List of earthquakes in 1923

Earthquakes in 1923
Approximate epicenters of the earthquakes in 1923
Strongest magnitude  Russia, eastern Kamchatka Peninsula, February 3 (Magnitude 8.4)
Deadliest  Japan, Kanagawa Prefecture, Honshu, September 1 (Magnitude 8.1) 186,283 deaths
Total fatalities 193,202
Number by magnitude
9.0+ 0
8.0−8.9 2
7.0−7.9 15
6.0−6.9 51
5.0−5.9 2
← 1922
1924 →

This is a list of earthquakes in 1923. 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. 1923 was a memorable year. Among the events was the great Tokyo, Japan earthquake. Other destructive earthquakes struck China, Iran, Colombia and Russia. The Kamchatka Peninsula, Russia and Japan saw very much activity this year.

Overall

By death toll

Rank Death toll Magnitude Location MMI Depth (km) Date
1 186,283 8.1  Japan, Kanagawa Prefecture, Honshu (') 15.0 September 1
2 3,500 7.0  China, Sichuan Province (') 15.0 March 24
3 2,200 5.7  Iran, Razavi Khorasan Province (') 0.0 May 25
4 418 6.8  Russia, eastern Kamchatka Peninsula (') 35.0 April 13
5 300 5.3  Colombia, Narino Department (') 0.0 December 14
6 290 6.8  Iran, Kerman Province (') 15.0 September 22
7 157 6.4  Iran, Razavi Khorasan Province (') 15.0 September 17
8 51 6.8  Ecuador, Pichincha Province (') 0.0 February 24
  • Note: At least 10 casualties

By magnitude

Rank Magnitude Death toll Location MMI Depth (km) Date
1 8.4 3  Russia, eastern Kamchatka Peninsula (') 15.0 February 3
2 8.1 186,283  Japan, Kanagawa Prefecture, Honshu (') 15.0 September 1
3 7.8 0  Japan, Chiba Prefecture, Honshu (') 15.0 September 2
4 7.4 0  Indonesia, Raja Ampat Islands (') 15.0 October 7
= 5 7.3 0  Russia, off the east coast of Kamchatka Peninsula (') 15.0 February 24
= 5 7.3 0  Japan, off the south coast of Honshu (') 35.0 September 1
= 6 7.2 0  Russia, off the east coast of Kamchatka Peninsula (') 35.0 February 2
= 6 7.2 0  Burma, Shan State (') 25.0 June 22
= 6 7.2 0  Papua New Guinea, northwest of Bougainville Island (') 145.1 November 2
= 7 7.1 0  Japan, off the east coast of Honshu (') 35.0 June 1
= 7 7.1 0  Japan, off the south coast of Honshu (') 35.0 September 2
= 8 7.0 0  Philippines, Mindanao (') 15.0 March 2
= 8 7.0 3,500  China, Sichuan Province (') 15.0 March 24
= 8 7.0 0  United States, south of the Alaska Peninsula (') 25.0 May 4
= 8 7.0 0  Japan, south of Kyushu (') 35.0 July 13
= 8 7.0 0  Japan, Tokyo Bay, Honshu (') 35.0 September 1
= 8 7.0 0  Papua New Guinea, southeast New Ireland (island) (') 35.0 November 4
  • Note: At least 7.0 magnitude

Notable events

January

January
Strongest magnitude 6.9 Mw  United States
Total fatalities 0
Number by magnitude
8.0−8.9 0
7.0−7.9 0
6.0−6.9 1
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

22[1][2] United States, off the coast of northern California6.915.0 data-sort-value="8.0" class="nowrap"| VIII Some damage was reported.

February

February
Strongest magnitude 8.4 Mw  Russia
Deadliest 6.8 Mw  Ecuador
51+ deaths
Total fatalities 54+
Number by magnitude
8.0−8.9 1
7.0−7.9 2
6.0−6.9 4
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[3] France, southeast of the Loyalty Islands6.930.0 data-sort-value="" class="nowrap"|
2[4] Russia, off the east coast of Kamchatka6.715.0 data-sort-value="" class="nowrap"| Foreshock.
2[5] Russia, off the east coast of Kamchatka7.235.0 data-sort-value="" class="nowrap"| Foreshock.
3[6][7][8] Russia, eastern Kamchatka8.415.0 data-sort-value="11.0" class="nowrap"| XI The 1923 Kamchatka earthquake generated a large tsunami which caused some damage. Three deaths were reported. Two were in Russia with the third being in Hawaii. Damage costs were $1.5 million (1923 rate).3
23[9] Indonesia, Central Sulawesi6.535.0 data-sort-value="" class="nowrap"|
24[10] Ecuador, Pichincha Province6.80.0 data-sort-value="9.0" class="nowrap"| IX At least 51 deaths were caused.51+
24[11][12] Russia, off the east coast of Kamchatka7.315.0 data-sort-value="" class="nowrap"| Some damage was caused.

March

March
Strongest magnitude 7.0 Mw 2 events
Deadliest 7.0 Mw  China
3,500 deaths
Total fatalities 3,500
Number by magnitude
8.0−8.9 0
7.0−7.9 2
6.0−6.9 2
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[13][14] Philippines, Mindanao7.015.0 data-sort-value="7.0" class="nowrap"| VII
14[15] Philippines, southeast of Mindanao6.435.0 data-sort-value="" class="nowrap"|
16[16] Philippines, southeast of Mindanao6.835.0 data-sort-value="" class="nowrap"|
24[17][18] China, Sichuan Province7.015.0 data-sort-value="10.0" class="nowrap"| X 3,500 people were killed. Many homes were destroyed.3,500

April

April
Strongest magnitude 6.8 Mw 2 events
Deadliest 6.8 Mw  Russia
18 deaths
Total fatalities 18
Number by magnitude
8.0−8.9 0
7.0−7.9 0
6.0−6.9 3
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

13[19][20][21] Russia, eastern Kamchatka6.835.0 data-sort-value="10.0" class="nowrap"| X 18 people were killed due to a tsunami in the area. 400 people were believed drowned in Korea. Major damage was reported.18
19[22] Indonesia, Kalimantan6.835.0 data-sort-value="" class="nowrap"|
23[23] Japan, Ryukyu Islands6.620.0 data-sort-value="" class="nowrap"|

May

May
Strongest magnitude 7.0 Mw  United States
Deadliest 5.7 Mw  Iran
2,200 deaths
Total fatalities 2,200
Number by magnitude
8.0−8.9 0
7.0−7.9 1
6.0−6.9 3
5.0−5.9 1
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[24] United States, south of the Alaska Peninsula7.025.0 data-sort-value="" class="nowrap"|
4[25][26] Chile, Atacama Region6.535.0 data-sort-value="" class="nowrap"| Some homes were damaged or destroyed.
12[27] Indonesia, Sunda Strait6.425.0 data-sort-value="" class="nowrap"|
15[28] Indonesia, off the south coast of Java0.00.0 data-sort-value="9.0" class="nowrap"| IX Damage was reported in the area. The magnitude and depth were unknown.
23[29] Russia, off the east coast of Kamchatka6.515.0 data-sort-value="" class="nowrap"|
25[30] Iran, Razavi Khorasan Province5.70.0 data-sort-value="10.0" class="nowrap"| X 2,200 deaths were reported. The depth was unknown.2,200
  • Japan A magnitude 6.9 earthquake struck off the east coast of Honshu, Japan on June 1 at a depth of 15.0 km.[31]
  • Japan A magnitude 7.1 earthquake struck off the east coast of Honshu, Japan on June 1 at a depth of 35.0 km.[32] This event came just under three hours after the previous one and can be considered a doublet earthquake. Another point to note is that these events came exactly three months before the catastrophic 1923 Great Kantō earthquake.
  • Tonga A magnitude 6.8 earthquake struck Tonga on June 18 at a depth of 15.0 km.[33]
  • Myanmar A magnitude 7.2 earthquake struck Shan State, Burma on June 22 at a depth of 25.0 km.[34]

July–September

  • Taiwan A magnitude 6.2 earthquake struck north of Taiwan on July 2 at a depth of 25.0 km.[35]
  • Fiji A magnitude 6.4 earthquake struck just north of Vanua Levu, Fiji on July 12 at a depth of 15.0 km.[36]
  • Japan A magnitude 7.0 earthquake struck off the south coast of Kyushu, Japan on July 13 at a depth of 35.0 km.[37]
  • Japan A magnitude 6.6 earthquake struck just east of Tanegashima, Japan on July 13 at a depth of 35.0 km. This appears to have been an aftershock of the earlier event.[38]
  • United States A magnitude 6.2 earthquake struck south of Loma Linda, California on July 23 at a depth of 35.0 km.[39] Two people were injured in the earthquake and some relatively minor damage was caused.[40]
  • Greece A magnitude 6.5 earthquake struck south of Crete, Greece on August 1 at a depth of 35.0 km.[41]
  • Venezuela A magnitude 6.3 earthquake struck Sucre, Venezuela on August 8 at a depth of 110.0 km.[42]
  • Malaysia A magnitude 6.3 earthquake struck Sabah, Malaysia on August 11 at a depth of 35.0 km.[43]
  • Japan A magnitude 6.6 earthquake struck the Ryukyu Islands, Japan on August 12 at a depth of 35.0 km.[44]
  • Mexico A magnitude 6.5 earthquake struck the Gulf of California, Mexico on August 28 at a depth of 10.0 km.[45]
  • Japan A magnitude 8.1 earthquake struck Kanagawa Prefecture, Honshu, Japan on September 1 at a depth of 15.0 km.[46] The human and material cost of the earthquake and subsequent fires was staggering. The death toll was 142,807 with another 43,476 people missing. Another 47,000 were injured. The damage costs were approximately $600 million (1923 rate) and the disaster led to 695,000 homes being destroyed. Many aftershocks followed in the weeks after the mainshock.[47]
  • Japan The biggest aftershocks (until December 31, 1923) of the 1923 Great Kantō earthquake are displayed in the following table:
DateTime
(UTC)		LatitudeLongitudeDepthMagnitude
1923-09-0103:01:0035.100° N139.500° E60.0 km (37 mi)6.5[48]
1923-09-0103:03:0035.100° N139.500° E35.0 km (22 mi)7.3[49]
1923-09-0103:23:0035.400° N139.400° E35.0 km (22 mi)6.6[50]
1923-09-0103:39:0035.200° N139.700° E35.0 km (22 mi)6.6[51]
1923-09-0103:48:0035.400° N139.800° E35.0 km (22 mi)7.0[52]
1923-09-0105:23:0035.400° N139.000° E35.0 km (22 mi)6.7[53]
1923-09-0106:19:0035.500° N140.500° E35.0 km (22 mi)6.5[54]
1923-09-0107:38:0635.196° N139.244° E15.0 km (9 mi)6.4[55]
1923-09-0202:46:4135.007° N139.926° E15.0 km (9 mi)7.8[56]
1923-09-0209:27:0034.900° N140.500° E35.0 km (22 mi)7.1[57]
1923-09-0213:09:0035.300° N139.100° E5.0 km (3 mi)6.5[58]
1923-09-2608:23:4534.552° N139.133° E10.0 km (6 mi)6.5[59]

October–December

References

  1. ↑ "M 6.9 - offshore Northern California". United States Geological Survey. January 22, 1923. Retrieved December 25, 2015.
  2. ↑ "Significant Earthquake: CALIFORNIA: NORTHERN". National Geophysical Data Center. January 22, 1923. Retrieved December 25, 2015.
  3. ↑ "M 6.9 - southeast of the Loyalty Islands". United States Geological Survey. February 1, 1923. Retrieved December 25, 2015.
  4. ↑ "M 6.7 - off the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. February 2, 1923. Retrieved December 25, 2015.
  5. ↑ "M 7.2 - near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. February 2, 1923. Retrieved December 25, 2015.
  6. ↑ "M 8.4 - near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. February 3, 1923. Retrieved December 25, 2015.
  7. ↑ "Significant Earthquake: RUSSIA: KAMCHATKA". National Geophysical Data Center. February 3, 1923. Retrieved December 25, 2015.
  8. ↑ "Tsunami Event: KAMCHATKA". National Geophysical Data Center. February 3, 1923. Retrieved December 25, 2015.
  9. ↑ "M 6.5 - Sulawesi, Indonesia". United States Geological Survey. February 23, 1923. Retrieved December 25, 2015.
  10. ↑ "Significant Earthquake: ECUADOR". National Geophysical Data Center. February 24, 1923. Retrieved December 25, 2015.
  11. ↑ "M 7.3 - off the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. February 24, 1923. Retrieved December 25, 2015.
  12. ↑ "Significant Earthquake: RUSSIA: KAMCHATKA PENINSULA". National Geophysical Data Center. February 24, 1923. Retrieved July 7, 2018.
  13. ↑ "M 7.0 - Mindanao, Philippines". United States Geological Survey. March 2, 1923. Retrieved December 25, 2015.
  14. ↑ "Significant Earthquake: PHILIPPINES: MINDANAO ISLAND". National Geophysical Data Center. March 2, 1923. Retrieved July 7, 2018.
  15. ↑ "M 6.4 - Mindanao, Philippines". United States Geological Survey. March 14, 1923. Retrieved December 25, 2015.
  16. ↑ "M 6.8 - Philippine Islands region". United States Geological Survey. March 16, 1923. Retrieved December 25, 2015.
  17. ↑ "M 7.0 - western Sichuan, China". United States Geological Survey. March 24, 1923. Retrieved December 25, 2015.
  18. ↑ "Significant Earthquake: CHINA: SICHUAN PROVINCE". National Geophysical Data Center. March 24, 1923. Retrieved December 25, 2015.
  19. ↑ "M 6.8 - near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. April 13, 1923. Retrieved December 25, 2015.
  20. ↑ "Significant Earthquake: RUSSIA: NEAR KAMCHATKA". National Geophysical Data Center. April 13, 1923. Retrieved December 25, 2015.
  21. ↑ "Tsunami Event: KAMCHATKA". National Geophysical Data Center. April 13, 1923. Retrieved December 25, 2015.
  22. ↑ "M 6.8 - Kalimantan, Indonesia". United States Geological Survey. April 19, 1923. Retrieved December 26, 2015.
  23. ↑ "M 6.6 - Ryukyu Islands, Japan". United States Geological Survey. April 23, 1923. Retrieved December 26, 2015.
  24. ↑ "M 7.0 - south of Alaska". United States Geological Survey. May 4, 1923. Retrieved December 26, 2015.
  25. ↑ "M 6.5 - Atacama, Chile". United States Geological Survey. May 4, 1923. Retrieved December 26, 2015.
  26. ↑ "Significant Earthquake: CHILE: VALLENAR". National Geophysical Data Center. May 4, 1923. Retrieved December 26, 2015.
  27. ↑ "M 6.4 - Sunda Strait, Indonesia". United States Geological Survey. May 12, 1923. Retrieved December 26, 2015.
  28. ↑ "Significant Earthquake: INDONESIA: JAVA: MAOS". National Geophysical Data Center. May 15, 1923. Retrieved December 26, 2015.
  29. ↑ "M 6.5 - off the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. May 23, 1923. Retrieved December 26, 2015.
  30. ↑ "Significant Earthquake: IRAN: TURBAT-HAKLARI". National Geophysical Data Center. May 25, 1923. Retrieved December 26, 2015.
  31. ↑ "M6.9 - near the east coast of Honshu, Japan". United States Geological Survey. June 1, 1923. Retrieved December 27, 2015.
  32. ↑ "Centennial Earthquake Catalog". United States Geological Survey. June 1, 1923. Retrieved December 27, 2015.
  33. ↑ "M6.8 - Tonga". United States Geological Survey. June 18, 1923. Retrieved December 27, 2015.
  34. ↑ "M7.2 - Myanmar". United States Geological Survey. June 22, 1923. Retrieved December 27, 2015.
  35. ↑ "M6.2 - Taiwan region". United States Geological Survey. July 2, 1923. Retrieved December 27, 2015.
  36. ↑ "M6.4 - Fiji". United States Geological Survey. July 12, 1923. Retrieved December 27, 2015.
  37. ↑ "M7.0 - Kyushu, Japan". United States Geological Survey. July 13, 1923. Retrieved December 27, 2015.
  38. ↑ "Centennial Earthquake Catalog". United States Geological Survey. July 13, 1923. Retrieved December 27, 2015.
  39. ↑ "On-Line Bulletin". International Seismological Centre. July 23, 1923. Retrieved December 27, 2015.
  40. ↑ "North San Jacinto Fault Earthquake". Southern California Earthquake Data Center. July 23, 1923. Retrieved December 27, 2015.
  41. ↑ "Centennial Earthquake Catalog". United States Geological Survey. August 1, 1923. Retrieved December 27, 2015.
  42. ↑ "M6.3 - Sucre, Venezuela". United States Geological Survey. August 8, 1923. Retrieved December 27, 2015.
  43. ↑ "M6.3 - Sabah, Malaysia". United States Geological Survey. August 11, 1923. Retrieved December 27, 2015.
  44. ↑ "Centennial Earthquake Catalog". United States Geological Survey. August 12, 1923. Retrieved December 27, 2015.
  45. ↑ "M6.5 - Gulf of California". United States Geological Survey. August 28, 1923. Retrieved December 27, 2015.
  46. ↑ "M8.1 - near the south coast of Honshu, Japan". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  47. ↑ "Significant Earthquake JAPAN: TOKYO, YOKOHAMA". National Geophysical Data Center. September 1, 1923. Retrieved December 27, 2015.
  48. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  49. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  50. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  51. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  52. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  53. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  54. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  55. ↑ "M6.4 - near the south coast of Honshu, Japan". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  56. ↑ "M7.8 - near the south coast of Honshu, Japan". United States Geological Survey. September 2, 1923. Retrieved December 27, 2015.
  57. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 2, 1923. Retrieved December 27, 2015.
  58. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 2, 1923. Retrieved December 27, 2015.
  59. ↑ "M6.5 - near the south coast of Honshu, Japan". United States Geological Survey. September 26, 1923. Retrieved December 27, 2015.
  60. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 2, 1923. Retrieved December 27, 2015.
  61. ↑ "M6.8 - Bangladesh". United States Geological Survey. September 9, 1923. Retrieved December 27, 2015.
  62. ↑ "On-Line Bulletin". International Seismological Centre. September 14, 1923. Retrieved December 27, 2015.
  63. ↑ "M6.5 - near the north coast of Papua, Indonesia". United States Geological Survey. September 16, 1923. Retrieved December 27, 2015.
  64. ↑ "M6.4 - northeastern Iran". United States Geological Survey. September 17, 1923. Retrieved December 27, 2015.
  65. ↑ "Significant Earthquake IRAN: QALEH JAQ KMEN: BODZHNURD". National Geophysical Data Center. September 17, 1923. Retrieved December 27, 2015.
  66. ↑ "M6.8 - southern Iran". United States Geological Survey. September 22, 1923. Retrieved December 27, 2015.
  67. ↑ "Significant Earthquake IRAN: SIRJAN". National Geophysical Data Center. September 22, 1923. Retrieved December 27, 2015.
  68. ↑ "M6.3 - Pakistan". United States Geological Survey. October 1, 1923. Retrieved December 27, 2015.
  69. ↑ "M7.4 - Papua region, Indonesia". United States Geological Survey. October 7, 1923. Retrieved December 27, 2015.
  70. ↑ "M6.5 - Jan Mayen Island region". United States Geological Survey. October 10, 1923. Retrieved December 27, 2015.
  71. ↑ "M6.3 - Sumba region, Indonesia". United States Geological Survey. October 15, 1923. Retrieved December 27, 2015.
  72. ↑ "Centennial Earthquake Catalog". United States Geological Survey. November 2, 1923. Retrieved December 28, 2015.
  73. ↑ "On-Line Bulletin". International Seismological Centre. November 3, 1923. Retrieved December 28, 2015.
  74. ↑ "M6.8 - Ryukyu Islands, Japan". United States Geological Survey. November 3, 1923. Retrieved December 28, 2015.
  75. ↑ "M7.0 - New Ireland region, Papua New Guinea". United States Geological Survey. November 4, 1923. Retrieved December 28, 2015.
  76. ↑ "M6.9 - Ryukyu Islands, Japan". United States Geological Survey. November 5, 1923. Retrieved December 28, 2015.
  77. ↑ "M6.2 - Araucania, Chile". United States Geological Survey. November 6, 1923. Retrieved December 28, 2015.
  78. ↑ "Centennial Earthquake Catalog". United States Geological Survey. November 6, 1923. Retrieved December 28, 2015.
  79. ↑ "M6.6 - Taiwan region". United States Geological Survey. November 18, 1923. Retrieved December 28, 2015.
  80. ↑ "Centennial Earthquake Catalog". United States Geological Survey. November 6, 1923. Retrieved December 28, 2015.
  81. ↑ "M6.2 - Aegean Sea". United States Geological Survey. December 5, 1923. Retrieved December 28, 2015.
  82. ↑ "Significant Earthquake COLOMBIA: IPIALES". National Geophysical Data Center. December 14, 1923. Retrieved December 28, 2015.
  83. ↑ "M6.5 - Tajikistan". United States Geological Survey. December 28, 1923. Retrieved December 28, 2015.
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