List of earthquakes in 1964

This is a list of earthquakes in 1964. 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. Alaska had the largest event of the year both in terms of magnitude and death toll. In March a great magnitude 9.2 earthquake struck the southern part of the state. This was the largest earthquake in United States' history and currently as of 2017 ranks as 3rd largest globally. The quake and subsequent tsunami resulted in 139 deaths in total. In spite of such a large event there were only 11 other magnitude 7.0 + events which is below normal. Japan, Taiwan and Mexico had earthquakes which resulted in a number of deaths. Indonesia and Papua New Guinea experienced high activity this year with a cluster of magnitude 6.0 + events hitting throughout the year.

Earthquakes in 1964
Approximate epicenters of the earthquakes in 1964
Strongest magnitude southern Alaska (Magnitude 9.2) March 28
Deadliest southern Alaska (Magnitude 9.2) March 28 139 deaths
Total fatalities389
Number by magnitude
9.0+1
8.0−8.90
7.0−7.911
6.0−6.974
5.0−5.93
← 1963
1965 →

Overall

By death toll
Rank Death toll Magnitude Location MMI Depth (km) Date
1 139 9.2 southern Alaska VIII (Severe) 25.0 March 28
2 107 6.5 Kaohsiung, Taiwan VI (Strong) 48.1 January 18
3 78 7.3 Guerrero, Mexico VII (Very strong) 93.3 July 6
4 26 7.6 off the west coast of Honshu, Japan VIII (Severe) 15.0 June 16
5 19 6.8 Bursa Province, Turkey VI (Strong) 27.4 October 6
  • Note: At least 10 casualties

By magnitude
Rank Magnitude Death toll Location MMI Depth (km) Date
1 9.2 139 southern Alaska VIII (Severe) 25.0 March 27
2 7.8 0 South Sandwich Islands I (Not felt) 125.0 May 26
3 7.6 26 off the west coast of Honshu, Japan VIII (Severe) 15.0 June 16
3 7.6 0 Vanuatu VII (Very strong) 130.0 July 9
3 7.6 0 south of South Island, New Zealand I (Not felt) 20.0 September 12
4 7.4 0 Minahassa Peninsula, Indonesia I (Not felt) 130.0 March 28
5 7.3 78 Guerrero, Mexico VII (Very strong) 93.3 July 6
6 7.1 0 southern Kuril Islands, Russia VIII (Severe) 71.3 June 23
6 7.1 0 Nicobar Islands, India V (Moderate) 70.0 September 15
7 7.0 0 near Banda Aceh, Sumatra, Indonesia I (Not felt) 60.0 April 2
7 7.0 0 eastern Sea of Japan V (Moderate) 20.0 May 7
7 7.0 0 west of Bougainville Island, Papua New Guinea I (Not felt) 388.3 August 13
  • Note: At least 7.0 magnitude

Notable events

January
January
Strongest magnitude6.9 Mw , Vanuatu
Deadliest6.5 Mw , Taiwan
107 deaths
Total fatalities115
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.97
5.0−5.91
  • A magnitude 6.2 earthquake struck the Kuril Islands, Russia on January 6 at a depth of 55.0 km.[1]
  • A magnitude 5.2 earthquake struck off the west coast of Sulawesi, Indonesia on January 8 at a depth of 90.0 km. 8 people were killed and 27 were injured. Some damage was caused.[2]
  • A magnitude 6.1 earthquake struck off the south coast of Hokkaido, Japan on January 10 at a depth of 55.0 km.[3]
  • A magnitude 6.5 earthquake struck Kaohsiung, Taiwan on January 18 at a depth of 48.1 km. The shock had a maximum intensity of VI (Strong).[4] 107 people were killed and 479 were injured. 3,000 homes were destroyed.[5]
  • A magnitude 6.9 earthquake struck Vanuatu on January 20 at a depth of 137.5 km. The shock had a maximum intensity of VI (Strong).[6]
  • A magnitude 6.2 earthquake struck Chin State, Myanmar on January 22 at a depth of 70.0 km.[7]
  • A magnitude 6.5 earthquake struck Arequipa Region, Peru on January 26 at a depth of 117.7 km.[8]
  • A magnitude 6.6 earthquake struck Badakhshan Province, Afghanistan on January 28 at a depth of 195.5 km.[9]

February
February
Strongest magnitude6.9 Mw , United States
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.94
5.0−5.91
  • A magnitude 6.0 earthquake struck off the east coast of Honshu, Japan on February 5 at a depth of 45.0 km.[10]
  • A magnitude 6.9 earthquake struck south of Alaska on February 6 at a depth of 20.0 km.[11]
  • A magnitude 5.4 earthquake struck Yunnan Province, China on February 13 at a depth of 15.0 km. Some damage was reported.[12]
  • A magnitude 6.3 earthquake struck East New Britain Province, Papua New Guinea on February 14 at a depth of 70.0 km.[13]
  • A magnitude 6.0 earthquake struck Magway Region, Myanmar on February 27 at a depth of 100.6 km.[14]

March
March
Strongest magnitude9.2 Mw , United States
Deadliest9.2 Mw , United States
139 deaths
Total fatalities139
Number by magnitude
9.0+1
8.0−8.90
7.0−7.91
6.0−6.99
5.0−5.90
  • A magnitude 6.6 earthquake struck the Strait of Gibraltar on March 15 at a depth of 25.0 km. The shock had a maximum intensity of V (Moderate).[15]
  • A magnitude 6.1 earthquake struck the Kuril Islands, Russia on March 16 at a depth of 142.2 km.[16]
  • A magnitude 6.8 earthquake struck the Banda Sea, Indonesia on March 21 at a depth of 359.1 km.[17]
  • A magnitude 9.2 earthquake struck southern Alaska on March 28 at a depth of 25.0 km. The shock had a maximum intensity of VIII (Severe).[18] This was the largest earthquake in the history of the United States. The earthquake itself resulted in 15 deaths. A tsunami was caused which resulted in 124 more people dying. Total property damage costs were $400 million (1964 rate).[19][20]
  • Many aftershocks occurred as a result of the Alaska earthquake. To prevent a lengthy clutter of events only aftershocks above M 6.5 will be included for the rest of the year.
  • A magnitude 6.5 aftershock struck northeast of Kodiak Island, Alaska on March 28 at a depth of 25.0 km.[21]
  • A magnitude 6.5 aftershock struck south of Kodiak Island, Alaska on March 28 at a depth of 15.0 km.[22]
  • A magnitude 7.4 earthquake struck Minahassa Peninsula, Indonesia on March 28 at a depth of 130.0 km.[23]
  • A magnitude 6.6 aftershock struck south of Kodiak Island, Alaska on March 28 at a depth of 25.0 km.[24]
  • A magnitude 6.5 aftershock struck south of Kodiak Island, Alaska on March 28 at a depth of 25.0 km.[25]
  • A magnitude 6.5 aftershock struck south of the Kenai Peninsula, Alaska on March 28 at a depth of 15.0 km. The shock had a maximum intensity of VI (Strong).[26]
  • A magnitude 6.7 aftershock struck south of the Kenai Peninsula, Alaska on March 30 at a depth of 18.6 km.[27]

April
April
Strongest magnitude7.0 Mw , Indonesia
Deadliest6.0 Mw , Croatia
3 deaths
Total fatalities3
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.97
5.0−5.90
  • A magnitude 7.0 earthquake struck eastern Banda Aceh, Sumatra, Indonesia on April 2 at a depth of 60.0 km.[28] Major damage was caused with many homes being destroyed.[29]
  • A magnitude 6.0 earthquake struck northern Sumatra, Indonesia on April 3 at a depth of 65.8 km.[30]
  • A magnitude 6.8 aftershock struck southwest of Kodiak Island, Alaska on April 4 at a depth of 18.4 km.[31]
  • A magnitude 6.5 aftershock struck southwest of Kodiak Island, Alaska on April 4 at a depth of 25.0 km.[32]
  • A magnitude 6.0 earthquake struck Brod-Posavina County, Croatia on April 13 at a depth of 15.0 km.[33] 3 people were killed and major damage was caused.[34]
  • A magnitude 6.4 earthquake struck the Aru Islands, Indonesia on April 23 at a depth of 15.0 km. The shock had a maximum intensity of VIII (Severe).[35]
  • A magnitude 6.8 earthquake struck Madang Province, Papua New Guinea on April 24 at a depth of 108.0 km. The shock had a maximum intensity of VI (Strong).[36]
  • A magnitude 6.1 earthquake struck the Sunda Strait, Indonesia on April 26 at a depth of 20.0 km.[37]

May
May
Strongest magnitude7.8 Mw , United Kingdom
Deadliest6.5 Mw , Tanzania
1 death
Total fatalities1
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.96
5.0−5.90
  • A magnitude 6.0 earthquake struck the Solomon Islands on May 6 at a depth of 50.0 km.[38]
  • A magnitude 6.5 earthquake struck Manyara Region, Tanzania on May 7 at a depth of 33.8 km. The shock had a maximum intensity of VI (Strong).[39] 1 person was killed and 19 were injured. Major damage was reported.[40]
  • A magnitude 7.0 earthquake struck the eastern Sea of Japan on May 7 at a depth of 20.0 km. The shock had a maximum intensity of V (Moderate).[41] Some damage was caused. 2 homes were destroyed.[42]
  • A magnitude 6.5 aftershock struck the eastern Sea of Japan on May 7 at a depth of 25.0 km.[43]
  • A magnitude 6.2 earthquake struck Manabi Province, Ecuador on May 19 at a depth of 35.0 km. The shock had a maximum intensity of VI (Strong).[44]
  • A magnitude 7.8 earthquake struck the South Sandwich Islands on May 26 at a depth of 125.0 km.[45]
  • A magnitude 6.2 earthquake struck off the east coast of Honshu, Japan on May 30 at a depth of 45.6 km.[46]
  • A magnitude 6.7 earthquake struck the Kuril Islands, Russia on May 31 at a depth of 48.6 km. The shock had a maximum intensity of VI (Strong).[47]

June
June
Strongest magnitude7.6 Mw , Japan
Deadliest7.6 Mw , Japan
26 deaths
Total fatalities34
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.95
5.0−5.91
  • A magnitude 6.0 earthquake struck off the north coast of Papua (province), Indonesia on June 11 at a depth of 20.0 km.[48]
  • A magnitude 5.8 earthquake struck Malatya Province, Turkey on June 14 at a depth of 10.0 km. The shock had a maximum intensity of VI (Strong).[49] 8 people died and some damage was caused.[50]
  • A magnitude 6.2 earthquake struck northern Sumatra, Indonesia on June 15 at a depth of 35.0 km.[51]
  • A magnitude 7.6 earthquake struck off the west coast of Honshu, Japan on June 16 at a depth of 15.0 km. The shock had a maximum intensity of VIII (Severe).[52] 26 people were killed and another 450 were injured. $80 million (1964 rate) in damage was caused. 2,250 homes were damaged or destroyed.[53]
  • A magnitude 6.5 aftershock struck off the west coast of Honshu, Japan on June 16 at a depth of 10.0 km.[54]
  • A magnitude 6.2 aftershock struck off the west coast of Honshu, Japan on June 16 at a depth of 15.0 km.[55]
  • A magnitude 7.1 earthquake struck the southern Kuril Islands, Russia on June 23 at a depth of 71.3 km. The shock had a maximum intensity of VIII (Severe).[56]
  • A magnitude 6.6 earthquake struck the Gulf of Tomini, Sulawesi, Indonesia on June 30 at a depth of 20.0 km. The shock had a maximum intensity of VI (Strong).[57]

July
July
Strongest magnitude7.6 Mw , Vanuatu
Deadliest7.3 Mw , Mexico
78 deaths
Total fatalities78
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.910
5.0−5.90

August
August
Strongest magnitude7.0 Mw , Papua New Guinea
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.92
5.0−5.90

September
September
Strongest magnitude7.6 Mw , New Zealand
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.94
5.0−5.90
  • A magnitude 4.7 earthquake struck Shanxi Province, China on September 1 at an unknown depth. 23 homes were destroyed.[74]
  • A magnitude 6.1 earthquake struck the Ceram Sea, Indonesia on September 4 at a depth of 35.0 km.[75]
  • A magnitude 6.2 earthquake struck west of Bougainville Island, Papua New Guinea on September 5 at a depth of 65.0 km.[76]
  • A magnitude 6.6 earthquake struck East Sepik Province, Papua New Guinea on September 12 at a depth of 108.8 km.[77]
  • A magnitude 7.6 earthquake struck south of South Island, New Zealand on September 12 at a depth of 20.0 km.[78]
  • A magnitude 7.1 earthquake struck the Nicobar Islands, India on September 15 at a depth of 70.0 km. The shock had a maximum intensity of V (Moderate).[79]
  • A magnitude 6.0 earthquake struck Tonga on September 29 at a depth of 20.0 km.[80]

October
October
Strongest magnitude6.9 Mw , Indonesia
Deadliest6.8 Mw , Turkey
19 deaths
Total fatalities19
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.96
5.0−5.90

November
November
Strongest magnitude6.8 Mw , Papua New Guinea 2 events
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.910
5.0−5.90
  • A magnitude 6.0 earthquake struck Loreto Region, Peru on November 2 at a depth of 117.1 km.[88]
  • A magnitude 6.1 earthquake struck northern Sumatra, Indonesia on November 7 at a depth of 100.0 km.[89]
  • A magnitude 6.8 earthquake struck East New Britain Province, Papua New Guinea on November 17 at a depth of 55.0 km. The shock had a maximum intensity of VIII (Severe).[90] Some damage was reported.[91]
  • A magnitude 6.1 earthquake struck off the east coast of mainland Papua New Guinea on November 18 at a depth of 55.0 km.[92]
  • A magnitude 6.0 earthquake struck Tonga on November 18 at a depth of 10.0 km.[93]
  • A magnitude 6.8 earthquake struck East New Britain Province, Papua New Guinea on November 19 at a depth of 35.0 km. The shock had a maximum intensity of VII (Very strong). This event came two days after another event of the same magnitude and is an example of a doublet earthquake.[94]
  • A magnitude 6.3 earthquake struck east of Luzon, Philippines on November 24 at a depth of 35.0 km.[95]
  • A magnitude 6.0 earthquake struck Southeast Sulawesi, Indonesia on November 25 at a depth of 617.5 km.[96]
  • A magnitude 6.2 earthquake struck offshore northeast Taiwan on November 26 at a depth of 15.0 km.[97]
  • A magnitude 6.0 earthquake struck Sado Island, Japan on November 27 at a depth of 15.0 km. The shock had a maximum intensity of V (Moderate).[98]

December
December
Strongest magnitude6.7 Mw , Fiji
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.94
5.0−5.90

References
  1. "M 6.2 - Kuril Islands". United States Geological Survey. January 6, 1964. Retrieved April 9, 2017.
  2. "Significant Earthquake: INDONESIA: SULAWESI: PINRANG". National Geophysical Data Center. January 8, 1964. Retrieved April 9, 2017.
  3. "M 6.1 - Hokkaido, Japan region". United States Geological Survey. January 10, 1964. Retrieved April 9, 2017.
  4. "M 6.5 - Taiwan". United States Geological Survey. January 18, 1964. Retrieved April 9, 2017.
  5. "Significant Earthquake: TAIWAN: TAINAN". National Geophysical Data Center. January 18, 1964. Retrieved April 9, 2017.
  6. "M 6.9 - Vanuatu". United States Geological Survey. January 20, 1964. Retrieved April 9, 2017.
  7. "M 6.2 - Myanmar-India border region". United States Geological Survey. January 22, 1964. Retrieved April 9, 2017.
  8. "M 6.5 - southern Peru". United States Geological Survey. January 26, 1964. Retrieved April 9, 2017.
  9. "M 6.6 - Hindu Kush region, Afghanistan". United States Geological Survey. January 28, 1964. Retrieved April 9, 2017.
  10. "M 6.0 - near the east coast of Honshu, Japan". United States Geological Survey. February 5, 1964. Retrieved April 9, 2017.
  11. "M 6.9 - south of Alaska". United States Geological Survey. February 6, 1964. Retrieved April 9, 2017.
  12. "Significant Earthquake: CHINA: YUNNAN PROVINCE". National Geophysical Data Center. February 13, 1964. Retrieved April 9, 2017.
  13. "M 6.3 - New Britain region, Papua New Guinea". United States Geological Survey. February 14, 1964. Retrieved April 9, 2017.
  14. "M 6.0 - Myanmar". United States Geological Survey. February 27, 1964. Retrieved April 9, 2017.
  15. "M 6.6 - Strait of Gibraltar". United States Geological Survey. March 15, 1964. Retrieved April 9, 2017.
  16. "M 6.1 - Kuril Islands". United States Geological Survey. March 16, 1964. Retrieved April 9, 2017.
  17. "M 6.8 - Banda Sea". United States Geological Survey. March 21, 1964. Retrieved April 9, 2017.
  18. "M 9.2 - Southern Alaska". United States Geological Survey. March 28, 1964. Retrieved April 9, 2017.
  19. "Significant Earthquake: ALASKA". National Geophysical Data Center. March 28, 1964. Retrieved April 9, 2017.
  20. "Tsunami Event: PRINCE WILLIAM SOUND, AK". National Geophysical Data Center. March 28, 1964. Retrieved April 9, 2017.
  21. "M 6.5 - Kodiak Island region, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  22. "M 6.5 - Kodiak Island region, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  23. "M 7.4 - Minahasa, Sulawesi, Indonesia". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  24. "M 6.6 - Kodiak Island region, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  25. "M 6.6 - Kodiak Island region, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  26. "M 6.5 - Kenai Peninsula, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  27. "M 6.7 - Kodiak Island region, Alaska". United States Geological Survey. March 28, 1964. Retrieved April 13, 2017.
  28. "M 7.0 - northern Sumatra, Indonesia". United States Geological Survey. April 2, 1964. Retrieved April 14, 2017.
  29. "Significant Earthquake: INDONESIA: BANDA ACEH". National Geophysical Data Center. April 2, 1964. Retrieved April 14, 2017.
  30. "M 6.0 - northern Sumatra, Indonesia". United States Geological Survey. April 3, 1964. Retrieved April 14, 2017.
  31. "M 6.8 - Kodiak Island region, Alaska". United States Geological Survey. April 4, 1964. Retrieved April 14, 2017.
  32. "M 6.5 - Kodiak Island region, Alaska". United States Geological Survey. April 4, 1964. Retrieved April 14, 2017.
  33. "M 6.0 - Croatia". United States Geological Survey. April 13, 1964. Retrieved April 14, 2017.
  34. "Significant Earthquake: BALKANS NW: CROATIA". National Geophysical Data Center. April 13, 1964. Retrieved April 14, 2017.
  35. "M 6.4 - Kepulauan Kai, Indonesia". United States Geological Survey. April 23, 1964. Retrieved April 14, 2017.
  36. "M 6.8 - New Guinea, Papua New Guinea". United States Geological Survey. April 24, 1964. Retrieved April 14, 2017.
  37. "M 6.1 - Sunda Strait, Indonesia". United States Geological Survey. April 26, 1964. Retrieved April 14, 2017.
  38. "M 6.0 - Solomon Islands". United States Geological Survey. May 6, 1964. Retrieved April 14, 2017.
  39. "M 6.5 - Tanzania". United States Geological Survey. May 7, 1964. Retrieved April 14, 2017.
  40. "Significant Earthquake: TANZANIA". National Geophysical Data Center. May 7, 1964. Retrieved April 14, 2017.
  41. "M 7.0 - eastern Sea of Japan". United States Geological Survey. May 7, 1964. Retrieved April 14, 2017.
  42. "Significant Earthquake: JAPAN: NW. HONSHU ISLAND". National Geophysical Data Center. May 7, 1964. Retrieved April 14, 2017.
  43. "M 6.5 - near the west coast of Honshu, Japan". United States Geological Survey. May 7, 1964. Retrieved April 14, 2017.
  44. "M 6.2 - near the coast of Ecuador". United States Geological Survey. May 19, 1964. Retrieved April 14, 2017.
  45. "M 7.8 - South Sandwich Islands region". United States Geological Survey. May 26, 1964. Retrieved April 14, 2017.
  46. "M 6.2 - near the east coast of Honshu, Japan". United States Geological Survey. May 30, 1964. Retrieved April 14, 2017.
  47. "M 6.7 - Kuril Islands". United States Geological Survey. May 31, 1964. Retrieved April 14, 2017.
  48. "M 6.0 - near the north coast of Papua, Indonesia". United States Geological Survey. June 11, 1964. Retrieved April 14, 2017.
  49. "M 5.8 - eastern Turkey". United States Geological Survey. June 14, 1964. Retrieved April 14, 2017.
  50. "Significant Earthquake: TURKEY: MALATYA,ADIYAMAN". National Geophysical Data Center. June 14, 1964. Retrieved April 14, 2017.
  51. "M 6.2 - northern Sumatra, Indonesia". United States Geological Survey. June 15, 1964. Retrieved April 14, 2017.
  52. "M 7.6 - near the west coast of Honshu, Japan". United States Geological Survey. June 16, 1964. Retrieved April 14, 2017.
  53. "Significant Earthquake: JAPAN: HONSHU: W COAST". National Geophysical Data Center. June 16, 1964. Retrieved April 14, 2017.
  54. "M 6.5 - near the west coast of Honshu, Japan". United States Geological Survey. June 16, 1964. Retrieved April 15, 2017.
  55. "M 6.2 - near the west coast of Honshu, Japan". United States Geological Survey. June 16, 1964. Retrieved April 15, 2017.
  56. "M 7.1 - Kuril Islands". United States Geological Survey. June 23, 1964. Retrieved April 15, 2017.
  57. "M 6.6 - Sulawesi, Indonesia". United States Geological Survey. June 30, 1964. Retrieved April 15, 2017.
  58. "M 6.3 - Gulf of California". United States Geological Survey. July 5, 1964. Retrieved April 15, 2017.
  59. "M 6.5 - Kuril Islands". United States Geological Survey. July 5, 1964. Retrieved April 15, 2017.
  60. "M 6.5 - Gulf of California". United States Geological Survey. July 6, 1964. Retrieved April 15, 2017.
  61. "M 7.3 - Guerrero, Mexico". United States Geological Survey. July 6, 1964. Retrieved April 15, 2017.
  62. "Significant Earthquake: MEXICO: GUERRERO". National Geophysical Data Center. July 6, 1964. Retrieved April 15, 2017.
  63. "M 6.9 - Banda Sea". United States Geological Survey. July 8, 1964. Retrieved April 15, 2017.
  64. "M 6.5 - Tonga region". United States Geological Survey. July 9, 1964. Retrieved April 15, 2017.
  65. "M 7.6 - Vanuatu". United States Geological Survey. July 9, 1964. Retrieved April 15, 2017.
  66. "M 6.0 - near the west coast of Honshu, Japan". United States Geological Survey. July 12, 1964. Retrieved April 15, 2017.
  67. "M 6.2 - Greece". United States Geological Survey. July 17, 1964. Retrieved April 15, 2017.
  68. "M 6.8 - Kuril Islands". United States Geological Survey. July 24, 1964. Retrieved April 15, 2017.
  69. "M 6.5 - Atacama, Chile". United States Geological Survey. July 25, 1964. Retrieved April 15, 2017.
  70. "M 6.5 - New Britain region, Papua New Guinea". United States Geological Survey. July 31, 1964. Retrieved April 15, 2017.
  71. "M 7.0 - Bougainville region, Papua New Guinea". United States Geological Survey. August 13, 1964. Retrieved April 15, 2017.
  72. "M 6.7 - offshore Atacama, Chile". United States Geological Survey. August 18, 1964. Retrieved April 15, 2017.
  73. "M 6.2 - New Britain region, Papua New Guinea". United States Geological Survey. August 23, 1964. Retrieved April 16, 2017.
  74. "Significant Earthquake: CHINA: SHANXI PROVINCE". National Geophysical Data Center. September 1, 1964. Retrieved April 16, 2017.
  75. "M 6.1 - Ceram Sea, Indonesia". United States Geological Survey. September 4, 1964. Retrieved April 16, 2017.
  76. "M 6.2 - Bougainville region, Papua New Guinea". United States Geological Survey. September 5, 1964. Retrieved April 16, 2017.
  77. "M 6.6 - near the north coast of New Guinea, Papua New Guinea". United States Geological Survey. September 12, 1964. Retrieved April 16, 2017.
  78. "M 7.6 - off the west coast of the South Island of New Zealand". United States Geological Survey. September 12, 1964. Retrieved April 16, 2017.
  79. "M 7.1 - Nicobar Islands, India region". United States Geological Survey. September 15, 1964. Retrieved April 16, 2017.
  80. "M 6.0 - Tonga". United States Geological Survey. September 29, 1964. Retrieved April 16, 2017.
  81. "M 6.1 - Solomon Islands". United States Geological Survey. October 2, 1964. Retrieved April 17, 2017.
  82. "M 6.8 - western Turkey". United States Geological Survey. October 6, 1964. Retrieved April 17, 2017.
  83. "Significant Earthquake: TURKEY: MANYAS, BURSA, BALIKESIR". National Geophysical Data Center. October 6, 1964. Retrieved April 17, 2017.
  84. "M 6.2 - Sulawesi, Indonesia". United States Geological Survey. October 11, 1964. Retrieved April 17, 2017.
  85. "M 6.5 - Kuril Islands". United States Geological Survey. October 16, 1964. Retrieved April 17, 2017.
  86. "M 6.9 - Banda Sea". United States Geological Survey. October 18, 1964. Retrieved April 17, 2017.
  87. "M 6.8 - eastern Xizang-India border region". United States Geological Survey. October 21, 1964. Retrieved April 17, 2017.
  88. "M 6.0 - northern Peru". United States Geological Survey. November 2, 1964. Retrieved April 17, 2017.
  89. "M 6.1 - northern Sumatra, Indonesia". United States Geological Survey. November 7, 1964. Retrieved April 17, 2017.
  90. "M 6.8 - New Britain region, Papua New Guinea". United States Geological Survey. November 17, 1964. Retrieved April 17, 2017.
  91. "Significant Earthquake: PAPUA NEW GUINEA: NEW BRITAIN". National Geophysical Data Center. November 17, 1964. Retrieved April 17, 2017.
  92. "M 6.1 - New Britain region, Papua New Guinea". United States Geological Survey. November 18, 1964. Retrieved April 17, 2017.
  93. "M 6.0 - Tonga". United States Geological Survey. November 18, 1964. Retrieved April 17, 2017.
  94. "M 6.8 - New Britain region, Papua New Guinea". United States Geological Survey. November 19, 1964. Retrieved April 17, 2017.
  95. "M 6.3 - Catanduanes, Philippines". United States Geological Survey. November 24, 1964. Retrieved April 17, 2017.
  96. "M 6.0 - Sulawesi, Indonesia". United States Geological Survey. November 25, 1964. Retrieved April 17, 2017.
  97. "M 6.2 - Taiwan". United States Geological Survey. November 26, 1964. Retrieved April 17, 2017.
  98. "M 6.0 - near the west coast of Honshu, Japan". United States Geological Survey. November 27, 1964. Retrieved April 17, 2017.
  99. "M 6.1 - New Britain region, Papua New Guinea". United States Geological Survey. December 7, 1964. Retrieved April 17, 2017.
  100. "M 6.3 - Santiago Del Estero, Argentina". United States Geological Survey. December 9, 1964. Retrieved April 17, 2017.
  101. "M 6.3 - near the west coast of Honshu, Japan". United States Geological Survey. December 10, 1964. Retrieved April 17, 2017.
  102. "M 6.7 - south of the Fiji Islands". United States Geological Survey. December 28, 1964. Retrieved April 17, 2017.
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