List of earthquakes in 1947

This is a list of earthquakes in 1947. 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. Although a fairly busy year in terms of magnitude 7.0+ events, the death toll was relatively low at 745. Up to 733 deaths were attributed to two events in Iran and Peru. The largest events measured 7.6 which compared with recent years was quite modest. Magnitude 7.0+ earthquakes were generally spread around the world with Indonesia seeing the most.

Earthquakes in 1947
Approximate epicenters of the earthquakes in 1947
Strongest magnitude2 events reached magnitude 7.6
Deadliest Iran, South Khorasan Province (Magnitude 6.9) September 23 500 deaths
Total fatalities745
Number by magnitude
9.0+0
8.0−8.90
7.0−7.917
6.0−6.925
5.0−5.93
← 1946
1948 →

Overall

By death toll
Rank Death toll Magnitude Location MMI Depth (km) Date
1 500 6.9  Iran, South Khorasan Province VIII (Severe) 15.0 September 23
2 233 7.6  Peru, Junin Region X (Extreme) 20.0 November 1
  • Note: At least 10 casualties

By magnitude
Rank Magnitude Death toll Location MMI Depth (km) Date
= 1 7.6 0  Indonesia, off the north coast of Papua (province) VI (Strong) 15.0 May 27
= 1 7.6 233  Peru, Junin Region X (Extreme) 20.0 November 1
2 7.4 0  Taiwan, northeast of ( ) 121.5 September 26
= 3 7.3 0  Republic of China (1912-1949), Qinghai Province VII (Very strong) 15.0 March 17
= 3 7.3 0  Indonesia, off the north coast of Papua (province) VII (Very strong) 15.0 April 2
= 3 7.3 0  India, Arunachal Pradesh VII (Very strong) 20.0 July 29
= 3 7.3 3  Greece, Peloponnese (region) VII (Very strong) 15.0 October 6
= 4 7.2 0  Nicaragua, eastern Managua ( ) 162.5 January 26
= 4 7.2 0  Argentina, Santiago del Estero Province ( ) 565.8 January 29
= 4 7.2 0  United States, Northern Mariana Islands ( ) 35.0 June 19
= 4 7.2 0  United States, central Alaska VIII (Severe) 26.0 October 16
= 5 7.0 0  New Zealand, Hawke's Bay Region VI (Strong) 165.0 March 25
= 5 7.0 0  Philippines, Leyte VII (Very strong) 15.0 June 7
= 5 7.0 0  Indonesia, Molucca Sea VI (Strong) 15.0 June 12
= 5 7.0 0  United States, Northern Mariana Islands ( ) 35.0 June 13
= 5 7.0 0  Japan, eastern Sea of Japan V (Moderate) 15.0 November 4
= 5 7.0 0 Southeast Indian Ridge ( ) 60.0 December 24
  • Note: At least 7.0 magnitude

Notable events

January
January
Strongest magnitude7.2 Mw 2 events
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

3[1] Soviet Union, east of Kuril Islands, Russia6.515.0
21[2] Chile, Antofagasta Region6.835.2
26[3][4] Nicaragua, eastern Managua7.2162.5 Some damage was caused.
29[5] Argentina, Santiago del Estero Province7.2565.8

February
February
Strongest magnitude6.8 Mw  Japan
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[6] New Hebrides, Vanuatu6.5130.0
7[7][8] United Kingdom, Solomon Islands6.315.0VII
10[9][10] Republic of China (1912-1949), western Xizang6.515.0VII
18[11] Japan, off the south coast of Honshu6.8429.0

March
March
Strongest magnitude7.3 Mw  Republic of China (1912-1949)
Deadliest5.5 Mw  Republic of China (1912-1949)
1 death
Total fatalities1
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.91
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[12][13] Australia, Madang Province, Papua New Guinea6.635.0VII
17[14][15] Republic of China (1912-1949), Qinghai Province7.315.0VII
25[16][17][18][19] New Zealand, Hawke's Bay Region7.0165.0VI Some damage was caused. A small tsunami was reported.
26[20] Republic of China (1912-1949), Yunnan Province5.50.0VII 1 person was killed and at least 1 was injured. Many homes were destroyed.11+

April
April
Strongest magnitude7.3 Mw  Indonesia
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[21][22] Indonesia, off the north coast of Papua (province)7.315.0VII
10[23][24][25] United States, Mojave Desert, California6.56.0VIII Surface ruptures were observed which was significant for the area. Some minor damage was caused.
14[26] Soviet Union, east of the Kuril Islands, Russia6.930.0

May
May
Strongest magnitude7.6 Mw  Indonesia
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

6[27][28] Australia, southwest of New Britain, Papua New Guinea6.835.0VI
27[29] Indonesia, Alor Archipelago6.5100.0
27[30][31] Indonesia, off the north coast of Papua (province)7.615.0VI

June
June
Strongest magnitude7.2 Mw  United States
Deadliest5.5 Mw  Republic of China (1912-1949)
3 deaths
Total fatalities3
Number by magnitude
8.0−8.90
7.0−7.94
6.0−6.91
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[32] Greece, Central Macedonia6.080.0
7[33] Republic of China (1912-1949), Sichuan Province5.50.0VII 3 people were killed and some homes collapsed.3
7[34][35] Philippines, Leyte7.015.0VII
12[36][37] Indonesia, Molucca Sea7.015.0VI
13[38] United States, Northern Mariana Islands7.035.0 rowspan="2"| Doublet earthquake.
19[39] United States, Northern Mariana Islands7.235.0

July
July
Strongest magnitude7.3 Mw  India
Deadliest0.0 Mw  Colombia
2 deaths
Total fatalities2
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

10[40] India, Himachal Pradesh6.060.0
14[41][42] Colombia, Narino Department0.010.0IX 2 people were killed and some damage was reported. Magnitude unknown.2
25[43] Argentina, Salta Province6.2580.0
26[44] Soviet Union, Kuril Islands, Russia6.580.0
29[45][46] India, Arunachal Pradesh7.320.0VII 1947 Assam earthquake.

August
August
Strongest magnitude6.8 Mw 2 events
Deadliest5.3 Mw  France
3 deaths
Total fatalities3
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.93
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

5[47][48] India, off the coast of Pakistan6.815.0VII
6[49] Brazil, Acre (state)6.8603.3
6[50] France, off the coast of Algeria5.30.0IX 3 people were killed and at least 101 were injured. Some damage was reported. Depth unknown.3101+
7[51][52] Cuba, southeast of6.635.0VI

September
September
Strongest magnitude7.4 Mw  Taiwan
Deadliest6.9 Mw  Iran
500 deaths
Total fatalities500
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

2[53] Tonga6.8230.0
3[54] Soviet Union, Kuril Islands, Russia6.8110.0
23[55][56][57] Iran, South Khorasan Province6.915.0VIII 500 people were killed and major damage was caused.500
26[58] Taiwan, northeast of7.4121.5

October
October
Strongest magnitude7.3 Mw  Greece
Deadliest7.3 Mw  Greece
3 deaths
Total fatalities3
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

3[59] Iran, Kerman Province6.235.0
6[60][61][62] Greece, Peloponnese (region)7.315.0IX 3 people were killed and 20 were injured. 7,000 homes were destroyed.320
16[63][64] United States, central Alaska7.226.0VIII Some damage was caused in the area.

November
November
Strongest magnitude7.6 Mw  Peru
Deadliest7.6 Mw  Peru
233 deaths
Total fatalities233
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.93
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[65][66][67] Peru, Junin Region7.620.0X 233 people were killed and major damage was caused.233
4[68][69][70] Japan, eastern Sea of Japan7.015.0V A tsunami generated some damage on the coast of Hokkaido.
9[71] France, southeast of the Loyalty Islands, New Caledonia6.615.0
14[72] Japan, northern Hokkaido6.7160.0
23[73][74] United States, western Montana6.15.0VIII

December
December
Strongest magnitude7.0 Mw Southeast Indian Ridge
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.90
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

24[75]Southeast Indian Ridge7.060.0


References
  1. "M 6.5 - east of the Kuril Islands". United States Geological Survey. January 3, 1947. Retrieved September 23, 2016.
  2. "On-Line Bulletin". International Seismological Centre. January 21, 1947. Retrieved September 23, 2016.
  3. "On-Line Bulletin". International Seismological Centre. January 26, 1947. Retrieved September 23, 2016.
  4. "Significant Earthquake: EL SALVADOR: LA UNION". National Geophysical Data Center. January 26, 1947. Retrieved September 23, 2016.
  5. "On-Line Bulletin". International Seismological Centre. January 29, 1947. Retrieved September 23, 2016.
  6. "On-Line Bulletin". International Seismological Centre. February 2, 1947. Retrieved September 23, 2016.
  7. "M 6.3 - Solomon Islands". United States Geological Survey. February 7, 1947. Retrieved August 15, 2020.
  8. "M 6.3 - Solomon Islands". United States Geological Survey. February 7, 1947. Retrieved August 15, 2020.
  9. "M 6.5 - western Xizang". United States Geological Survey. February 10, 1947. Retrieved September 23, 2016.
  10. "M 6.5 - western Xizang". United States Geological Survey. February 10, 1947. Retrieved August 15, 2020.
  11. "On-Line Bulletin". International Seismological Centre. February 18, 1947. Retrieved September 23, 2016.
  12. "M 6.6 - near the north coast of New Guinea, Papua New Guinea". United States Geological Survey. March 2, 1947. Retrieved September 23, 2016.
  13. "M 6.6 - near the north coast of New Guinea, Papua New Guinea". United States Geological Survey. March 2, 1947. Retrieved August 15, 2020.
  14. "M 7.3 - Qinghai-Sichuan border region, China". United States Geological Survey. March 17, 1947. Retrieved September 23, 2016.
  15. "M 7.3 - Qinghai-Sichuan border region, China". United States Geological Survey. March 17, 1947. Retrieved August 15, 2020.
  16. "M 7.0 - North Island of New Zealand". United States Geological Survey. March 25, 1947. Retrieved September 23, 2016.
  17. "M 7.0 - North Island of New Zealand". United States Geological Survey. March 25, 1947. Retrieved August 15, 2020.
  18. "Significant Earthquake: NEW ZEALAND: OFF COAST NORTH ISLAND". National Geophysical Data Center. March 25, 1947. Retrieved September 23, 2016.
  19. "Tsunami Event: OFF COAST OF NORTH ISLAND". National Geophysical Data Center. March 25, 1947. Retrieved September 23, 2016.
  20. "Significant Earthquake: CHINA: YUNNAN PROVINCE". National Geophysical Data Center. March 26, 1947. Retrieved September 23, 2016.
  21. "M 7.3 - near the north coast of Papua, Indonesia". United States Geological Survey. April 2, 1947. Retrieved September 23, 2016.
  22. "M 7.3 - near the north coast of Papua, Indonesia". United States Geological Survey. April 2, 1947. Retrieved August 15, 2020.
  23. "M 6.5 - 34km SSE of Fort Irwin, CA". United States Geological Survey. April 10, 1947. Retrieved September 23, 2016.
  24. "M 6.5 - 34km SSE of Fort Irwin, CA". United States Geological Survey. April 10, 1947. Retrieved August 15, 2020.
  25. "Manix Earthquake". Caltech. April 10, 1947. Retrieved August 15, 2020.
  26. "M 6.9 - east of the Kuril Islands". United States Geological Survey. April 14, 1947. Retrieved September 23, 2016.
  27. "M 6.8 - New Britain region, Papua New Guinea". United States Geological Survey. May 6, 1947. Retrieved September 23, 2016.
  28. "M 6.8 - New Britain region, Papua New Guinea". United States Geological Survey. May 6, 1947. Retrieved August 16, 2020.
  29. "On-Line Bulletin". International Seismological Centre. May 27, 1947. Retrieved September 23, 2016.
  30. "M 7.6 - near the north coast of Papua, Indonesia". United States Geological Survey. May 27, 1947. Retrieved September 23, 2016.
  31. "M 7.6 - near the north coast of Papua, Indonesia". United States Geological Survey. May 27, 1947. Retrieved August 16, 2020.
  32. "On-Line Bulletin". International Seismological Centre. June 4, 1947. Retrieved September 25, 2016.
  33. "Significant Earthquake: CHINA: SICHUAN PROVINCE". National Geophysical Data Center. June 7, 1947. Retrieved September 25, 2016.
  34. "M 7.0 - Leyte, Philippines". United States Geological Survey. June 7, 1947. Retrieved September 25, 2016.
  35. "M 7.0 - Leyte, Philippines". United States Geological Survey. June 7, 1947. Retrieved August 16, 2020.
  36. "M 7.0 - Molucca Sea". United States Geological Survey. June 12, 1947. Retrieved September 25, 2016.
  37. "M 7.0 - Molucca Sea". United States Geological Survey. June 12, 1947. Retrieved August 16, 2020.
  38. "M 7.0 - Mariana Islands region". United States Geological Survey. June 13, 1947. Retrieved September 25, 2016.
  39. "M 7.2 - Mariana Islands region". United States Geological Survey. June 19, 1947. Retrieved September 25, 2016.
  40. "On-Line Bulletin". International Seismological Centre. July 10, 1947. Retrieved September 25, 2016.
  41. "Significant Earthquake: COLOMBIA: PASTO". National Geophysical Data Center. July 14, 1947. Retrieved September 25, 2016.
  42. "The Pasto, Colombia, earthquake of July 14, 1947". Bulletin of the Seismological Society of America. July 14, 1947. Retrieved August 16, 2020.
  43. "On-Line Bulletin". International Seismological Centre. July 25, 1947. Retrieved September 25, 2016.
  44. "On-Line Bulletin". International Seismological Centre. July 26, 1947. Retrieved September 25, 2016.
  45. "M 7.3 - eastern Xizang-India border region". United States Geological Survey. July 29, 1947. Retrieved September 25, 2016.
  46. "M 7.3 - eastern Xizang-India border region". United States Geological Survey. July 29, 1947. Retrieved August 16, 2020.
  47. "M 6.8 - southwestern Pakistan". United States Geological Survey. August 5, 1947. Retrieved September 25, 2016.
  48. "M 6.8 - southwestern Pakistan". United States Geological Survey. August 5, 1947. Retrieved August 16, 2020.
  49. "On-Line Bulletin". International Seismological Centre. August 6, 1947. Retrieved September 25, 2016.
  50. "Significant Earthquake: ALGERIA". National Geophysical Data Center. August 6, 1947. Retrieved September 25, 2016.
  51. "M 6.6 - Cuba region". United States Geological Survey. August 7, 1947. Retrieved September 25, 2016.
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  53. "On-Line Bulletin". International Seismological Centre. September 2, 1947. Retrieved September 25, 2016.
  54. "On-Line Bulletin". International Seismological Centre. September 3, 1947. Retrieved September 25, 2016.
  55. "M 6.9 - eastern Iran". United States Geological Survey. September 23, 1947. Retrieved September 25, 2016.
  56. "M 6.9 - eastern Iran". United States Geological Survey. September 23, 1947. Retrieved August 16, 2020.
  57. "Significant Earthquake: IRAN: DUSTABAD". National Geophysical Data Center. September 23, 1947. Retrieved September 25, 2016.
  58. "On-Line Bulletin". International Seismological Centre. September 26, 1947. Retrieved September 25, 2016.
  59. "On-Line Bulletin". International Seismological Centre. October 3, 1947. Retrieved September 25, 2016.
  60. "M 7.3 - southern Greece". United States Geological Survey. October 6, 1947. Retrieved September 25, 2016.
  61. "M 7.3 - southern Greece". United States Geological Survey. October 6, 1947. Retrieved August 16, 2020.
  62. "Significant Earthquake: GREECE: S: PYLIA (MESSINIA)". National Geophysical Data Center. October 6, 1947. Retrieved September 25, 2016.
  63. "M 7.2 - Central Alaska". United States Geological Survey. October 16, 1947. Retrieved September 25, 2016.
  64. "M 7.2 - Central Alaska". United States Geological Survey. October 16, 1947. Retrieved August 16, 2020.
  65. "M 7.6 - central Peru". United States Geological Survey. November 1, 1947. Retrieved September 25, 2016.
  66. "M 7.6 - central Peru". United States Geological Survey. November 1, 1947. Retrieved August 16, 2020.
  67. "Significant Earthquake: PERU: SATIPO,ANDAMARCA,ACOBAMBA,LA MERCED,VICTOC". National Geophysical Data Center. November 1, 1947. Retrieved September 25, 2016.
  68. "M 7.0 - eastern Sea of Japan". United States Geological Survey. November 4, 1947. Retrieved September 25, 2016.
  69. "M 7.0 - eastern Sea of Japan". United States Geological Survey. November 4, 1947. Retrieved August 16, 2020.
  70. "Tsunami Event: W. HOKKAIDO ISLAND". National Geophysical Data Center. November 4, 1947. Retrieved September 25, 2016.
  71. "M 6.6 - southeast of the Loyalty Islands". United States Geological Survey. November 9, 1947. Retrieved September 25, 2016.
  72. "On-Line Bulletin". International Seismological Centre. November 14, 1947. Retrieved September 25, 2016.
  73. "M 6.1 - western Montana". United States Geological Survey. November 23, 1947. Retrieved August 16, 2020.
  74. "M 6.1 - western Montana". United States Geological Survey. November 23, 1947. Retrieved August 16, 2020.
  75. "On-Line Bulletin". International Seismological Centre. December 24, 1947. Retrieved September 25, 2016.
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