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List of earthquakes in 1977

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Earthquakes in1977
List of earthquakes in 1977 is located in Earth
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
List of earthquakes in 1977
class=notpageimage|
Approximate epicenters of the earthquakes in 1977
Strongest magnitudeIndonesia,south ofSumbawa(Magnitude 8.3) August 19
DeadliestRomania,Vrancea County(Magnitude 7.5) March 4 1,641 deaths
Total fatalities3,107
Number by magnitude
9.0+0
8.0–8.91
7.0–7.910
6.0–6.975
5.0–5.91,693
4.0–4.92,395
←1976
1978→

This is a list ofearthquakes in 1977.Onlyearthquakesof 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 toUTCtime. Maximum intensities are indicated on theMercalli intensity scaleand are sourced fromUnited States Geological Survey(USGS)ShakeMapdata. Not a particularly busy year as far as the number of magnitude 7.0+ events with 11 being recorded. The largest event struckIndonesiain August and measured magnitude 8.3. TheSolomon Islandswere affected by a series of magnitude 7.5 events in April. Several events caused significant numbers of fatalities especially inIranwhich had 3 earthquakes throughout the year with a combined death toll of around 1,120 people. The deadliest earthquake occurred inRomaniain March and was the worst in the country's history. 1,641 people were killed in this event.

By death toll

[edit]
Rank Death toll Magnitude Location MMI Depth (km) Date
1 1,641 7.5 Romania,Vrancea County VIII (Severe) 94.0 March 4
2 584 5.8 Iran,Kerman Province VIII (Severe) 31.0 December 19
3 366 5.9 Iran,Chaharmahal and Bakhtiari Province IX (Violent) 41.0 April 6
4 189 8.3 Indonesia,south ofSumbawa VI (Strong) 25.0 August 19
5 167 6.9 Iran,Hormozgan Province IX (Violent) 29.0 March 21
6 70 7.4 Argentina,San Juan Province, Argentina X (Extreme) 13.0 November 23
7 34 6.7 British Solomon Islands,Guadalcanal VII (Very strong) 33.0 April 20
8 30 5.2 Turkey,Elazığ Province V (Moderate) 21.0 March 25
9 18 7.5 British Solomon Islands,Guadalcanal VII (Very strong) 33.0 April 21

Listed are earthquakes with at least 10 dead.

By magnitude

[edit]
Rank Magnitude Death toll Location MMI Depth (km) Date
1 8.3 189 Indonesia,south ofSumbawa VI (Strong) 25.0 August 19
2 7.6 0 Western Samoa VI (Strong) 33.0 April 2
= 3 7.5 1,641 Romania,Vrancea County VIII (Severe) 94.0 March 4
= 3 7.5 0 British Solomon Islands,Guadalcanal VII (Very strong) 19.0 April 20
= 3 7.5 0 British Solomon Islands,Guadalcanal VII (Very strong) 33.0 April 20
= 3 7.5 18 British Solomon Islands,Guadalcanal VII (Very strong) 33.0 April 21
4 7.4 70 Argentina,San Juan Province, Argentina X (Extreme) 13.0 November 23
= 5 7.2 0 British Solomon Islands VI (Strong) 33.0 July 29
= 5 7.2 0 Tonga,south of III (Weak) 33.0 October 10
6 7.1 0 Falkland Islands Dependencies,east ofSouth Georgia and the South Sandwich Islands () 33.0 August 26
7 7.0 1 Philippines,Luzon VIII (Severe) 37.0 March 18

Listed are earthquakes with at least 7.0 magnitude.

By month

[edit]

January

[edit]
January
Strongest magnitude6.6MwPapua New Guinea
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.97
5.0–5.9131
4.0–4.9184
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[1][2] China,Qinghai Province 6.3 27.0 VII
2[3][4] Indonesia,south ofSumbawa 6.3 19.0 V
6[5][6] Papua New Guinea,off the north coast ofEast Sepik Province 6.6 33.0 VII
17[7][8] Chile,Antofagasta Region 6.3 33.0 VI
18[9][10] New Zealand,Cook Strait 6.0 50.0 VI
26[11][12][13] Indonesia,Bali 5.2 33.0 VI Some damage was caused.
31[14][15][16] Soviet Union,Batken Region,Kyrgyzstan 6.1 20.0 VII Some damage was caused.

February

[edit]
February
Strongest magnitude6.7MwUnited States
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.97
5.0–5.996
4.0–4.9152
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[17] Argentina,Salta Province 6.0 549.0
19[18] United States,Near Islands,Alaska 6.7 33.0

March

[edit]
March
Strongest magnitude7.5MwRomania
Deadliest7.5MwRomania
1,641 deaths
Total fatalities1,839
Number by magnitude
8.0–8.90
7.0–7.92
6.0–6.97
5.0–5.9132
4.0–4.9229
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
2[19][20] Philippines,Moro Gulf,Mindanao 6.1 52.0 VI
4[21][22][23] Romania,Vrancea County 7.5 94.0 VIII Deadliest event of 1977.The1977 Vrancea earthquakecaused major destruction despite being fairly deep. 1,641 people were killed and 10,500 were injured. This was the deadliest earthquake in Romanian history.Bucharestsuffered major property damage with costs reaching $2 billion (1977 rate). 1,641 10,500
8[24][25][26] Indonesia,northernSumatra 6.0 22.0 VIII Some damage was caused.
18[27][28][29] Philippines,Luzon 7.0 37.0 VIII 1 person was killed and another 9 were injured. 14 homes were destroyed and 22 more were damaged. Costs were $100,000 (1977 rate). 1 9
21[30][31][32] Iran,Hormozgan Province 6.9 29.0 VIII During the1977 Khurgu earthquake,167 people were killed and another 556 were injured. Major damage was reported. 167 556
23[33][34] Fiji 6.3 33.0 VI
23[35] Fiji 6.0 2.0 Aftershock of previous event.
25[36][37][38] Turkey,Elazığ Province 5.2 21.0 V 30 people were killed and major damage was caused. 30
26[39][40] United States,Fox Islands (Alaska) 6.0 38.0 IV

April

[edit]
April
Strongest magnitude7.6MwWestern Samoa
Deadliest5.9MwIran
366 deaths
Total fatalities418
Number by magnitude
8.0–8.90
7.0–7.94
6.0–6.97
5.0–5.9156
4.0–4.9234
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
1[41][42] Iran,Hormozgan Province 6.2 29.0 VII Aftershock of March 21 event.
2[43][44][45] Western Samoa 7.6 33.0 VI Some damage was reported.
6[46][47][48] Iran,Chaharmahal and Bakhtiari Province 5.9 41.0 IX The1977 Naghan earthquakekilled at least 366 people and left a further 200 injured. Some damage was caused. 366 200
20[49][50][51] United Kingdom,Guadalcanal,Solomon Islands 6.7 33.0 VII Beginning of a series of large and destructive earthquakes in a period of several hours. 12 people died and a further 22 were missing in the first event. Major damage was caused. A mild tsunami was observed. 34
20[52][53][54] United Kingdom,Guadalcanal,Solomon Islands 7.5 19.0 IX[55] Some damage was caused.
20[56][57][58] United Kingdom,Guadalcanal,Solomon Islands 7.5 33.0 VIII Suspected injuries and damage were reported. 1+
21[59][60] United Kingdom,Guadalcanal,Solomon Islands 6.1 33.0 VI
21[61][62][63] United Kingdom,Guadalcanal,Solomon Islands 7.5 33.0 VII Final of the mainshocks in the series. A further 18 people were killed and 1 person was injured. Major damage was caused. 18 1
21[64][65] United Kingdom,Solomon Islands 6.0 33.0 V Aftershock.
22[66][67] United Kingdom,Solomon Islands 6.0 51.0 V Aftershock.

May

[edit]
May
Strongest magnitude6.0MwUnited States
Deadliest5.4MwIran
3 deaths
Total fatalities3
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.91
5.0–5.9128
4.0–4.9211
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
26[68][69][70] Iran,West Azarbaijan Province 5.4 37.0 V 3 people were killed and 9 were injured. Heavy damage was reported. 3 9
30[71][72] United States,Fox Islands (Alaska) 6.0 33.0 IV

June

[edit]
June
Strongest magnitude6.8MwTonga
Deadliest6.8MwTonga
1 death
Total fatalities1
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.94
5.0–5.9115
4.0–4.9224
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
22[73][74][75] Tonga 6.8 65.0 VII 1 person was killed and 5 were injured in the1977 Tonga earthquake.$1.2 million (1977 rate) of property damage was caused. 1 5

July

[edit]
July
Strongest magnitude7.2MwUnited Kingdom,Solomon Islands
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.95
5.0–5.9116
4.0–4.9184
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
16[76][77] Yugoslavia,Upper Carniola,Slovenia 4.6 6.0 VI Some damage was caused.
21[78][79] Philippines,Luzon 6.9 33.0 VII
29[80][81] United Kingdom,Solomon Islands 7.2 33.0 VI

August

[edit]
August
Strongest magnitude8.3MwIndonesia
Deadliest8.3MwIndonesia
189 deaths
Total fatalities192
Number by magnitude
8.0–8.91
7.0–7.91
6.0–6.911
5.0–5.9180
4.0–4.9212
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
19[82] Indonesia,south ofSumbawa 6.1 33.0 Foreshock of1977 Sumba earthquake.
19[83][84][85][86] Indonesia,south ofSumbawa 8.3 25.0 VI Largest event of 1977.The1977 Sumba earthquakecaused some damage. A largetsunamiled to 189 deaths and 75 injuries. Damage costs of $1.2 million (1977 rate). Many aftershocks followed. 189 75
26[87] United Kingdom,east ofSouth Georgia and the South Sandwich Islands 7.1 33.0
27[88][89] Indonesia,north ofTimor 6.8 25.0 VII
29[90][91] Philippines,west ofLuzon 6.2 12.0 V
31[92][93][94] Colombia,Antioquia Department 6.4 33.0 VII 3 people were killed and some damage was caused. 3

September

[edit]
September
Strongest magnitude6.6MwUnited States
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.99
5.0–5.9141
4.0–4.9192
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
4[95][96] New Hebrides,Vanuatu 6.5 33.0 VI
4[97][98] United States,Rat Islands,Alaska 6.4 34.0 II First of a series of large events in the area.
4[99][100] United States,Rat Islands,Alaska 6.4 31.0 II
4[101][102] United States,Rat Islands,Alaska 6.6 8.0 II
12[103] Greece,southwest ofCrete 6.0 33.0
13[104] Tonga 6.0 33.0

October

[edit]
October
Strongest magnitude7.2MwTonga
Total fatalities0
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.94
5.0–5.9184
4.0–4.9208
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
10[105][106] Tonga,south of 7.2 33.0 III
22[107] Argentina,Santiago del Estero Province 6.1 614.0

November

[edit]
November
Strongest magnitude7.4MwArgentina
Deadliest7.4MwArgentina
70 deaths
Total fatalities70
Number by magnitude
8.0–8.90
7.0–7.91
6.0–6.97
5.0–5.9160
4.0–4.9186
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
3[108][109][110] Bulgaria,Pazardzhik Province 5.2 6.0 VII Some damage was caused.
4[111][112] United States,Andreanof Islands,Alaska 6.7 33.0 VI
9[113][114][115] Iran,Semnan Province 4.9 33.0 IV Some damage was caused.
18[116][117] China,westernXizang Province 6.5 33.0 VIII
23[118][119][120] Argentina,San Juan Province, Argentina 7.4 13.0 X 70 people were killed and 300 were injured in the1977 San Juan earthquake.Extensive property damage was caused with costs of $80 million (1977 rate). 70 300
23[121][122] Argentina,La Rioja Province 6.0 33.0 VI Aftershock.
24[123][124] Argentina,San Juan Province, Argentina 6.0 33.0 VII Aftershock.
24[125][126] Argentina,San Juan Province, Argentina 6.3 23.0 VII Aftershock.

December

[edit]
December
Strongest magnitude6.8MwJapan
Deadliest5.8MwIran
584 deaths
Total fatalities584
Number by magnitude
8.0–8.90
7.0–7.90
6.0–6.96
5.0–5.9154
4.0–4.9179
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured
19[127][128][129] Iran,Kerman Province 5.8 31.0 VIII During the1977 Bob–Tangol earthquake,584 people were killed and 1,000 were injured. Major damage was caused. 584 1,000
28[130][131] Red Sea 6.6 33.0 VIII

References

[edit]
  1. ^"M 6.3 - Xinjiang-Qinghai border region, China".United States Geological Survey.January 1, 1977.RetrievedJune 6,2021.
  2. ^"M 6.3 - Xinjiang-Qinghai border region, China".United States Geological Survey.January 1, 1977.RetrievedJune 6,2021.
  3. ^"M 6.3 - south of Sumbawa, Indonesia".United States Geological Survey.January 2, 1977.RetrievedJune 6,2021.
  4. ^"M 6.3 - south of Sumbawa, Indonesia".United States Geological Survey.January 2, 1977.RetrievedJune 6,2021.
  5. ^"M 6.6 - near the north coast of New Guinea, Papua New Guinea".United States Geological Survey.January 6, 1977.RetrievedJune 6,2021.
  6. ^"M 6.6 - near the north coast of New Guinea, Papua New Guinea".United States Geological Survey.January 6, 1977.RetrievedJune 6,2021.
  7. ^"M 6.3 - Antofagasta, Chile".United States Geological Survey.January 17, 1977.RetrievedJune 6,2021.
  8. ^"M 6.3 - Antofagasta, Chile".United States Geological Survey.January 17, 1977.RetrievedJune 6,2021.
  9. ^"M 6.0 - Cook Strait, New Zealand".United States Geological Survey.January 18, 1977.RetrievedJune 6,2021.
  10. ^"M 6.0 - Cook Strait, New Zealand".United States Geological Survey.January 18, 1977.RetrievedJune 6,2021.
  11. ^"M 5.2 - Bali region, Indonesia".United States Geological Survey.January 26, 1977.RetrievedJune 6,2021.
  12. ^"M 5.2 - Bali region, Indonesia".United States Geological Survey.January 26, 1977.RetrievedJune 6,2021.
  13. ^"Significant Earthquake: INDONESIA: BALI: KAYUBIHI,BANJAR ANTUGAN JEHEM".National Geophysical Data Center.January 26, 1977.RetrievedJune 6,2021.
  14. ^"M 6.1 - Kyrgyzstan".United States Geological Survey.January 31, 1977.RetrievedJune 6,2021.
  15. ^"M 6.1 - Kyrgyzstan".United States Geological Survey.January 31, 1977.RetrievedJune 6,2021.
  16. ^"Significant Earthquake: TAJIKISTAN".National Geophysical Data Center.January 31, 1977.RetrievedJune 6,2021.
  17. ^"M 6.0 - Salta, Argentina".United States Geological Survey.February 4, 1977.RetrievedJune 6,2021.
  18. ^"M 6.7 - Near Islands, Aleutian Islands, Alaska".United States Geological Survey.February 19, 1977.RetrievedJune 6,2021.
  19. ^"M 6.1 - Moro Gulf, Mindanao, Philippines".United States Geological Survey.March 2, 1977.RetrievedJune 6,2021.
  20. ^"M 6.1 - Moro Gulf, Mindanao, Philippines".United States Geological Survey.March 2, 1977.RetrievedJune 6,2021.
  21. ^"M 7.5 - Romania".United States Geological Survey.March 4, 1977.RetrievedJune 6,2021.
  22. ^"M 7.5 - Romania".United States Geological Survey.March 4, 1977.RetrievedJune 6,2021.
  23. ^"Significant Earthquake: ROMANIA: BUCHAREST".National Geophysical Data Center.March 4, 1977.RetrievedJune 6,2021.
  24. ^"M 6.0 - northern Sumatra, Indonesia".United States Geological Survey.March 8, 1977.RetrievedJune 6,2021.
  25. ^"M 6.0 - northern Sumatra, Indonesia".United States Geological Survey.March 8, 1977.RetrievedJune 6,2021.
  26. ^"Significant Earthquake: INDONESIA: SUMATERA,SINURAT,TALU".National Geophysical Data Center.March 8, 1977.RetrievedJune 6,2021.
  27. ^"M 7.0 - Luzon, Philippines".United States Geological Survey.March 18, 1977.RetrievedJune 6,2021.
  28. ^"M 7.0 - Luzon, Philippines".United States Geological Survey.March 18, 1977.RetrievedJune 6,2021.
  29. ^"Significant Earthquake: PHILIPPINES: LUZON: MANILA".National Geophysical Data Center.March 18, 1977.RetrievedJune 6,2021.
  30. ^"M 6.9 - southern Iran".United States Geological Survey.March 21, 1977.RetrievedJune 6,2021.
  31. ^"M 6.9 - southern Iran".United States Geological Survey.March 21, 1977.RetrievedJune 6,2021.
  32. ^"Significant Earthquake: IRAN: BANDAR ABBAS".National Geophysical Data Center.March 21, 1977.RetrievedJune 6,2021.
  33. ^"M 6.3 - Fiji region".United States Geological Survey.March 23, 1977.RetrievedJune 6,2021.
  34. ^"M 6.3 - Fiji region".United States Geological Survey.March 23, 1977.RetrievedJune 6,2021.
  35. ^"M 6.3 - Fiji region".United States Geological Survey.March 23, 1977.RetrievedJune 6,2021.
  36. ^"M 5.2 - eastern Turkey".United States Geological Survey.March 25, 1977.RetrievedJune 7,2021.
  37. ^"M 5.2 - eastern Turkey".United States Geological Survey.March 25, 1977.RetrievedJune 7,2021.
  38. ^"Significant Earthquake: TURKEY".National Geophysical Data Center.March 25, 1977.RetrievedJune 7,2021.
  39. ^"M 6.0 - Fox Islands, Aleutian Islands, Alaska".United States Geological Survey.March 26, 1977.RetrievedJune 7,2021.
  40. ^"M 6.0 - Fox Islands, Aleutian Islands, Alaska".United States Geological Survey.March 26, 1977.RetrievedJune 7,2021.
  41. ^"M 6.2 - southern Iran".United States Geological Survey.April 1, 1977.RetrievedJune 8,2021.
  42. ^"M 6.2 - southern Iran".United States Geological Survey.April 1, 1977.RetrievedJune 8,2021.
  43. ^"M 7.6 - Samoa Islands region".United States Geological Survey.April 2, 1977.RetrievedJune 8,2021.
  44. ^"M 7.6 - Samoa Islands region".United States Geological Survey.April 2, 1977.RetrievedJune 8,2021.
  45. ^"Significant Earthquake: SAMOA ISLANDS: APIA".National Geophysical Data Center.April 2, 1977.RetrievedJune 8,2021.
  46. ^"M 5.9 - western Iran".United States Geological Survey.April 6, 1977.RetrievedJune 8,2021.
  47. ^"M 5.9 - western Iran".United States Geological Survey.April 6, 1977.RetrievedJune 8,2021.
  48. ^"Significant Earthquake: IRAN: NAGHAN,ARDAL,JAGHDAN,DASTGERD,KORDAN,SARMUR".National Geophysical Data Center.April 6, 1977.RetrievedJune 8,2021.
  49. ^"M 6.7 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  50. ^"M 6.7 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  51. ^"Significant Earthquake: SOLOMON ISLANDS".National Geophysical Data Center.April 20, 1977.RetrievedJune 8,2021.
  52. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  53. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  54. ^"Significant Earthquake: SOLOMON ISLANDS".National Geophysical Data Center.April 20, 1977.RetrievedJune 8,2021.
  55. ^USGS (27 March 2023)."PAGER"(PDF).Retrieved3 April2023.
  56. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  57. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 20, 1977.RetrievedJune 8,2021.
  58. ^"Significant Earthquake: SOLOMON ISLANDS".National Geophysical Data Center.April 20, 1977.RetrievedJune 8,2021.
  59. ^"M 6.1 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  60. ^"M 6.1 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  61. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  62. ^"M 7.5 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  63. ^"Significant Earthquake: SOLOMON ISLANDS".National Geophysical Data Center.April 21, 1977.RetrievedJune 8,2021.
  64. ^"M 6.0 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  65. ^"M 6.0 - Solomon Islands".United States Geological Survey.April 21, 1977.RetrievedJune 8,2021.
  66. ^"M 6.0 - Solomon Islands".United States Geological Survey.April 22, 1977.RetrievedJune 8,2021.
  67. ^"M 6.0 - Solomon Islands".United States Geological Survey.April 22, 1977.RetrievedJune 8,2021.
  68. ^"M 5.4 - Turkey-Iran border region".United States Geological Survey.May 26, 1977.RetrievedJune 9,2021.
  69. ^"M 5.4 - Turkey-Iran border region".United States Geological Survey.May 26, 1977.RetrievedJune 9,2021.
  70. ^"Significant Earthquake: IRAN: AZARBAIJAN".National Geophysical Data Center.May 26, 1977.RetrievedJune 9,2021.
  71. ^"M 6.0 - Fox Islands, Aleutian Islands, Alaska".United States Geological Survey.May 30, 1977.RetrievedJune 9,2021.
  72. ^"M 6.0 - Fox Islands, Aleutian Islands, Alaska".United States Geological Survey.May 30, 1977.RetrievedJune 9,2021.
  73. ^"M 6.8 - Tonga region".United States Geological Survey.June 22, 1977.RetrievedJune 9,2021.
  74. ^"M 6.8 - Tonga region".United States Geological Survey.June 22, 1977.RetrievedJune 9,2021.
  75. ^"Significant Earthquake: TONGA TRENCH".National Geophysical Data Center.June 22, 1977.RetrievedJune 9,2021.
  76. ^"M 4.6 - Slovenia".United States Geological Survey.July 16, 1977.RetrievedJune 10,2021.
  77. ^"Significant Earthquake: BALKANS NW: SLOVENIA: TRSTENIK,BELA,TENETISE".National Geophysical Data Center.July 16, 1977.RetrievedJune 10,2021.
  78. ^"M 6.9 - Luzon, Philippines".United States Geological Survey.July 21, 1977.RetrievedJune 10,2021.
  79. ^"M 6.9 - Luzon, Philippines".United States Geological Survey.July 21, 1977.RetrievedJune 10,2021.
  80. ^"M 7.2 - Solomon Islands".United States Geological Survey.July 29, 1977.RetrievedJune 10,2021.
  81. ^"M 7.2 - Solomon Islands".United States Geological Survey.July 29, 1977.RetrievedJune 10,2021.
  82. ^"M 6.1 - south of Sumbawa, Indonesia".United States Geological Survey.August 19, 1977.RetrievedJune 10,2021.
  83. ^"M 8.3 - south of Sumbawa, Indonesia".United States Geological Survey.August 19, 1977.RetrievedJune 10,2021.
  84. ^"M 8.3 - south of Sumbawa, Indonesia".United States Geological Survey.August 19, 1977.RetrievedJune 10,2021.
  85. ^"Significant Earthquake: INDONESIA: SUNDA ISLANDS".National Geophysical Data Center.August 19, 1977.RetrievedJune 10,2021.
  86. ^"Tsunami Event: SUNDA ISLANDS".National Geophysical Data Center.August 19, 1977.RetrievedJune 10,2021.
  87. ^"M 7.1 - east of the South Sandwich Islands".United States Geological Survey.August 26, 1977.RetrievedJune 10,2021.
  88. ^"M 6.8 - East Timor region".United States Geological Survey.August 27, 1977.RetrievedJune 10,2021.
  89. ^"M 6.8 - East Timor region".United States Geological Survey.August 27, 1977.RetrievedJune 10,2021.
  90. ^"M 6.2 - Philippine Islands region".United States Geological Survey.August 29, 1977.RetrievedJune 10,2021.
  91. ^"M 6.2 - Philippine Islands region".United States Geological Survey.August 29, 1977.RetrievedJune 10,2021.
  92. ^"M 6.4 - northern Colombia".United States Geological Survey.August 31, 1977.RetrievedJune 10,2021.
  93. ^"M 6.4 - northern Colombia".United States Geological Survey.August 31, 1977.RetrievedJune 10,2021.
  94. ^"Significant Earthquake: COLOMBIA: APARTADO, MEDELLIN".National Geophysical Data Center.August 31, 1977.RetrievedJune 10,2021.
  95. ^"M 6.5 - Vanuatu".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  96. ^"M 6.5 - Vanuatu".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  97. ^"M 6.4 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  98. ^"M 6.4 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  99. ^"M 6.4 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  100. ^"M 6.4 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  101. ^"M 6.6 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  102. ^"M 6.6 - Rat Islands, Aleutian Islands, Alaska".United States Geological Survey.September 4, 1977.RetrievedJune 12,2021.
  103. ^"M 6.0 - Crete, Greece".United States Geological Survey.September 12, 1977.RetrievedJune 12,2021.
  104. ^"M 6.0 - Tonga".United States Geological Survey.September 13, 1977.RetrievedJune 12,2021.
  105. ^"M 7.2 - south of Tonga".United States Geological Survey.October 10, 1977.RetrievedJune 13,2021.
  106. ^"M 7.2 - south of Tonga".United States Geological Survey.October 10, 1977.RetrievedJune 13,2021.
  107. ^"M 6.1 - Santiago Del Estero, Argentina".United States Geological Survey.October 22, 1977.RetrievedJune 13,2021.
  108. ^"M 5.2 - Bulgaria".United States Geological Survey.November 3, 1977.RetrievedJune 13,2021.
  109. ^"M 5.2 - Bulgaria".United States Geological Survey.November 3, 1977.RetrievedJune 13,2021.
  110. ^"Significant Earthquake: ROMANIA: VELINGRAD".National Geophysical Data Center.November 3, 1977.RetrievedJune 13,2021.
  111. ^"M 6.7 - Andreanof Islands, Aleutian Islands, Alaska".United States Geological Survey.November 4, 1977.RetrievedJune 13,2021.
  112. ^"M 6.7 - Andreanof Islands, Aleutian Islands, Alaska".United States Geological Survey.November 4, 1977.RetrievedJune 13,2021.
  113. ^"M 4.9 - northern Iran".United States Geological Survey.November 9, 1977.RetrievedJune 13,2021.
  114. ^"M 4.9 - northern Iran".United States Geological Survey.November 9, 1977.RetrievedJune 13,2021.
  115. ^"Significant Earthquake: IRAN: GORGAN".National Geophysical Data Center.November 9, 1977.RetrievedJune 13,2021.
  116. ^"M 6.5 - western Xizang".United States Geological Survey.November 18, 1977.RetrievedJune 13,2021.
  117. ^"M 6.5 - western Xizang".United States Geological Survey.November 18, 1977.RetrievedJune 13,2021.
  118. ^"M 7.4 - San Juan, Argentina".United States Geological Survey.November 23, 1977.RetrievedJune 13,2021.
  119. ^"M 7.4 - San Juan, Argentina".United States Geological Survey.November 23, 1977.RetrievedJune 13,2021.
  120. ^"Significant Earthquake: ARGENTINA: SAN JUAN PROVINCE: MENDOZA".National Geophysical Data Center.November 23, 1977.RetrievedJune 13,2021.
  121. ^"M 6.0 - La Rioja, Argentina".United States Geological Survey.November 23, 1977.RetrievedJune 14,2021.
  122. ^"M 6.0 - La Rioja, Argentina".United States Geological Survey.November 23, 1977.RetrievedJune 14,2021.
  123. ^"M 6.0 - San Juan, Argentina".United States Geological Survey.November 24, 1977.RetrievedJune 14,2021.
  124. ^"M 6.0 - San Juan, Argentina".United States Geological Survey.November 24, 1977.RetrievedJune 14,2021.
  125. ^"M 6.3 - San Juan, Argentina".United States Geological Survey.November 24, 1977.RetrievedJune 14,2021.
  126. ^"M 6.3 - San Juan, Argentina".United States Geological Survey.November 24, 1977.RetrievedJune 14,2021.
  127. ^"M 5.8 - central Iran".United States Geological Survey.December 19, 1977.RetrievedJune 14,2021.
  128. ^"M 5.8 - central Iran".United States Geological Survey.December 19, 1977.RetrievedJune 14,2021.
  129. ^"Significant Earthquake: IRAN: BAB-TANGOL".National Geophysical Data Center.December 19, 1977.RetrievedJune 14,2021.
  130. ^"M 6.6 - Red Sea".United States Geological Survey.December 28, 1977.RetrievedJune 14,2021.
  131. ^"M 6.6 - Red Sea".United States Geological Survey.December 28, 1977.RetrievedJune 14,2021.
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