List of earthquakes in 1973

Earthquakes in 1973
List of earthquakes in 1973 is located in Earth
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
List of earthquakes in 1973
Approximate epicenters of notable earthquakes in 1973
Strongest Japan off the east coast of Hokkaido (Magnitude 7.7) June 17
Deadliest China, Sichuan Province (Magnitude 7.4) February 6, 2,199 deaths
Total fatalities2,899
Number by magnitude
9.0+0
8.0–8.90
7.0–7.99
6.0–6.957
5.0–5.91333
4.0–4.92557
← 1972
1974 →

This is a list of earthquakes in 1973. 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. Maximum intensities are indicated on the Mercalli intensity scale and are sourced from United States Geological Survey (USGS) ShakeMap data. Both the number of large events and the death toll were substantially lower in 1973. There were 9 magnitude 7.0+ events. The largest of these was in Japan measuring 7.7. Russia and New Hebrides were active during the year with each country having 2 magnitude 7.0+ events. Nearly 3,000 deaths were reported with China being worst affected. Mexico also had a significant death toll.

Overall

By death toll

Rank Death toll Magnitude Location MMI Depth (km) Date
1 2,199 7.4 China, Sichuan Province X (Extreme) 33.0 February 6
2 600 7.1 Mexico, Oaxaca VIII (Severe) 84.0 August 28
3 56 7.5 Mexico, Michoacan X (Extreme) 43.0 January 30
4 26 6.5 Costa Rica, Alajuela Province VI (Strong) 33.0 April 14
5 15 7.0 Philippines, Luzon IX (Violent) 33.0 March 17
  • Note: At least 10 casualties

By magnitude

Rank Magnitude Death toll Location MMI Depth (km) Date
1 7.8 0 Japan, off the east coast of Hokkaido VIII (Severe) 48.0 June 17
2 7.7 0 North Korea, offshore V (Moderate) 575.0 September 29
3 7.6 56 Mexico, Michoacán X (Extreme) 43.0 January 30
4 7.5 0 New Hebrides, Vanuatu VIII (Severe) 26.0 December 28
5 7.4 2,199 China, Sichuan Province X (Extreme) 33.0 February 6
6 7.2 0 Soviet Union, Kuril Islands, Russia VIII (Severe) 27.0 February 28
6 7.2 0 New Hebrides, Vanuatu VIII (Severe) 47.0 December 29
7 7.1 0 Soviet Union, Kuril Islands, Russia VIII (Severe) 50.0 June 24
8 7.0 15 Philippines, Luzon IX (Violent) 33.0 March 17
8 7.0 0 United Kingdom, east of the South Sandwich Islands ( ) 33.0 October 6
  • Note: At least 7.0 magnitude

Notable events

January

January
Strongest7.5 Mw Mexico
Deadliest7.5 Mw Mexico
56 deaths
Total fatalities56
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
5.0–5.9101
4.0–4.9193
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
5[1] New Zealand, Manawatū-Whanganui, North Island6.6150.0IV
6[2] New Hebrides, Vanuatu6.136.0VI
18[3] Australia, south of New Britain, Papua New Guinea6.743.0VI
22[4] Mexico, off the coast of Jalisco6.133.0
30[5][6] Mexico, Michoacán7.643.0X 56390

February

February
Strongest7.5 Mw  Soviet Union
Deadliest7.4 Mw China
2,199 deaths
Total fatalities2,199
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.91
5.0–5.996
4.0–4.9204
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[7] Argentina, Jujuy Province6.3229.0
6[8][9][10] China, Sichuan Province7.433.0X 2,1992,743
21[11][12] New Zealand, Hawke's Bay Region, North Island5.138.0VI Moderate damage
21[13][14] United States, southern California5.810.0VII
24[15][16] Iran, Fars province5.227.0 Severe damage
28[17][18] Soviet Union, Kuril Islands, Russia7.527.0VIII Minor damage in Severo-Kurilsk.

March

March
Strongest7.0 Mw Philippines
Deadliest7.0 Mw Philippines
15 deaths
Total fatalities15
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
5.0–5.9105
4.0–4.9208
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[19] Soviet Union, eastern Kamchatka, Russia6.332.0
9[20][21] Australia, New South Wales5.120.0VII Property damage estimated $500,000 (1973 rate).
12[22] Soviet Union, Kuril Islands, Russia6.354.0V Aftershock of February 28 event.
17[23] New Hebrides, Vanuatu6.1194.0
17[24][25] Philippines, Luzon7.433.0VII 1564
18[26] Indonesia, Molucca Sea6.633.0

April

April
Strongest6.6 Mw India
Deadliest6.5 Mw Costa Rica
26 deaths
Total fatalities27
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.99
5.0–5.987
4.0–4.9287
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[27][28] France, Gulf of Tadjoura, Djibouti6.231.0VII Some damage in Djibouti and 10 people injured.10
3[29] Colombia, Quindío Department6.3158.0III Damage in Pereira, Armenia and Ibagué.[30]
7[31] India, Nicobar Islands6.633.0
8[32] New Hebrides, Vanuatu6.435.0VI
12[33] Soviet Union, Kuril Islands, Russia6.252.0 Aftershock of February 28 event.
14[34][35] Costa Rica, Alajuela Province6.533.0VI 26 people were killed and 100 were injured. Damage costs were $200,000 (1973 rate).26100
17[36] Indonesia, Papua (province)6.333.0VI
24[37][38] Colombia, off the west coast of6.550.0IV 1 person died and some damage was reported.1
26[39][40] United States, Hawaii (island)6.436.9VIII 11 people were injured and some property damage was reported. Costs were $5.75 million (1973 rate).11

May

May
Strongest6.2 Mw Indian Ocean
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.95
5.0–5.979
4.0–4.9190
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
12[41] Papua New Guinea, offshore, 52 km north of Rabaul6.120.0VI
26[42] Alaska, offshore, 222 km west–southest of Adak6.031.3V
28[43]Indian Ocean, 262 km northeast of Port Mathurin6.224.1
28[44] Alaska, offshore, 245 km east–southeast of Attu Station6.025.0I
28[45] India, offshore, 13 km west–southwest of Churāchāndpur6.155.0VI

June

June
Strongest7.8 Mw Japan
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.94
5.0–5.9155
4.0–4.9269
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
5[46] New Hebrides, Vanuatu6.224.0IV
9[47] United Kingdom, Makira, Solomon Islands6.570.0V
17[48][49] Japan, off the east coast of Hokkaido7.848.0VIII 27
17[50] Japan, off the east coast of Hokkaido6.250.0 Aftershock.
24[51][52] Soviet Union, Kuril Islands, Russia7.350.0VIII One person was injured and some damage was reported. Aftershock of June 17 event.1
26[53][54] Soviet Union, Kuril Islands, Russia6.950.0IV Aftershock.

July

July
Strongest6.9 Mw China
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.97
5.0–5.9153
4.0–4.9234
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[55] United States, off the southeast coast of Alaska6.733.0V
3[56] Philippines, Samar6.144.0V Foreshock.
3[57] Philippines, Samar6.533.0VI
5[58] Philippines, north of Samar6.338.0IV Aftershock.
14[59] China, Xizang Province6.633.0VII
31[60] Chile, off the coast of Atacama Region6.533.0V
31[61] United Kingdom, Solomon Islands6.230.0VII

August

August
Strongest7.1 Mw Mexico
Deadliest7.1 Mw Mexico
600 deaths
Total fatalities600
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.910
5.0–5.9104
4.0–4.9189
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[62] New Hebrides, Vanuatu7.0200.0IV
5[63] Tonga6.033.0
7[64] Chile, off the coast of Atacama Region6.225.0VI Foreshock.
7[65] Chile, off the coast of Atacama Region6.414.0VII
13[66] Australia, East Sepik Province, Papua New Guinea6.0112.0IV
16[67] China, Yunnan Province6.033.0VI
18[68] Philippines, west of Panay6.314.0VI
28[69][70] Mexico, Oaxaca7.184.0VIII 600

September

September
Strongest7.7 Mw North Korea
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.92
5.0–5.996
4.0–4.9173
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
10[71] Soviet Union, off the coast of Primorsky Krai, Russia6.7532.0II
20[72] Philippines, Bohol Sea6.5560.0I
29[73][74] North Korea, off the east coast of7.7575.0V

October

October
Strongest7.0 Mw United Kingdom
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.95
5.0–5.999
4.0–4.9232
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
5[75] Chile, off the coast of Valparaíso Region6.714.0V Damage in Valparaíso.[76]
5[77][78] Chile, off the coast of Valparaíso Region6.133.0VII
6[79]Atlantic Ocean, east of the South Sandwich Islands6.933.0
9[80] New Hebrides, Vanuatu6.333.0VI
25[81] Bolivia, Tarija Department6.6529.0

November

November
Strongest6.4 Mw United States
Deadliest2 events caused 1 death each in Iran and Portugal
Total fatalities2
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.96
5.0–5.9128
4.0–4.9188
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[82][83] Greece, off the west coast5.88.0VIII More than 1,400 homes damaged on Lefkada.[84]
6[85] United States, Andreanof Islands, Alaska6.434.0rowspan="2"| Doublet earthquake
6[86] United States, Andreanof Islands, Alaska6.341.0IV
8[87] Soviet Union, Kuril Islands, Russia6.333.0rowspan="2"| Doublet earthquake
11[88] Soviet Union, Kuril Islands, Russia6.051.0
11[89][90] Iran, Fars province5.811.0VII One person was killed and major damage was reported.1
19[91] Japan, off the east coast of Honshu6.456.0VI
23[92][93] Portugal, Azores Islands5.15.0VIII One person died and moderate damage.1
29[94][95] Greece, south of Crete5.726.0VIII Some damage was reported.
30[96] New Hebrides, Vanuatu6.3124.0IV

December

December
Strongest7.5 Mw New Hebrides, Vanuatu
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
5.0–5.9125
4.0–4.9190
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
9[97] New Hebrides, Vanuatu6.839.0VII
19[98] Indonesia, Sumba6.258.0V
28[99][100] New Hebrides, Vanuatu7.526.0VIII Some damage was caused.
29[101][102] New Hebrides, Vanuatu6.947.0VIII Aftershock. Some damage was caused.
30[103] New Hebrides, Vanuatu6.610.0VIII Aftershock.

References

  1. ↑ ANSS. "M 6.2 – North Island of New Zealand 1973". Comprehensive Catalog. U.S. Geological Survey.
  2. ↑ ANSS. "M 6.1 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  3. ↑ ANSS. "M 6.8 – New Britain region, Papua New Guinea 1973". Comprehensive Catalog. U.S. Geological Survey.
  4. ↑ ANSS. "M 6.1 – offshore Jalisco, Mexico 1973". Comprehensive Catalog. U.S. Geological Survey.
  5. ↑ ANSS. "M 7.5 – Michoacan, Mexico 1973". Comprehensive Catalog. U.S. Geological Survey.
  6. ↑ "Significant Earthquake: MEXICO: S, FARIAS, TECOMAN". National Geophysical Data Center. January 30, 1973. Retrieved April 19, 2021.
  7. ↑ ANSS. "M 6.1 – Jujuy, Argentina 1973". Comprehensive Catalog. U.S. Geological Survey.
  8. ↑ ANSS. "M 7.4 – western Sichuan, China 1973". Comprehensive Catalog. U.S. Geological Survey.
  9. ↑ "Significant Earthquake: CHINA: SICHUAN PROVINCE". National Geophysical Data Center. February 6, 1973. Retrieved April 20, 2021.
  10. ↑ Utsu, T. "Search Page". Catalog of Damaging Earthquakes in the World (Through 2008). Retrieved April 20, 2021.
  11. ↑ ANSS. "M 5.1 – North Island of New Zealand 1973". Comprehensive Catalog. U.S. Geological Survey.
  12. ↑ "Significant Earthquake: NEW ZEALAND: HAWKES BAY". National Geophysical Data Center. February 21, 1973. Retrieved April 20, 2021.
  13. ↑ ANSS. "M 5.3 – 22 km W of Malibu, CA 1973". Comprehensive Catalog. U.S. Geological Survey.
  14. ↑ "Significant Earthquake: CALIFORNIA: OXNARD". National Geophysical Data Center. February 21, 1973. Retrieved April 20, 2021.
  15. ↑ ANSS. "M 5.2 – southern Iran 1973". Comprehensive Catalog. U.S. Geological Survey.
  16. ↑ "Significant Earthquake: IRAN: KHABIS, HENGAM ISLAND". National Geophysical Data Center. February 24, 1973. Retrieved April 20, 2021.
  17. ↑ ANSS. "M 7.2 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  18. ↑ "Significant Earthquake: RUSSIA: KURIL ISLANDS, HIROO, URAKAWA". National Geophysical Data Center. February 28, 1973. Retrieved April 20, 2021.
  19. ↑ ANSS. "M 6.1 – near the east coast of the Kamchatka Peninsula, Russia 1973". Comprehensive Catalog. U.S. Geological Survey.
  20. ↑ ANSS. "M 5.5 – near the southeast coast of Australia 1973". Comprehensive Catalog. U.S. Geological Survey.
  21. ↑ "Significant Earthquake: AUSTRALIA: WOLLONGONG, SYDNEY". National Geophysical Data Center. March 9, 1973. Retrieved May 4, 2021.
  22. ↑ ANSS. "M 6.1 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  23. ↑ ANSS. "M 6.0 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  24. ↑ ANSS. "M 7.0 – Luzon, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  25. ↑ "Significant Earthquake: PHILIPPINES: QUEZON CITY: CALAUG, LOPEZ, GUIAYANGAN". National Geophysical Data Center. March 17, 1973. Retrieved May 4, 2021.
  26. ↑ ANSS. "M 6.5 – Molucca Sea 1973". Comprehensive Catalog. U.S. Geological Survey.
  27. ↑ ANSS. "M 5.9 – Golfe de Tadjoura, Djibouti 1973". Comprehensive Catalog. U.S. Geological Survey.
  28. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 761026].
  29. ↑ ANSS. "M 6.2 – Colombia 1973". Comprehensive Catalog. U.S. Geological Survey.
  30. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 761106].
  31. ↑ ANSS. "M 6.6 – Nicobar Islands, India region 1973". Comprehensive Catalog. U.S. Geological Survey.
  32. ↑ ANSS. "M 6.4 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  33. ↑ ANSS. "M 6.1 – Kuril Islands1973 usp00001ch". Comprehensive Catalog. U.S. Geological Survey.
  34. ↑ ANSS. "M 6.5 – Costa Rica 1973". Comprehensive Catalog. U.S. Geological Survey.
  35. ↑ "Significant Earthquake: COSTA RICA: TILARAN, ARENAL, RIO CHIQUITO". National Geophysical Data Center. April 14, 1973. Retrieved May 8, 2021.
  36. ↑ ANSS. "M 6.4 – near the south coast of Papua, Indonesia 1973". Comprehensive Catalog. U.S. Geological Survey.
  37. ↑ ANSS. "M 6.5 – south of Panama 1973". Comprehensive Catalog. U.S. Geological Survey.
  38. ↑ "Significant Earthquake: COLOMBIA; SAN CRISTOBAL, VENEZUELA". National Geophysical Data Center. April 24, 1973. Retrieved May 8, 2021.
  39. ↑ ANSS. "M 6.2 – Hawaii region, Hawaii 1973". Comprehensive Catalog. U.S. Geological Survey.
  40. ↑ "Significant Earthquake: HAWAII: HILO". National Geophysical Data Center. April 26, 1973. Retrieved May 8, 2021.
  41. ↑ ANSS. "M 5.9 – 52 km N of Rabaul, Papua New Guinea 1973". Comprehensive Catalog. U.S. Geological Survey.
  42. ↑ ANSS. "M 5.8 – 222 km WSW of Adak, Alaska 1973". Comprehensive Catalog. U.S. Geological Survey.
  43. ↑ ANSS. "M 5.9 – 262 km NE of Port Mathurin, Mauritius 1973". Comprehensive Catalog. U.S. Geological Survey.
  44. ↑ ANSS. "M 5.7 – 245 km ESE of Attu Station, Alaska 1973". Comprehensive Catalog. U.S. Geological Survey.
  45. ↑ ANSS. "M 5.9 – 13 km WSW of Chur?ch?ndpur, India 1973". Comprehensive Catalog. U.S. Geological Survey.
  46. ↑ ANSS. "M 6.1 – Vanuatu usp0000215". Comprehensive Catalog. U.S. Geological Survey.
  47. ↑ ANSS. "M 6.3 – Solomon Islands usp000023t". Comprehensive Catalog. U.S. Geological Survey.
  48. ↑ ANSS. "M 7.7 – Hokkaido, Japan region 1973". Comprehensive Catalog. U.S. Geological Survey.
  49. ↑ "Significant Earthquake: JAPAN: HOKKAIDO ISLAND". National Geophysical Data Center. June 17, 1973. Retrieved May 9, 2021.
  50. ↑ ANSS. "M 6.0 – off the coast of Hokkaido, Japan 1973". Comprehensive Catalog. U.S. Geological Survey.
  51. ↑ ANSS. "M 7.1 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  52. ↑ "Significant Earthquake: RUSSIA: KURIL ISLANDS". National Geophysical Data Center. June 24, 1973. Retrieved May 9, 2021.
  53. ↑ ANSS. "M 6.6 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  54. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 759922].
  55. ↑ ANSS. "M 6.7 – off the coast of Southeastern Alaska 1973". Comprehensive Catalog. U.S. Geological Survey.
  56. ↑ ANSS. "M 6.0 – Samar, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  57. ↑ ANSS. "M 6.5 – Samar, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  58. ↑ ANSS. "M 6.0 – Catanduanes, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  59. ↑ ANSS. "M 6.9 – western Xizang 1973". Comprehensive Catalog. U.S. Geological Survey.
  60. ↑ ANSS. "M 6.3 – offshore Atacama, Chile 1973". Comprehensive Catalog. U.S. Geological Survey.
  61. ↑ ANSS. "6.0 – Solomon Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  62. ↑ ANSS. "M 6.1 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  63. ↑ ANSS. "M 6.1 – Tonga 1973". Comprehensive Catalog. U.S. Geological Survey.
  64. ↑ ANSS. "M 6.1 – offshore Atacama, Chile 1973". Comprehensive Catalog. U.S. Geological Survey.
  65. ↑ ANSS. "M 6.3 – offshore Atacama, Chile 1973". Comprehensive Catalog. U.S. Geological Survey.
  66. ↑ ANSS. "M 6.0 – near the north coast of New Guinea, Papua New Guinea 1973". Comprehensive Catalog. U.S. Geological Survey.
  67. ↑ ANSS. "M 6.4 – Yunnan, China 1973". Comprehensive Catalog. U.S. Geological Survey.
  68. ↑ ANSS. "M 6.1 – Panay, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  69. ↑ ANSS. "M 6.8 – Oaxaca, Mexico 1973". Comprehensive Catalog. U.S. Geological Survey.
  70. ↑ "Significant Earthquake: MEXICO: VERACRUZ, MEXICO CITY". National Geophysical Data Center. August 28, 1973. Retrieved May 12, 2021.
  71. ↑ ANSS. "M 6.0 – China-Russia-North Korea border region 1973". Comprehensive Catalog. U.S. Geological Survey.
  72. ↑ ANSS. "M 6.0 – Negros – Cebu region, Philippines 1973". Comprehensive Catalog. U.S. Geological Survey.
  73. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 756792].
  74. ↑ ANSS. "M 6.5 – North Korea 1973". Comprehensive Catalog. U.S. Geological Survey.
  75. ↑ ANSS. "M 6.5 – offshore Valparaíso, Chile 1973". Comprehensive Catalog. U.S. Geological Survey.
  76. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 755128].
  77. ↑ ANSS. "M 6.7 – offshore Valparaíso, Chile 1973". Comprehensive Catalog. U.S. Geological Survey.
  78. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 755129].
  79. ↑ ANSS. "M 7.0 – east of the South Sandwich Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  80. ↑ ANSS. "M 6.4 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  81. ↑ ANSS. "M 6.1 – Tarija, Bolivia 1973". Comprehensive Catalog. U.S. Geological Survey.
  82. ↑ ANSS. "M 5.8 – Greece 1973". Comprehensive Catalog. U.S. Geological Survey.
  83. ↑ "Significant Earthquake: GREECE: LEUKAS ISLAND, PREVEZA, VONITSA". National Geophysical Data Center. November 4, 1973. Retrieved May 15, 2021.
  84. ↑ International Seismological Centre. Bulletin of the ISC. Thatcham, United Kingdom. [Event 754132].
  85. ↑ ANSS. "M 6.4 – Andreanof Islands, Aleutian Islands, Alaska 1973". Comprehensive Catalog. U.S. Geological Survey.
  86. ↑ ANSS. "M 6.3 – Andreanof Islands, Aleutian Islands, Alaska 1973". Comprehensive Catalog. U.S. Geological Survey.
  87. ↑ ANSS. "M 6.1 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  88. ↑ ANSS. "M 6.0 – Kuril Islands 1973". Comprehensive Catalog. U.S. Geological Survey.
  89. ↑ ANSS. "M 5.5 – central Iran 1973". Comprehensive Catalog. U.S. Geological Survey.
  90. ↑ "Significant Earthquake: IRAN: QESHLAGH, DEH BID". National Geophysical Data Center. November 11, 1973. Retrieved May 15, 2021.
  91. ↑ ANSS. "M 6.1 – near the east coast of Honshu, Japan 1973". Comprehensive Catalog. U.S. Geological Survey.
  92. ↑ ANSS. "M 5.1 – Azores Islands, Portugal 1973". Comprehensive Catalog. U.S. Geological Survey.
  93. ↑ "Significant Earthquake: AZORES: PICO, FAIAL, TERCEIRA". National Geophysical Data Center. November 23, 1973. Retrieved May 15, 2021.
  94. ↑ ANSS. "M 5.7 – Crete, Greece 1973". Comprehensive Catalog. U.S. Geological Survey.
  95. ↑ "Significant Earthquake: GREECE: CRETE, PALAEOCHORA, CHANIA". National Geophysical Data Center. November 29, 1973. Retrieved May 15, 2021.
  96. ↑ ANSS. "M 6.0 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  97. ↑ ANSS. "M 6.8 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  98. ↑ ANSS. "M 6.0 – Sumba region, Indonesia 1973". Comprehensive Catalog. U.S. Geological Survey.
  99. ↑ ANSS. "M 7.5 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  100. ↑ "Significant Earthquake: VANUATU ISLANDS: ESPIRITU SANTO, LUGANILLE". National Geophysical Data Center. December 28, 1973. Retrieved May 16, 2021.
  101. ↑ ANSS. "M 7.2 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
  102. ↑ "Significant Earthquake: VANUATU ISLANDS: LUGANVILLE, LAMAP". National Geophysical Data Center. December 29, 1973. Retrieved May 16, 2021.
  103. ↑ ANSS. "M 6.6 – Vanuatu 1973". Comprehensive Catalog. U.S. Geological Survey.
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