Earthquakes in 1923
List of earthquakes in 1923 is located in Earth
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
List of earthquakes in 1923
Approximate epicenters of the earthquakes in 1923
Strongest magnitude Russian SFSR, eastern Kamchatka Peninsula, February 3 (Magnitude 8.4)
Deadliest Japan, Kanagawa Prefecture, Honshu, September 1 (Magnitude 8.1) 186,283 deaths
Total fatalities194,102
Number by magnitude
9.0+0
8.0–8.92
7.0–7.915
6.0–6.951
5.0–5.92
← 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 7.9  Japan, Kanagawa Prefecture, Honshu XI (Extreme) 15.0 September 1
2 4,800 7.0  China, Sichuan X (Extreme) 15.0 March 24
3 2,200 5.7 Iran, Razavi Khorasan Province X (Extreme) 0.0 May 25
4 300 5.3  Colombia, Narino Department IX (Violent) 0.0 December 14
5 290 6.8 Iran, Kerman Province ( ) 15.0 September 22
6 157 6.4 Iran, Razavi Khorasan Province ( ) 15.0 September 17
7 51 6.8  Ecuador, Pichincha Province IX (Violent) 0.0 February 24
8 18 6.8 Russian SFSR, eastern Kamchatka Peninsula X (Extreme) 35.0 April 13
  • Note: At least 10 casualties

By magnitude

Rank Magnitude Death toll Location MMI Depth (km) Date
1 8.4 3 Russian SFSR, eastern Kamchatka Peninsula XI (Extreme) 15.0 February 3
2 8.1 186,283  Japan, Kanagawa Prefecture, Honshu XI (Extreme) 15.0 September 1
3 7.8 0  Japan, Chiba Prefecture, Honshu ( ) 15.0 September 2
4 7.4 0  Dutch East Indies, Raja Ampat Islands ( ) 15.0 October 7
= 5 7.3 0 Russian SFSR, 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 Russian SFSR, off the east coast of Kamchatka Peninsula ( ) 35.0 February 2
= 6 7.2 0 British Burma, Shan State ( ) 25.0 June 22
= 6 7.2 0  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 VII (Very strong) 15.0 March 2
= 8 7.0 4,800  China, Sichuan X (Extreme) 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  New Guinea, southeast New Ireland (island) ( ) 35.0 November 4
  • Note: At least 7.0 magnitude

Notable events

January

January
Strongest magnitude6.9 Mw  United States
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

22[1][2] United States, off the coast of northern California6.915.0VIII Some damage was reported.

February

February
Strongest magnitude8.4 Mw Russian SFSR
Deadliest6.8 Mw  Ecuador
51+ deaths
Total fatalities54+
Number by magnitude
8.0–8.91
7.0–7.92
6.0–6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[3] France, southeast of the Loyalty Islands6.930.0
2[4] Russian SFSR, off the east coast of Kamchatka6.715.0 Foreshock.
2[5] Russian SFSR, off the east coast of Kamchatka7.235.0 Foreshock.
3 [6][7][8] Russian SFSR, eastern Kamchatka8.415.0XI The February 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] Dutch East Indies, Central Sulawesi6.535.0
24 [10] Ecuador, Pichincha Province6.80.0IX At least 51 deaths were caused.51+
24 [11][12] Russian SFSR, off the east coast of Kamchatka7.315.0 Some damage was caused.

March

March
Strongest magnitude7.0 Mw 2 events
Deadliest7.0 Mw  China
4,800 deaths
Total fatalities4,800
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

2[13][14] Philippines, Mindanao7.015.0VII
14[15] Philippines, southeast of Mindanao6.435.0
16[16] Philippines, southeast of Mindanao6.835.0
24 [17][18] China, Sichuan7.015.0X The 1923 Renda earthquake killed 4,800 people and caused major property damage.4,800

April

April
Strongest magnitude8.2 Mw 2 events
Deadliest8.2 Mw Russian SFSR
18 deaths
Total fatalities18
Number by magnitude
8.0–8.91
7.0–7.90
6.0–6.93
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

13 [19][20][21][22] Russian SFSR, eastern Kamchatka8.235.0X 18 people were killed due to a tsunami caused by the April 1923 Kamchatka earthquake and tsunami. 400 people were believed drowned in Korea. Major damage was reported.18
19[23] Dutch East Indies, Kalimantan6.835.0
23[24] Japan, Ryukyu Islands6.620.0

May

May
Strongest magnitude7.0 Mw  United States
Deadliest5.7 Mw Iran
2,200 deaths
Total fatalities2,200
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.93
5.0–5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[25] United States, south of the Alaska Peninsula7.025.0
4 [26][27] Chile, Atacama Region6.535.0 Some homes were damaged or destroyed.
12[28] Dutch East Indies, Sunda Strait6.425.0
15[29] Dutch East Indies, off the south coast of Java0.00.0IX Damage was reported in the area. The magnitude and depth were unknown.
23[30] Russian SFSR, off the east coast of Kamchatka6.515.0
25[31] Iran, Razavi Khorasan Province5.70.0X 2,200 deaths were reported. The depth was unknown.2,200

June

June
Strongest magnitude7.2 Mw British Burma
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

1[32] Japan, off the east coast of Honshu6.915.0 rowspan="2"|This pair of events struck three hours apart and is an example of a doublet earthquake.
1[33] Japan, off the east coast of Honshu7.135.0
Jun 18 [34] Tonga6.815.0
22 [35] British Burma, Shan State7.225.0

July

July
Strongest magnitude7.0 Mw  Japan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[36] Taiwan, north of6.225.0
12[37] Fiji, north of Vanua Levu6.415.0
13[38] Japan, off the south coast of Kyushu7.035.0
13[39] Japan, east of Tanegashima6.635.0 Aftershock.
23[40][41] United States, south of Loma Linda, California6.235.0 Two people were injured and minor damage was caused.

August

August
Strongest magnitude6.6 Mw  Japan
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[42] Greece, south of Crete6.535.0
8[43] Venezuela, Sucre, Venezuela6.3110.0
11[44] Malaya, Sabah6.335.0
12[45] Japan, Ryukyu Islands6.635.0
28[46] Mexico, Gulf of California6.510.0

September

September
Strongest magnitude8.1 Mw  Japan
Deadliest8.1 Mw  Japan
186,283 deaths
Total fatalities186,730
Number by magnitude
8.0–8.91
7.0–7.94
6.0–6.913
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1 [47][48] Japan, Kanagawa Prefecture, Honshu8.115.0XI The 1923 Great Kantō earthquake was one of the most destructive of the 20th Century. Tokyo and surrounding areas suffered heavily both in human and material terms. The death toll was 142,807 with another 43,476 missing. Another 47,000 were injured. Strong aftershocks rattled the region and the fires associated with the earthquakes caused further disruption. Property damage was $600 million (1923 rate). 695,000 homes were destroyed.186,28347,000
1 [49] Japan, off the south coast of Honshu6.560.0 Aftershock.
1 [50] Japan, off the south coast of Honshu7.335.0 Aftershock.
1 [51] Japan, Kanagawa Prefecture, Honshu6.635.0 Aftershock.
1 [52] Japan, off the south coast of Honshu7.035.0 Aftershock.
1 [53] Japan, Shizuoka Prefecture, Honshu6.735.0 Aftershock.
1 [54] Japan, off the east coast of Honshu6.535.0 Aftershock.
1 [55] Japan, off the south coast of Honshu6.415.0 Aftershock.
2 [56] Japan, off the south coast of Honshu7.815.0 Aftershock.
2 [57] Japan, off the south coast of Honshu7.135.0 Aftershock.
2 [58] Japan, Kanagawa Prefecture, Honshu6.55.0 Aftershock.
2 [59] Bolivia, Beni Department6.835.0
9 [60] Bangladesh, Netrokona District6.815.0
14 [61] Mongolia, Zavkhan Province6.235.0
16 [62] Dutch East Indies, Papua (province)6.535.0
17 [63][64] Iran, Razavi Khorasan Province6.415.0IX 157 people were killed and major damage was caused.157
22 [65][66] Iran, Kerman Province6.815.0 290 people were killed.290
26 [67] Japan, off the south coast of Honshu6.510.0 Aftershock.

October

October
Strongest magnitude7.4 Mw  Dutch East Indies
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[68] Bangladesh, Punjab, Pakistan6.315.0
7[69] Dutch East Indies, Raja Ampat Islands7.415.0
10[70] Norway, north of Jan Mayen6.515.0
15[71] Dutch East Indies, southern Sumba6.335.0

November

November
Strongest magnitude7.2 Mw  New Guinea
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.96
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

2[72] New Guinea, northwest of Bougainville Island7.2145.1
3[73] Haiti, Gulf of Gonâve6.035.0
3[74] Japan, Ryukyu Islands6.835.0
4[75] New Guinea, southeast New Ireland7.035.0
5[76] Japan, Ryukyu Islands6.935.0
6[77] Chile, Araucanía Region6.235.0
6[78] Japan, Ryukyu Islands6.535.0
18[79] Taiwan, east of6.625.0

December

December
Strongest magnitude6.5 Mw 2 events
Deadliest5.3 Mw  Colombia
300 deaths
Total fatalities300
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

4[80] Japan, south of Shikoku6.55.0
5[81] Greece, Aegean Sea6.210.0
14[82] Colombia, Narino Department5.30.0IX 300 people were killed and major damage was caused.300
28[83] Turkestan ASSR, Sughd Region6.520.0

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 January 28, 2019.
  19. ↑ Bourgeois, Joanne & Pinegina, Tatiana K. (2018). "The 1997 Kronotsky earthquake and tsunami and their predecessors, Kamchatka, Russia" (PDF). Natural Hazards and Earth System Sciences. 18 (1): 335–350. Bibcode:2018NHESS..18..335B. doi:10.5194/nhess-18-335-2018. Retrieved June 5, 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  20. ↑ "M 6.8 – near the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. April 13, 1923. Retrieved December 25, 2015.
  21. ↑ "Significant Earthquake: RUSSIA: NEAR KAMCHATKA". National Geophysical Data Center. April 13, 1923. Retrieved December 25, 2015.
  22. ↑ "Tsunami Event: KAMCHATKA". National Geophysical Data Center. April 13, 1923. Retrieved December 25, 2015.
  23. ↑ "M 6.8 – Kalimantan, Indonesia". United States Geological Survey. April 19, 1923. Retrieved December 26, 2015.
  24. ↑ "M 6.6 – Ryukyu Islands, Japan". United States Geological Survey. April 23, 1923. Retrieved December 26, 2015.
  25. ↑ "M 7.0 – south of Alaska". United States Geological Survey. May 4, 1923. Retrieved December 26, 2015.
  26. ↑ "M 6.5 – Atacama, Chile". United States Geological Survey. May 4, 1923. Retrieved December 26, 2015.
  27. ↑ "Significant Earthquake: CHILE: VALLENAR". National Geophysical Data Center. May 4, 1923. Retrieved December 26, 2015.
  28. ↑ "M 6.4 – Sunda Strait, Indonesia". United States Geological Survey. May 12, 1923. Retrieved December 26, 2015.
  29. ↑ "Significant Earthquake: INDONESIA: JAVA: MAOS". National Geophysical Data Center. May 15, 1923. Retrieved December 26, 2015.
  30. ↑ "M 6.5 – off the east coast of the Kamchatka Peninsula, Russia". United States Geological Survey. May 23, 1923. Retrieved December 26, 2015.
  31. ↑ "Significant Earthquake: IRAN: TURBAT-HAKLARI". National Geophysical Data Center. May 25, 1923. Retrieved December 26, 2015.
  32. ↑ "M 6.9 – near the east coast of Honshu, Japan". United States Geological Survey. June 1, 1923. Retrieved December 27, 2015.
  33. ↑ "Centennial Earthquake Catalog". United States Geological Survey. June 1, 1923. Retrieved December 27, 2015.
  34. ↑ "M 6.8 – Tonga". United States Geological Survey. June 18, 1923. Retrieved December 27, 2015.
  35. ↑ "M 7.2 – Myanmar". United States Geological Survey. June 22, 1923. Retrieved December 27, 2015.
  36. ↑ "M 6.2 – Taiwan region". United States Geological Survey. July 2, 1923. Retrieved December 27, 2015.
  37. ↑ "M 6.4 – Fiji". United States Geological Survey. July 12, 1923. Retrieved December 27, 2015.
  38. ↑ "M 7.0 – Kyushu, Japan". United States Geological Survey. July 13, 1923. Retrieved December 27, 2015.
  39. ↑ "Centennial Earthquake Catalog". United States Geological Survey. July 13, 1923. Retrieved December 27, 2015.
  40. ↑ "On-Line Bulletin". International Seismological Centre. July 23, 1923. Retrieved December 27, 2015.
  41. ↑ "North San Jacinto Fault Earthquake". Southern California Earthquake Data Center. July 23, 1923. Retrieved December 27, 2015.
  42. ↑ "Centennial Earthquake Catalog". United States Geological Survey. August 1, 1923. Retrieved December 27, 2015.
  43. ↑ "M 6.3 – Sucre, Venezuela". United States Geological Survey. August 8, 1923. Retrieved December 27, 2015.
  44. ↑ "M 6.3 – Sabah, Malaysia". United States Geological Survey. August 11, 1923. Retrieved December 27, 2015.
  45. ↑ "Centennial Earthquake Catalog". United States Geological Survey. August 12, 1923. Retrieved December 27, 2015.
  46. ↑ "M 6.5 – Gulf of California". United States Geological Survey. August 28, 1923. Retrieved December 27, 2015.
  47. ↑ "M 8.1 – near the south coast of Honshu, Japan". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  48. ↑ "Significant Earthquake: JAPAN: TOKYO, YOKOHAMA". National Geophysical Data Center. 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. ↑ "M 6.4 – near the south coast of Honshu, Japan". United States Geological Survey. September 1, 1923. Retrieved December 27, 2015.
  56. ↑ "M 7.8 – 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. ↑ "Centennial Earthquake Catalog". United States Geological Survey. September 2, 1923. Retrieved December 27, 2015.
  60. ↑ "M 6.8 – Bangladesh". United States Geological Survey. September 9, 1923. Retrieved December 27, 2015.
  61. ↑ "On-Line Bulletin". International Seismological Centre. September 14, 1923. Retrieved December 27, 2015.
  62. ↑ "M 6.5 – near the north coast of Papua, Indonesia". United States Geological Survey. September 16, 1923. Retrieved December 27, 2015.
  63. ↑ "M 6.4 – northeastern Iran". United States Geological Survey. September 17, 1923. Retrieved December 27, 2015.
  64. ↑ "Significant Earthquake: IRAN: QALEH JAQ KMEN: BODZHNURD". National Geophysical Data Center. September 17, 1923. Retrieved December 27, 2015.
  65. ↑ "M 6.8 – southern Iran". United States Geological Survey. September 22, 1923. Retrieved December 27, 2015.
  66. ↑ "Significant Earthquake: IRAN: SIRJAN". National Geophysical Data Center. September 22, 1923. Retrieved December 27, 2015.
  67. ↑ "M 6.5 – near the south coast of Honshu, Japan". United States Geological Survey. September 26, 1923. Retrieved December 27, 2015.
  68. ↑ "M 6.3 – Pakistan". United States Geological Survey. October 1, 1923. Retrieved December 27, 2015.
  69. ↑ "M 7.4 – Papua region, Indonesia". United States Geological Survey. October 7, 1923. Retrieved December 27, 2015.
  70. ↑ "M 6.5 – Jan Mayen Island region". United States Geological Survey. October 10, 1923. Retrieved December 27, 2015.
  71. ↑ "M 6.3 – 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. ↑ "M 6.8 – Ryukyu Islands, Japan". United States Geological Survey. November 3, 1923. Retrieved December 28, 2015.
  75. ↑ "M 7.0 – New Ireland region, Papua New Guinea". United States Geological Survey. November 4, 1923. Retrieved December 28, 2015.
  76. ↑ "M 6.9 – Ryukyu Islands, Japan". United States Geological Survey. November 5, 1923. Retrieved December 28, 2015.
  77. ↑ "M 6.2 – Araucanía, 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. ↑ "M 6.6 – Taiwan region". United States Geological Survey. November 18, 1923. Retrieved December 28, 2015.
  80. ↑ "Centennial Earthquake Catalog". United States Geological Survey. December 4, 1923. Retrieved December 28, 2015.
  81. ↑ "M 6.2 – 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. ↑ "M 6.5 – Tajikistan". United States Geological Survey. December 28, 1923. Retrieved December 28, 2015.
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