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List of earthquakes in 1983

This is a list of earthquakes in 1983. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. Events in remote areas will not be listed but included in statistics and maps. Countries are entered on the lists in order of their status in this particular year. 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.

Earthquakes in 1983
List of earthquakes in 1983 is located in Earth
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
List of earthquakes in 1983
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Approximate epicenters of the earthquakes in 1983
Strongest magnitude Papua New Guinea, southeast of New Ireland (island), (Magnitude 7.6) March 18
Deadliest Turkey, Erzurum Province, (Magnitude 6.8) October 30
Total fatalities2,608
Number by magnitude
9.0+0
8.0–8.90
7.0–7.914
6.0–6.9125
5.0–5.91,664
4.0–4.93,517
← 1982
1984 →

By death toll

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Rank Death toll Magnitude Location MMI Depth (km) Date
1 1,342 6.8   Turkey, Erzurum Province IX (Violent) 11.6 October 30
2 663 6.3   Guinea, Boke Region IX (Violent) 11.3 December 22
3 350 5.5   Colombia, Cauca Department VIII (Severe) 22.2 March 31
4 104 7.4   Japan, eastern Sea of Japan VIII (Severe) 23.7 May 26
5 34 5.7   China, Shandong Province VII (Very strong) 19.0 November 6
6 30 5.2   Iran, Mazandaran Province IV (Light) 33.0 March 25
7 26 7.4   Afghanistan, Badakhshan Province VII (Very strong) 214.5 December 30
8 16 6.5   Philippines, Luzon VIII (Severe) 28.8 August 17
9 12 4.7   Yugoslavia, Skopje Statistical Region, North Macedonia VII (Very strong) 24.4 February 25
10 10 7.0   Peru, Department of Amazonas, Peru VII (Very strong) 104.2 April 12
10 10 6.4   Papua New Guinea, East New Britain Province VI (Strong) 26.0 December 22

Listed are earthquakes with at least 10 dead.

By magnitude

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Rank Magnitude Death toll Location MMI Depth (km) Date
1 7.6 0   Papua New Guinea, southeast of New Ireland VII (Very strong) 88.8 March 18
2 7.4 104   Japan, eastern Sea of Japan VIII (Severe) 23.7 May 26
2 7.4 5   Chile, Atacama Region VIII (Severe) 14.8 October 4
2 7.4 26   Afghanistan, Badakhshan Province VII (Very strong) 214.5 December 30
5 7.3 0   Indonesia, Banda Sea VI (Strong) 178.5 November 24
5 7.3 0   United Kingdom, Chagos Archipelago VI (Strong) 10.0 November 30
7 7.2 0   United Kingdom, South Sandwich Islands ( ) 24.0 October 22
8 7.1 6   Costa Rica, Puntarenas Province VIII (Severe) 37.0 April 3
8 7.1 0   Soviet Union, Kamchatka Peninsula, Russia VII (Very strong) 62.6 August 17
10 7.0 0   Greece, Ionian Islands VIII (Severe) 14.3 January 17
10 7.0 0   New Zealand, Kermadec Islands ( ) 238.0 January 26
10 7.0 10   Peru, Department of Amazonas, Peru VII (Very strong) 104.2 April 12
10 7.0 0   Iran, Sistan and Baluchistan Province VII (Very strong) 64.0 April 18
10 7.0 0   Guatemala, off the west coast VII (Very strong) 67.1 December 2

Listed are earthquakes with at least 7.0 magnitude.

By month

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January

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January
Strongest magnitude7.0 Mw 2 events reached this magnitude
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.911
5.0–5.9155
4.0–4.9382
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[1]   Bolivia, La Paz Department (Bolivia) 6.3 172.0
8[2]   Tonga 6.4 33.0
16[3][4]   Papua New Guinea, off the east coast 6.7 234.9 IV Some damage was caused to communications systems.
17[5][6]   Greece, Ionian Islands 7.0 14.3 VIII Some damage was caused.
24[7][8]   Mexico, off the coast of Oaxaca 6.3 56.8 VII Some damage was caused.
24[9][10]   India, Andaman Islands 6.8 78.0 VI
26[11]   New Zealand, Kermadec Islands 7.0 238.0

February

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February
Strongest magnitude6.9 Mw   Chile
Deadliest4.7 Mw   Yugoslavia, Macedonia SR
12 deaths
Total fatalities12
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.99
5.0–5.9115
4.0–4.9279
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
12[12][13]   Philippines, southeast of Mindanao 6.3 51.0 IV
13[14][15][16]   China, Xinjiang Province 6.2 16.1 VIII 2 injuries were reported as well as damage. 2
13[17][18]   United States, north of Guam 5.7 105.0 IV 1 person was injured and minor damage was reported. 1
14[19][20]   United States, southeast of Alaska Peninsula 6.5 47.0 V
20[21][22]   Philippines, southeast of Mindanao 6.4 60.5 IV
25[23][24][25]   Yugoslavia, Skopje Statistical Region, Macedonia SR 4.7 24.4 VII 12 people died after suffering heart attacks. Some damage was reported with costs reaching $500,000 (1983 rate). 12
25[26][27]   Chile, Arica y Parinacota Region 6.9 146.0 VI Minor damage was caused.
26[28][29]   Soviet Union, Districts under Central Government Jurisdiction, Tajikistan 5.3 49.2 VII Major damage was caused.
27[30][31]   Japan, Chiba Prefecture, Honshu 5.9 78.3 V 11 people were injured. 11

March

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March
Strongest magnitude7.6 Mw   Papua New Guinea
Deadliest5.5 Mw   Colombia
350 deaths
Total fatalities381
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.99
5.0–5.9119
4.0–4.9321
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
8[32][33]   Venezuela, off the coast of Sucre (state) 5.9 82.4 IV 10 people were injured whilst evacuating buildings. 10
10[34]   Soviet Union, Kuril Islands, Russia 6.2 33.0
12[35][36]   Indonesia, south of Ambon Island 6.0 33.0 V Foreshock to following event.
12[37][38][39]   Indonesia, south of Ambon Island 6.7 16.9 VI Some damage was reported. A tsunami was observed locally.
15[40][41]   Japan, Shizuoka Prefecture, Honshu 5.3 43.2 IV 1 person was killed and 2 were injured. Some damage was reported. 1 2
15[42][43]   Philippines, southeast of Mindanao 6.7 41.0 IV
18[44][45][46]   Papua New Guinea, southeast of New Ireland (island) 7.6 88.8 VII Property damage and landslides were caused by the shaking. A tsunami was observed in the area.
20[47][48]   Papua New Guinea, southeast of New Ireland (island) 6.4 80.1 VI Aftershock of March 18 event.
21[49][50]   Tonga, southwest of Tongatapu 6.7 68.0 VI
23[51][52][53]   Greece, Ionian Islands 6.4 19.1 VII 7 people were injured. 160 homes sustained damage. Aftershock of January 17 event. 7
25[54][55][56]   Iran, Mazandaran Province 5.2 33.0 IV 30 people were killed and 61 were hurt. Many homes were damaged with costs reaching $5 million (1983 rate). 30 61
31[57][58][59]   Colombia, Cauca Department 5.5 22.2 VIII Despite the moderate magnitude the 1983 Popayan earthquake caused major destruction in the area. Up to 350 people died and 1,200 were injured. $410.9 million (1983 rate) worth of damage was caused. 350 1,200

April

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April
Strongest magnitude7.1 Mw   Costa Rica
Deadliest7.1 Mw   Costa Rica
6 deaths
Total fatalities6
Number by magnitude
8.0–8.90
7.0–7.93
6.0–6.95
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
3[60]   Costa Rica, 12 North of Golfito 7.1 37.0 VII 5 people died from heart attacks, another was killed from a collapsed building and 4 people were injured. 6 4
4[61]   Indonesia, 68 Km Southwest of Sabang 6.9 78.5 VII Some damage in Banda Aceh - -
4[62]   Russian SFSR, Kuril Islands 6.5 51.0 V - - -
8[63]   Yemen, Owen Fracture Zone 6.7 10.0 I - - -
12[64]   Peru, 92 km northeast of La Peca 7.0 104.2 VII - - -
18[65]   Iran, Saravan 7.0 64.0 VII - - -
24[66]   Solomon Islands, 124 Km Southeast of Gizo 6.4 12.4 VII - - -
30[67]   Japan, Hokkaido 6.5 30.4 V - - -

May

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May
Strongest magnitude7.4 Mw   Japan
Deadliest7.4 Mw   Japan
104 deaths
Total fatalities104
Number by magnitude
8.0–8.90
7.0–7.93
6.0–6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
2[68]   United States, California 6.7 9.6 VIII The 1983 Coalinga earthquake destroyed an 8-story building in Coalinga, 94 people were injured. - 94
10[69]   Papua New Guinea, Kimbe 6.5 112.4 VI - - -
10[70]   Papua New Guinea, Kokopo 6.7 71.6 VI - - -
15[71]   Tonga, 168 Km Northwest of Pangai 6.5 33.0 I - - -
26[72]   Japan, Japanese Sea 7.4 23.7 VII The 1983 Sea of Japan earthquake was One of the largest earthquakes in 1983, 104 people were killed and 324 were injured. 104 324

June

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June
Strongest magnitude6.9 Mw   Vietnam
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.96
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[73]   Tonga, 147 Km Southwest of Hihifo 6.6 179.6 II - - -
9[74]   Japan, Southern Hokkaido 6.3 28.0 V This Was an Aftershock to the 7.8 earthquake on May 26. - -
21[75]   Japan, 122 Km Northwest of Hokkaido 6.7 9.9 V An aftershock to the 7.8 earthquake on May 26, some damage was caused and a 1.0 m (3 ft 3 in) high tsunami was observed. - -
21[76]   Taiwan, Chinese Sea 6.4 36.9 V - - -
24[77]   Vietnam, 45 Km Northeast of Dien Bien Phu 6.3 18.4 VII – - -

July

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July
Strongest magnitude6.9 Mw   United Kingdom
Deadliest6.1 Mw   Turkey
5 deaths
Total fatalities7
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.97
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
3[78]   Costa Rica, 17 Km South of Pejibaye 6.5 33.0 VII 2 people were killed and 60 were injured. 2 60
5[79]   France, Southeast of the Loyalty Islands, New Caledonia 6.5 33.0 III - - -
5[80]   Turkey, 10 Km North of Biga 6.1 10.0 IX The 1983 Biga earthquake Killed 5 People and Injured 26 More. 5 26
11[81]   United Kingdom, South Shetland Islands 6.9 10.0 IV - - -
12[82]   United States, 37 Km Northwest of Tatitlek, Alaska 6.6 37.0 VI Some Damage Occurred in Valdez - -
24[83]   Soviet Union, 82 Km North of Yelizovo, Russia 6.2 180.4 IV - - -
24[84]   Indonesia, 49 Km North of Komodo 6.4 48.1 VI - - -

August

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August
Strongest magnitude7.1 Mw   Russia
Deadliest6.5 Mw   Philippines
16 deaths
Total fatalities16
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
6[85]   Greece, Aegean Sea 6.8 2.4 VII Some Damage Occurred to Buildings - -
17[86]   Russia, Kamchatka 7.1 62.6 VII - - -
17[87]   Philippines, 16 km Northeast of Piddig 6.5 28.8 VIII 16 people were killed and 47 people were injured. 16 47
25[88]   Japan, Hiroshima 6.5 126.4 V One Person was Injured and Some Landslides Occurred. - 1
30[89]   Tonga, 201 Southeast of Hihifo 6.1 38.7 IV - - -

September

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September
Strongest magnitude6.7 Mw   Wallis and Futuna
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
7[90]   United States, 46 km Northwest of Tatitlek, Alaska 6.4 45.0 VI Some Damage Occurred in Anchorage. - -
12[91]   Afghanistan, Badakhshan 6.2 208.8 IV Some Damage Occurred in Kashmir, Pakistan. - -
15[92]   Mexico, Chiapas 6.3 115.2 V - - -
17[93]   Wallis and Futuna 6.7 33.0 IV - - -

October

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October
Strongest magnitude7.4 Mw   Chile
Deadliest6.8 Mw   Turkey
1,342 deaths
Total fatalities1,349
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.95
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[94]   Chile, Atacama Region 7.4 14.8 VIII At least 5 people were killed, and 24 people were injured. 5 24
6[95]   Kazakh Soviet Socialist Republic, 94 km southeast of Kurchatov 6.0 1.0 II This earthquake was caused by an Underground nuclear explosion - -
15[96]   Solomon Islands offshore, 58 km West of Gizo 6.5 7.4 VI - - -
16[97]   Indonesia, 231 Northwest of Gorontalo 6.5 40.1 VII At least 17 buildings had collapsed in the epicentral area. - -
22   United Kingdom, South Sandwich Islands 7.2 24.0 VI - - -
28[98]   United States, Idaho 6.9 10.0 IX The 1983 Borah Peak earthquake was the largest earthquake ever recorded in Idaho, 2 people were killed with an equal amount injured. 2 2
30[99]   Turkey, 27 km East of Narman 6.8 11.6 IX The 1983 Erzurum earthquake completely destroyed 50 villages in Erzurum and Kars, 1,342 people were Killed and 534 people were injured. 1,342 534

References

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  1. ^ "M 6.3 - 42 km S of Desaguadero, Peru". United States Geological Survey. January 1, 1983. Retrieved July 10, 2021.
  2. ^ "M 6.4 - Tonga". United States Geological Survey. January 8, 1983. Retrieved July 10, 2021.
  3. ^ "M 6.7 - 140 km N of Lae, Papua New Guinea". United States Geological Survey. January 16, 1983. Retrieved July 10, 2021.
  4. ^ "M 6.7 - 140 km N of Lae, Papua New Guinea". United States Geological Survey. January 16, 1983. Retrieved July 10, 2021.
  5. ^ "M 7.0 - 26 km SW of Lixoúri, Greece". United States Geological Survey. January 17, 1983. Retrieved July 10, 2021.
  6. ^ "M 7.0 - 26 km SW of Lixoúri, Greece". United States Geological Survey. January 17, 1983. Retrieved July 10, 2021.
  7. ^ "M 6.3 - 5 km SW of Salina Cruz, Mexico". United States Geological Survey. January 24, 1983. Retrieved July 10, 2021.
  8. ^ "M 6.3 - 5 km SW of Salina Cruz, Mexico". United States Geological Survey. January 24, 1983. Retrieved July 10, 2021.
  9. ^ "M 6.8 - 166 km NE of Bamboo Flat, India". United States Geological Survey. January 24, 1983. Retrieved July 10, 2021.
  10. ^ "M 6.8 - 166 km NE of Bamboo Flat, India". United States Geological Survey. January 24, 1983. Retrieved July 10, 2021.
  11. ^ "M 7.0 - Kermadec Islands region". United States Geological Survey. January 26, 1983. Retrieved July 10, 2021.
  12. ^ "M 6.3 - 77 km ESE of Mangili, Philippines". United States Geological Survey. February 12, 1983. Retrieved July 10, 2021.
  13. ^ "M 6.3 - 77 km ESE of Mangili, Philippines". United States Geological Survey. February 12, 1983. Retrieved July 10, 2021.
  14. ^ "M 6.2 - 90 km NW of Kashgar, China". United States Geological Survey. February 13, 1983. Retrieved July 10, 2021.
  15. ^ "M 6.2 - 90 km NW of Kashgar, China". United States Geological Survey. February 13, 1983. Retrieved July 10, 2021.
  16. ^ "Significant Earthquake: CHINA: XINJIANG WEIWUER ZIZHIQU PROVINCE: WUQUA S". National Geophysical Data Center. February 13, 1983. Retrieved July 10, 2021.
  17. ^ "M 5.7 - 33 km N of Yigo Village, Guam". United States Geological Survey. February 13, 1983. Retrieved July 10, 2021.
  18. ^ "M 5.7 - 33 km N of Yigo Village, Guam". United States Geological Survey. February 13, 1983. Retrieved July 10, 2021.
  19. ^ "M 6.5 - 94 km ESE of Sand Point, Alaska". United States Geological Survey. February 14, 1983. Retrieved July 10, 2021.
  20. ^ "M 6.5 - 94 km ESE of Sand Point, Alaska". United States Geological Survey. February 14, 1983. Retrieved July 10, 2021.
  21. ^ "M 6.4 - 78 km ESE of Caburan, Philippines". United States Geological Survey. February 20, 1983. Retrieved July 10, 2021.
  22. ^ "M 6.4 - 78 km ESE of Caburan, Philippines". United States Geological Survey. February 20, 1983. Retrieved July 10, 2021.
  23. ^ "M 4.7 - 1 km WSW of ?????????, North Macedonia". United States Geological Survey. February 25, 1983. Retrieved July 10, 2021.
  24. ^ "M 4.7 - 1 km WSW of ?????????, North Macedonia". United States Geological Survey. February 25, 1983. Retrieved July 10, 2021.
  25. ^ "Significant Earthquake: BALKANS NW: MACEDONIA: SKOPJE". National Geophysical Data Center. February 25, 1983. Retrieved July 10, 2021.
  26. ^ "M 6.9 - 77 km SE of Palca, Peru". United States Geological Survey. February 25, 1983. Retrieved July 10, 2021.
  27. ^ "M 6.9 - 77 km SE of Palca, Peru". United States Geological Survey. February 25, 1983. Retrieved July 10, 2021.
  28. ^ "M 5.3 - 36 km SE of Rasht, Tajikistan". United States Geological Survey. February 26, 1983. Retrieved July 10, 2021.
  29. ^ "M 5.3 - 36 km SE of Rasht, Tajikistan". United States Geological Survey. February 26, 1983. Retrieved July 10, 2021.
  30. ^ "M 5.9 - 1 km NE of Nagareyama, Japan". United States Geological Survey. February 27, 1983. Retrieved July 10, 2021.
  31. ^ "M 5.9 - 1 km NE of Nagareyama, Japan". United States Geological Survey. February 27, 1983. Retrieved July 10, 2021.
  32. ^ "M 5.9 - 48 km N of Güiria, Venezuela". United States Geological Survey. March 8, 1983. Retrieved July 10, 2021.
  33. ^ "M 5.9 - 48 km N of Güiria, Venezuela". United States Geological Survey. March 8, 1983. Retrieved July 10, 2021.
  34. ^ "M 6.2 - 54 km E of Shikotan, Russia". United States Geological Survey. March 10, 1983. Retrieved July 10, 2021.
  35. ^ "M 6.0 - 49 km SW of Ambon, Indonesia". United States Geological Survey. March 12, 1983. Retrieved July 10, 2021.
  36. ^ "M 6.0 - 49 km SW of Ambon, Indonesia". United States Geological Survey. March 12, 1983. Retrieved July 10, 2021.
  37. ^ "M 6.7 - 49 km SW of Ambon, Indonesia". United States Geological Survey. March 12, 1983. Retrieved July 10, 2021.
  38. ^ "M 6.7 - 49 km SW of Ambon, Indonesia". United States Geological Survey. March 12, 1983. Retrieved July 10, 2021.
  39. ^ "Significant Earthquake: INDONESIA: BANDA SEA". National Geophysical Data Center. March 12, 1983. Retrieved July 10, 2021.
  40. ^ "M 5.3 - 15 km SSE of Shinshiro, Japan". United States Geological Survey. March 15, 1983. Retrieved July 10, 2021.
  41. ^ "M 5.3 - 15 km SSE of Shinshiro, Japan". United States Geological Survey. March 15, 1983. Retrieved July 10, 2021.
  42. ^ "M 6.7 - 120 km SSE of Pondaguitan, Philippines". United States Geological Survey. March 15, 1983. Retrieved July 10, 2021.
  43. ^ "M 6.7 - 120 km SSE of Pondaguitan, Philippines". United States Geological Survey. March 15, 1983. Retrieved July 10, 2021.
  44. ^ "M 7.6 - 157 km ESE of Kokopo, Papua New Guinea". United States Geological Survey. March 18, 1983. Retrieved July 10, 2021.
  45. ^ "M 7.6 - 157 km ESE of Kokopo, Papua New Guinea". United States Geological Survey. March 18, 1983. Retrieved July 10, 2021.
  46. ^ "Significant Earthquake: PAPUA NEW GUINEA: NEW IRELAND". National Geophysical Data Center. March 18, 1983. Retrieved July 10, 2021.
  47. ^ "M 6.4 - 106 km ESE of Kokopo, Papua New Guinea". United States Geological Survey. March 20, 1983. Retrieved July 10, 2021.
  48. ^ "M 6.4 - 106 km ESE of Kokopo, Papua New Guinea". United States Geological Survey. March 20, 1983. Retrieved July 10, 2021.
  49. ^ "M 6.7 - 41 km SW of Vaini, Tonga". United States Geological Survey. March 21, 1983. Retrieved July 10, 2021.
  50. ^ "M 6.7 - 41 km SW of Vaini, Tonga". United States Geological Survey. March 21, 1983. Retrieved July 10, 2021.
  51. ^ "M 6.4 - 18 km NW of Lixoúri, Greece". United States Geological Survey. March 23, 1983. Retrieved July 11, 2021.
  52. ^ "M 6.4 - 18 km NW of Lixoúri, Greece". United States Geological Survey. March 23, 1983. Retrieved July 11, 2021.
  53. ^ "Significant Earthquake: GREECE: VONITSA". National Geophysical Data Center. March 23, 1983. Retrieved July 11, 2021.
  54. ^ "M 5.2 - 31 km NE of Dam?vand, Iran". United States Geological Survey. March 25, 1983. Retrieved July 11, 2021.
  55. ^ "M 5.2 - 31 km NE of Dam?vand, Iran". United States Geological Survey. March 25, 1983. Retrieved July 11, 2021.
  56. ^ "Significant Earthquake: IRAN: TEHRAN, DAMAVOND, AMOI". National Geophysical Data Center. March 25, 1983. Retrieved July 11, 2021.
  57. ^ "M 5.5 - 8 km WNW of Popayán, Colombia". United States Geological Survey. March 31, 1983. Retrieved July 11, 2021.
  58. ^ "M 5.5 - 8 km WNW of Popayán, Colombia". United States Geological Survey. March 31, 1983. Retrieved July 11, 2021.
  59. ^ "Significant Earthquake: COLOMBIA: SW, POPAYAN". National Geophysical Data Center. March 31, 1983. Retrieved July 11, 2021.
  60. ^ "M 7.1, Costa Rica". 3 April 1983.
  61. ^ "M 6.9, Sabang, Indonesia". 4 April 1983.
  62. ^ "M 6.5, Kuril Islands". 4 April 1983.
  63. ^ "M 6.7, Owen Fracture Zone". 8 April 1983.
  64. ^ "M 7.0, La Peca, Peru". 12 April 1983.
  65. ^ "M 7.0, Iran". 18 April 1983.
  66. ^ "M 6.4, Gizo, Solomon Islands". 24 April 1983.
  67. ^ "M 6.5, Southern Hokkaido". 30 April 1983.
  68. ^ "M 6.7, California". 2 May 1983.
  69. ^ "M 6.5, Kimbe, Papua New Guinea". 10 May 1983.
  70. ^ "M 6.7, Papua New Guinea". 10 May 1983.
  71. ^ "M 6.5, Tonga". 15 May 1983.
  72. ^ "M 7.8, Japan". 26 May 1983.
  73. ^ "M 6.6, Tonga". 1 June 1983.
  74. ^ "M 6.3, Southern Hokkaido, Japan". 9 June 1983.
  75. ^ "M 6.7, Southern Hokkaido, Japan". 21 June 1983.
  76. ^ "M 6.4, China Sea". 21 June 1983.
  77. ^ "M 6.3, Vietnam". 24 June 1983.
  78. ^ "M 6.5, 17 Km South of Pejibaye, Costa Rica". 3 July 1983.
  79. ^ "M 6.5, Southeast of the Loyalty Islands, New Caledonia". 5 July 1983.
  80. ^ "M 6.1, 10 Km North of Biga, Turkey". 5 July 1983.
  81. ^ "M 6.9, South Shetland Islands". 11 July 1983.
  82. ^ "M 6.6, Alaska". 12 July 1983.
  83. ^ "M 6.2, Kamchatka, Russia". 24 July 1983.
  84. ^ "M 6.4, Indonesia". 24 July 1983.
  85. ^ "M 6.8, Greece". 6 August 1983.
  86. ^ "M 7.1, Kamchatka, Russia". 17 August 1983.
  87. ^ "M 6.5, Piddig, Philippines". 17 August 1983.
  88. ^ "M 6.5, Southern Hokkaido". 25 August 1983.
  89. ^ "M 6.1, Tonga". 30 August 1983.
  90. ^ "M 6.4, Alaska". 7 September 1983.
  91. ^ "M 6.2, Hindu Kush, Afghanistan". 12 September 1983.
  92. ^ "M 6.3, Mexico". 15 September 1983.
  93. ^ "M 6.7, Pacific Ocean". 17 September 1983.
  94. ^ "M 7.4 - 54 km WSW of Diego de Almagro, Chile". United States Geological Survey. 4 October 1983. Retrieved 3 August 2021.
  95. ^ "M 6.0 - 94 km SSE of Kurchatov, Kazakhstan". United States Geological Survey. 6 October 1983. Retrieved 3 August 2021.
  96. ^ "M 6.5 - 58 km W of Gizo, Solomon Islands". United States Geological Survey. 15 October 1983. Retrieved 3 August 2021.
  97. ^ "M 6.5 - 231 km WNW of Gorontalo, Indonesia". United States Geological Survey. 16 October 1983. Retrieved 3 August 2021.
  98. ^ "M 6.9 - The 1983 Borah Peak Earthquake, Idaho". United States Geological Survey. 28 October 1983. Retrieved 3 August 2021.
  99. ^ "M 6.8 - 27 km E of Narman, Turkey". United States Geological Survey. 30 October 1983. Retrieved 3 August 2021.
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