December 18
5 7.2 0  Chile, Tarapaca Region ( ) 113.6 October 20
6 7.1 0 British Solomon Islands, Santa Cruz Islands ( ) 35.0 October 15
= 7 7.0 0  Guatemala, Quiche Department ( ) 15.0 February 4
= 7 7.0 0  Japan, Ryukyu Islands ( ) 15.0 April 2
= 7 7.0 0  Japan, Ibaraki Prefecture, Honshu ( ) 35.0 December 8
  • Note: At least 7.0 magnitude

Notable events

February

February
Strongest magnitude7.4 Mw  Tonga
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[1]  Guatemala, Quiche Department 7.0 15.0
19[2]  Dutch East Indies, West Papua (province) 6.3 15.0
19[3]  Dutch East Indies, Papua (province) 6.9 25.0
27[4]  Tonga 7.4 15.0

March

March
Strongest magnitude7.3 Mw  Honduras
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.95
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
3[5]  Japan, off the east coast of Honshu 6.9 35.0
5[6] India, Nicobar Islands 6.6 20.0
23[7]  Dutch East Indies, Banda Sea 6.0 50.0
24[8] Russian SFSR, off the east coast of Kamchatka 6.6 25.0
28[9]  Honduras, El Paraiso Department 7.3 15.0
30[10]  Dutch East Indies, Barat Daya Islands 6.6 170.0

April

April
Strongest magnitude7.0 Mw  Japan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.93
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[11]  Dutch East Indies, off the west coast of northern Sumatra 6.8 35.0
1[12] British Solomon Islands, Santa Cruz Islands 6.5 35.0
2[13]  Japan, southwestern Ryukyu Islands 7.0 15.0
10[14]  Canada, west of Haida Gwaii 6.5 35.0

May

May
Strongest magnitude6.6 Mw  Afghanistan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.95
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[15]  Mexico, off the coast of Colima 6.4 15.0
12[16]  New Guinea, Bougainville Island 6.4 35.0
14[17]  Dutch East Indies, Makassar Strait 6.2 0.0 VIII A few homes were damaged or destroyed. Depth unknown.
20[18]  Afghanistan, Nuristan Province 6.6 35.0
21[19]  Philippines, northeast of Samar 6.4 35.0

June

June
Strongest magnitude6.7 Mw  New Zealand
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
28[20]  New Zealand, Hawke's Bay, North Island 6.7 25.0

July

July
Strongest magnitude7.4 Mw  Japan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[21]  Japan, Ryukyu Islands 7.4 35.0
15[22]  Dutch East Indies, off the northeast coast of Halmahera 6.0 140.0

August

August
Strongest magnitude5.9 Mw Italian Eritrea
Deadliest5.9 Mw Italian Eritrea
51+ deaths
Total fatalities51+
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.90
5.0–5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[23]  China, Liaoning Province 0.0 0.0 The magnitude, depth and location were unknown. A tsunami caused major flooding in the area. Some homes were destroyed.
14[24] Italian Eritrea, off the coast of Massawa 5.9 0.0 VIII The 1921 Massawa earthquake caused at least 51 deaths and major damage. 51+

September

September
Strongest magnitude7.6 Mw  Dutch East Indies
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
11[25][26]  Dutch East Indies, south of Java 7.6 15.0 Some light damage was reported on Java. A minor tsunami was reported.
27[27]  Japan, eastern Sea of Japan 6.5 5.0

October

October
Strongest magnitude7.2 Mw  Chile
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
10[28][29]  Dutch East Indies, Papua (province) 6.6 35.0 VII Some damage was reported.
12[30] British Solomon Islands, Kuril Islands 6.6 100.0
15[31] British Solomon Islands, Santa Cruz Islands 7.1 35.0
20[32]  Chile, Tarapaca Region 7.2 113.6

November

November
Strongest magnitude7.8 Mw  Afghanistan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
7[33][34]  Philippines, southeast of Mindanao 6.6 35.0 VIII Some homes were damaged.
11[35][36][37]  Philippines, east of Mindanao 7.4 15.0 VII A tsunami was reported. Some homes were damaged.
13[38]  Colombia, La Guajira Department 6.3 15.0
15[39]  Afghanistan, Badakhshan Province 7.8 240.0

December

December
Strongest magnitude7.3 Mw  Peru
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.90
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
8[40]  Japan, Ibaraki Prefecture, Honshu 7.0 35.0
18[41]  Peru, Loreto Region 7.3 540.0

References

  1. ^ "M 7.0 – Guatemala". United States Geological Survey. February 4, 1921. Retrieved December 19, 2015.
  2. ^ "M 6.3 – near the north coast of Papua, Indonesia". United States Geological Survey. February 19, 1921. Retrieved December 19, 2015.
  3. ^ "M 6.9 – near the north coast of Papua, Indonesia". United States Geological Survey. February 19, 1921. Retrieved December 19, 2015.
  4. ^ "M 7.4 – Tonga". United States Geological Survey. February 27, 1921. Retrieved December 19, 2015.
  5. ^ "Centennial Earthquake Catalog". United States Geological Survey. March 3, 1921. Retrieved December 19, 2015.
  6. ^ "M 6.6 – Nicobar Islands, India region". United States Geological Survey. March 5, 1921. Retrieved December 19, 2015.
  7. ^ "On-Line Bulletin". International Seismological Centre. March 23, 1921. Retrieved December 19, 2015.
  8. ^ "M 6.6 – near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. March 24, 1921. Retrieved December 19, 2015.
  9. ^ "M 7.3 – Honduras". United States Geological Survey. March 28, 1921. Retrieved December 19, 2015.
  10. ^ "Centennial Earthquake Catalog". United States Geological Survey. March 30, 1921. Retrieved December 19, 2015.
  11. ^ "M 6.8 – northern Sumatra, Indonesia". United States Geological Survey. April 1, 1921. Retrieved December 19, 2015.
  12. ^ "M 6.5 – Santa Cruz Islands region". United States Geological Survey. April 1, 1921. Retrieved December 19, 2015.
  13. ^ "M 7.0 – southwestern Ryukyu Islands, Japan". United States Geological Survey. April 2, 1921. Retrieved December 19, 2015.
  14. ^ "On-Line Bulletin". International Seismological Centre. April 10, 1921. Retrieved December 19, 2015.
  15. ^ "M 6.4 – offshore Colima, Mexico". United States Geological Survey. May 1, 1921. Retrieved December 19, 2015.
  16. ^ "M 6.4 – Bougainville region, Papua New Guinea". United States Geological Survey. May 12, 1921. Retrieved December 19, 2015.
  17. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  18. ^ "Centennial Earthquake Catalog". United States Geological Survey. May 20, 1921. Retrieved December 19, 2015.
  19. ^ "M 6.4 – Samar, Philippines". United States Geological Survey. May 21, 1921. Retrieved December 19, 2015.
  20. ^ "M 6.7 – North Island of New Zealand". United States Geological Survey. June 28, 1921. Retrieved December 19, 2015.
  21. ^ "Centennial Earthquake Catalog". United States Geological Survey. July 4, 1921. Retrieved December 19, 2015.
  22. ^ "On-Line Bulletin". International Seismological Centre. July 15, 1921. Retrieved December 19, 2015.
  23. ^ National Geophysical Data Center / World Data Service: NCEI/WDS Global Historical Tsunami Database. NOAA National Centers for Environmental Information. "Tsunami Event Information". NOAA National Centers for Environmental Information. doi:10.7289/V5PN93H7. Retrieved March 23, 2024.
  24. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  25. ^ "M 7.6 – south of Java, Indonesia". United States Geological Survey. September 11, 1921. Retrieved December 20, 2015.
  26. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  27. ^ "Centennial Earthquake Catalog". United States Geological Survey. September 27, 1921. Retrieved December 20, 2015.
  28. ^ "M 6.6 – Papua, Indonesia". United States Geological Survey. October 10, 1921. Retrieved December 20, 2015.
  29. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  30. ^ "Centennial Earthquake Catalog". United States Geological Survey. October 12, 1921. Retrieved December 20, 2015.
  31. ^ "M 7.1 – Santa Cruz Islands". United States Geological Survey. October 15, 1921. Retrieved December 20, 2015.
  32. ^ "Centennial Earthquake Catalog". United States Geological Survey. October 20, 1921. Retrieved December 20, 2015.
  33. ^ "M 6.6 – Mindanao, Philippines". United States Geological Survey. November 7, 1921. Retrieved December 20, 2015.
  34. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  35. ^ "M 7.4 – Philippine Islands region". United States Geological Survey. November 11, 1921. Retrieved December 20, 2015.
  36. ^ National Geophysical Data Center / World Data Service (NGDC/WDS): NCEI/WDS Global Significant Earthquake Database. NOAA National Centers for Environmental Information. (1972). "Significant Earthquake Information". NOAA National Centers for Environmental Information. doi:10.7289/V5TD9V7K. Retrieved March 23, 2024.
  37. ^ National Geophysical Data Center / World Data Service: NCEI/WDS Global Historical Tsunami Database. NOAA National Centers for Environmental Information. "Tsunami Event Information". NOAA National Centers for Environmental Information. doi:10.7289/V5PN93H7. Retrieved March 23, 2024.
  38. ^ "M 6.3 – near the coast of Venezuela". United States Geological Survey. November 13, 1921. Retrieved December 20, 2015.
  39. ^ "M 7.8 – Hindu Kush region, Afghanistan". United States Geological Survey. November 15, 1921. Retrieved December 20, 2015.
  40. ^ "Centennial Earthquake Catalog". United States Geological Survey. December 8, 1921. Retrieved December 20, 2015.
  41. ^ "M 7.3 – northern Peru". United States Geological Survey. December 18, 1921. Retrieved December 20, 2015.

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