List of earthquakes in 1963

This is a list of earthquakes in 1963. 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. A fairly active year with 17 events reaching above magnitude 7.0. The intensity of the events was stronger with 2 measuring above magnitude 8. Both events came within 3 weeks of each other. The strongest of 1963 was in the Kuril Islands, Russia and was magnitude 8.5. Macedonia had by far the most of the 1,488 fatalities. A fairly modest magnitude 6.0 event in July resulted in 1,070 deaths and substantial destruction. Libya had one of the worst events in its history in February. Again a fairly moderate magnitude 5.6 ended up with 300 deaths in the area.

Earthquakes in 1963
Approximate epicenters of the earthquakes in 1963
Strongest magnitude Soviet Union, Kuril Islands, Russia (Magnitude 8.5) October 13
Deadliest Yugoslavia, Skopje, Republic of North Macedonia (Magnitude 6.0) July 26 1,070 deaths
Total fatalities1,488
Number by magnitude
9.0+0
8.0−8.92
7.0−7.915
6.0−6.974
5.0−5.94
← 1962
1964 →

Overall

By death toll
Rank Death toll Magnitude Location MMI Depth (km) Date
1 1,070 6.0  Yugoslavia, Skopje, Republic of North Macedonia X (Extreme) 15.0 July 26
2 300 5.6  Kingdom of Libya, Marj District VI (Strong) 25.0 February 21
3 100 6.0  Iran, Kermanshah Province VII (Very strong) 20.0 March 24
4 15 7.2  Taiwan, off the east coast of Taiwan VII (Very strong) 30.0 February 13
  • Note: At least 10 casualties

By magnitude
Rank Magnitude Death toll Location MMI Depth (km) Date
1 8.5 0  Soviet Union, Kuril Islands, Russia IX (Violent) 35.0 October 13
2 8.1 0  Indonesia, Banda Sea VIII (Severe) 65.0 November 4
3 7.8 0  Soviet Union, Kuril Islands, Russia VI (Strong) 28.2 October 20
4 7.7 0  Peru, Puno Region IV (Light) 550.0 August 15
= 5 7.6 0  Brazil, Acre (state) I (Not felt) 590.7 November 9
= 5 7.6 0  United Kingdom, south of Fiji VIII (Severe) 55.0 December 18
6 7.5 0  Australia, Morobe Province, Papua New Guinea VI (Strong) 186.6 February 26
7 7.4 0  United Kingdom, Santa Cruz Islands, Solomon Islands IX (Violent) 35.0 September 15
8 7.3 0  New Zealand, Kermadec Islands I (Not felt) 10.0 March 26
= 9 7.2 15  Taiwan, off the east coast of Taiwan VII (Very strong) 30.0 February 13
= 9 7.2 0  Soviet Union, east of the Kuril Islands, Russia I (Not felt) 15.0 March 16
= 9 7.2 0  United Kingdom Santa Cruz Islands, Solomon Islands VIII (Severe) 45.0 September 17
= 10 7.1 0  Indonesia, south of Halmahera VII (Very strong) 30.0 April 16
= 10 7.1 0  Indonesia, south of Halmahera I (Not felt) 30.0 April 16
= 11 7.0 0  United Kingdom Fiji III (Weak) 570.0 August 25
= 11 7.0 0  Soviet Union, Kuril Islands, Russia V (Moderate) 37.5 October 12
= 11 7.0 0  Indonesia, Java Sea I (Not felt) 661.5 December 15
  • Note: At least 7.0 magnitude

Notable events

January
January
Strongest magnitude6.7 Mw  Japan
Total fatalities0
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

1[1] United States, south of Alaska Peninsula6.474.8
2[2][3] Indonesia, Papua (province)6.025.0VI
5[4][5] Indonesia, West Timor6.035.0VI
24[6][7] Philippines, off the east coast of Mindanao6.050.0IV
28[8][9] Australia, west of New Hanover Island, Papua New Guinea6.535.0VI
28[10][11] United States, south of Alaska Peninsula6.635.0V
31[12] Japan, northwest of Ryukyu Islands6.750.0

February
February
Strongest magnitude7.5 Mw  Australia
Deadliest5.6 Mw  Kingdom of Libya
300 deaths
Total fatalities315
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.96
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

5[13][14] Chile, Araucania Region6.425.0VII
6[15][16] Chile, Araucania Region6.025.0VI Aftershock.
13[17][18][19] Taiwan, off the east coast of7.230.0VII The 1963 Su-ao earthquake left 15 people were killed and another 18 were injured. Some homes were destroyed.1518
13[20][21] United Kingdom, Solomon Islands6.420.0VI
14[22][23] Indonesia, Barat Daya Islands6.6220.0IV
14[24][25] Australia, Madang Province, Papua New Guinea6.164.7VI
21[26][27][28] Kingdom of Libya, Marj District5.625.0VI 300 people were killed and a further 375 were injured in the 1963 Marj earthquake. Many homes were damaged or destroyed. Costs reached $5 million (1963 rate).300375
26[29][30] Australia, Morobe Province, Papua New Guinea7.5186.6VI
27[31][32] Australia, West New Britain Province, Papua New Guinea6.735.0VI

March
March
Strongest magnitude7.3 Mw  New Zealand
Deadliest6.0 Mw  Iran
100 deaths
Total fatalities100
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.910
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[33][34] Taiwan, off the east coast6.320.0VI
4[35][36] Peru, off the north coast6.115.0V
10[37][38] Taiwan, off the east coast6.115.0V Aftershock.
16[39] Soviet Union, east of the Kuril Islands, Russia7.215.0
24[40][41] Indonesia, northeast of Sumba6.320.0VI
24[42][43][44] Iran, Kermanshah Province6.020.0VII 100 people were killed and major damage was caused.100
26[45] New Zealand, Kermadec Islands7.310.0
26[46] New Zealand, Kermadec Islands6.515.0 Aftershock.
26[47][48] Japan, off the west coast of Honshu6.315.0VI
28[49][50] Iceland, off the north coast of6.910.0VII
31[51] New Zealand, Kermadec Islands6.635.0 Aftershock.
31[52][53] Australia, West New Britain Province, Papua New Guinea6.135.0V

April
April
Strongest magnitude7.1 Mw  Indonesia two events
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.97
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

7[54][55] Indonesia, off the west coast of Sumatra6.159.4V
10[56][57] Indonesia, Timor6.070.0V
13[58][59] Peru, San Martin Region6.5119.8V
13[60][61] Indonesia, Papua (province)6.146.9VI
16[62][63] Indonesia, south of Halmahera7.130.0 rowspan="2"| Doublet earthquake.
16[64][65] Indonesia, south of Halmahera7.130.0VI
19[66][67][68] China, southern Qinghai Province6.720.0VIII A few homes were damaged or destroyed.
23[69][70][71] China, Yunnan Province5.830.0VII Some homes were destroyed.
27[72][73] Indonesia, Halmahera6.028.8VI Aftershock.
30[74][75] Indonesia, southeast of Halmahera6.360.0V Aftershock.

May
May
Strongest magnitude6.9 Mw  Soviet Union
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.99
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[76][77] New Hebrides, Vanuatu6.8142.9VI
8[78][79] Japan, off the east coast of Honshu6.246.5V
9[80][81][82] Nicaragua, Leon Department5.650.0V Some damage was caused.
10[83][84] Ecuador, Morona-Santiago Province6.620.0VI
12[85][86] United States, Kodiak Island, Alaska6.036.6IV
18[87][88] Argentina, San Juan Province, Argentina6.015.0VII
19[89][90] Chile, Aisen Region6.415.0VII
20[91] New Zealand, Kermadec Islands6.865.0
22[92] Soviet Union, Kuril Islands, Russia6.930.0
26[93][94] Soviet Union, Kamchatka, Russia6.130.0VI

June
June
Strongest magnitude6.9 Mw  Soviet Union
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.96
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[95][96] Indonesia, south of Halmahera6.130.0VI
7[97] Tonga6.020.0
19[98][99] Indonesia, Talaud Islands6.165.0V
21[100][101][102] China, Heilongjiang Province5.935.0VII Some damage was reported.
24[103][104] United States, Cook Inlet, Alaska6.345.0VII
26[105] China, Xinjiang Province6.095.0
28[106] Soviet Union, Kuril Islands, Russia6.925.0

July
July
Strongest magnitude6.8 Mw  United Kingdom
Deadliest6.0 Mw  Yugoslavia, Republic of North Macedonia
1,070 deaths
Total fatalities1,070
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.98
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

4[107] United Kingdom, south of Fiji6.8181.3
9[108][109] Costa Rica, off the south coast6.035.0VI
16[110][111] Soviet Union, Abkhazia, Georgia (country)6.430.0VII
19[112]Ligurian Sea6.315.0
19[113]Ligurian Sea6.115.0 This came a minute after the last event.
26[114][115][116] Yugoslavia, Skopje, Republic of North Macedonia6.015.0X This event struck directly under Skopje. 1,070 people were killed and 3,300 were injured. Extensive damage was caused with costs being $1 billion (1963 rate).1,0703,300
29[117] New Zealand, Kermadec Islands6.625.0 rowspan="2"| Doublet earthquake.
30[118] New Zealand, Kermadec Islands6.525.0

August
August
Strongest magnitude7.7 Mw  Peru
Deadliest6.5 Mw  China
1 death
Total fatalities1
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

8[119][120] Australia, East New Britain Province, Papua New Guinea6.050.0V
15[121][122] Japan, off the east coast of Honshu6.535.0IV
15[123][124][125] Peru, Puno Region7.7550.0IV Some damage was reported.
17[126][127] Japan, south of Kyushu6.435.0VI
25[128][129] United Kingdom, Fiji7.0570.0III
29[130][131][132] China, southern Xinjiang Province6.515.0VII 1 person died and 40 homes were destroyed.1
29[133] Peru, off the north coast6.625.0

September
September
Strongest magnitude7.4 Mw  United Kingdom
Deadliest2 events caused 1 death each.
Total fatalities2
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

9[134][135] Australia, New Ireland (island), Papua New Guinea6.215.0VII
15[136][137] United Kingdom, Santa Cruz Islands, Solomon Islands7.435.0IX A large event followed a couple of days later. This is an example of a doublet earthquake.
17[138][139] Peru, off the central coast6.068.0VI Foreshock.
17[140][141] United Kingdom, Santa Cruz Islands, Solomon Islands7.245.0VIII
18[142][143][144] Turkey, eastern Sea of Marmara6.230.0VI 1 person was killed and at least 51 were injured. 7 homes were destroyed and 163 were damaged.151+
24[145][146][147] Peru, off the central coast6.964.1VII 1 person was killed and some damage was caused.1

October
October
Strongest magnitude8.5 Mw  Soviet Union
Total fatalities0
Number by magnitude
8.0−8.91
7.0−7.92
6.0−6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

3[148][149] Japan, off the east coast of Kyushu6.235.0V
12[150][151] Soviet Union, Kuril Islands, Russia7.037.5V Foreshock.
13[152][153][154] Soviet Union, Kuril Islands, Russia8.535.0IX The 1963 Kuril Islands earthquake caused some property damage. A tsunami was observed.
15[155][156] Indonesia, Seram6.025.0VI
16[157][158] Soviet Union, Gorno-Badakhshan Autonomous Region, Tajikistan6.535.0VI
20[159][160] Soviet Union, Kuril Islands, Russia7.828.2VI Aftershock.
31[161] Tonga6.316.5

November
November
Strongest magnitude8.1 Mw  Indonesia
Total fatalities0
Number by magnitude
8.0−8.91
7.0−7.91
6.0−6.96
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

3[162][163] Peru, Amazonas Region6.225.0VI
4[164][165][166] Indonesia, Banda Sea8.165.0VIII Some damage was caused.
6[167][168] Indonesia, Papua (province)6.325.0VI
9[169] Brazil, Acre (state)7.6590.7
10[170] Brazil, Acre (state)6.3593.9 Aftershock.
10[171] Soviet Union, Kuril Islands, Russia6.521.2 Aftershock.
18[172][173] Mexico, Gulf of California6.415.0VII
23[174] Mexico, Gulf of California6.115.0 Aftershock.

December
December
Strongest magnitude7.6 Mw  United Kingdom
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.92
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

3[175][176] Chile, Antofagasta Region6.335.0VI
15[177] Indonesia, Java Sea7.0661.5
16[178][179][180] Indonesia, Sunda Strait6.545.0VI Some homes were damaged.
18[181][182] United Kingdom, south of Fiji7.655.0VIII

References
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  92. "M 6.9 - Kuril Islands". United States Geological Survey. May 22, 1963. Retrieved April 1, 2017.
  93. "M 6.1 - Kamchatka Peninsula, Russia". United States Geological Survey. May 26, 1963. Retrieved April 1, 2017.
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  98. "M 6.1 - Kepulauan Talaud, Indonesia". United States Geological Survey. June 19, 1963. Retrieved April 2, 2017.
  99. "M 6.1 - Kepulauan Talaud, Indonesia". United States Geological Survey. June 19, 1963. Retrieved January 30, 2021.
  100. "M 5.9 - eastern Russia-northeastern China border region". United States Geological Survey. June 21, 1963. Retrieved April 2, 2017.
  101. "M 5.9 - eastern Russia-northeastern China border region". United States Geological Survey. June 21, 1963. Retrieved January 30, 2021.
  102. "Significant Earthquake: CHINA: HEILONGJIANG PROVINCE". National Geophysical Data Center. June 21, 1963. Retrieved January 30, 2021.
  103. "M 6.3 - Southern Alaska". United States Geological Survey. June 24, 1963. Retrieved April 2, 2017.
  104. "M 6.3 - Southern Alaska". United States Geological Survey. June 24, 1963. Retrieved January 30, 2021.
  105. "M 6.0 - Kashmir-Xinjiang border region". United States Geological Survey. June 26, 1963. Retrieved April 2, 2017.
  106. "M 6.9 - Kuril Islands". United States Geological Survey. June 28, 1963. Retrieved April 2, 2017.
  107. "M 6.8 - south of the Fiji Islands". United States Geological Survey. July 4, 1963. Retrieved April 2, 2017.
  108. "M 6.0 - Costa Rica". United States Geological Survey. July 9, 1963. Retrieved April 2, 2017.
  109. "M 6.0 - Costa Rica". United States Geological Survey. July 9, 1963. Retrieved January 30, 2021.
  110. "M 6.4 - Georgia (Sak'art'velo)". United States Geological Survey. July 16, 1963. Retrieved April 2, 2017.
  111. "M 6.4 - Georgia (Sak'art'velo)". United States Geological Survey. July 16, 1963. Retrieved January 30, 2021.
  112. "M 6.3 - Ligurian Sea". United States Geological Survey. July 19, 1963. Retrieved April 2, 2017.
  113. "M 6.1 - Ligurian Sea". United States Geological Survey. July 19, 1963. Retrieved April 2, 2017.
  114. "M 6.0 - Macedonia". United States Geological Survey. July 26, 1963. Retrieved April 2, 2017.
  115. "M 6.0 - Macedonia". United States Geological Survey. July 26, 1963. Retrieved January 30, 2021.
  116. "Significant Earthquake: BALKANS NW: MACEDONIA: SKOPJE". National Geophysical Data Center. July 26, 1963. Retrieved January 30, 2021.
  117. "M 6.6 - Kermadec Islands region". United States Geological Survey. July 29, 1963. Retrieved April 2, 2017.
  118. "M 6.5 - Kermadec Islands region". United States Geological Survey. July 30, 1963. Retrieved April 2, 2017.
  119. "M 6.0 - New Britain region, Papua New Guinea". United States Geological Survey. August 8, 1963. Retrieved April 2, 2017.
  120. "M 6.0 - New Britain region, Papua New Guinea". United States Geological Survey. August 8, 1963. Retrieved January 31, 2021.
  121. "M 6.5 - near the east coast of Honshu, Japan". United States Geological Survey. August 15, 1963. Retrieved April 2, 2017.
  122. "M 6.5 - near the east coast of Honshu, Japan". United States Geological Survey. August 15, 1963. Retrieved January 31, 2021.
  123. "M 7.7 - southern Peru". United States Geological Survey. August 15, 1963. Retrieved April 2, 2017.
  124. "M 7.7 - southern Peru". United States Geological Survey. August 15, 1963. Retrieved January 31, 2021.
  125. "Significant Earthquake: PERU: S". National Geophysical Data Center. August 15, 1963. Retrieved January 31, 2021.
  126. "M 6.4 - Kyushu, Japan". United States Geological Survey. August 17, 1963. Retrieved April 7, 2017.
  127. "M 6.4 - Kyushu, Japan". United States Geological Survey. August 17, 1963. Retrieved January 31, 2021.
  128. "M 7.0 - Fiji region". United States Geological Survey. August 25, 1963. Retrieved April 7, 2017.
  129. "M 7.0 - Fiji region". United States Geological Survey. August 25, 1963. Retrieved January 31, 2021.
  130. "M 6.5 - southern Xinjiang, China". United States Geological Survey. August 29, 1963. Retrieved April 7, 2017.
  131. "M 6.5 - southern Xinjiang, China". United States Geological Survey. August 29, 1963. Retrieved January 31, 2021.
  132. "Significant Earthquake: CHINA: XINJIANG". National Geophysical Data Center. August 29, 1963. Retrieved January 31, 2021.
  133. "M 6.6 - off the coast of northern Peru". United States Geological Survey. August 29, 1963. Retrieved April 7, 2017.
  134. "M 6.2 - New Britain region, Papua New Guinea". United States Geological Survey. September 9, 1963. Retrieved April 7, 2017.
  135. "M 6.2 - New Britain region, Papua New Guinea". United States Geological Survey. September 9, 1963. Retrieved January 31, 2021.
  136. "M 7.4 - Santa Cruz Islands". United States Geological Survey. September 15, 1963. Retrieved April 7, 2017.
  137. "M 7.4 - Santa Cruz Islands". United States Geological Survey. September 15, 1963. Retrieved January 31, 2021.
  138. "M 6.0 - near the coast of central Peru". United States Geological Survey. September 17, 1963. Retrieved April 7, 2017.
  139. "M 6.0 - near the coast of central Peru". United States Geological Survey. September 17, 1963. Retrieved January 31, 2021.
  140. "M 7.2 - Santa Cruz Islands". United States Geological Survey. September 17, 1963. Retrieved April 7, 2017.
  141. "M 7.2 - Santa Cruz Islands". United States Geological Survey. September 17, 1963. Retrieved January 31, 2021.
  142. "M 6.2 - western Turkey". United States Geological Survey. September 18, 1963. Retrieved April 7, 2017.
  143. "M 6.2 - western Turkey". United States Geological Survey. September 18, 1963. Retrieved January 31, 2021.
  144. "Significant Earthquake: TURKEY: YALOVA: CINARCIK". National Geophysical Data Center. September 18, 1963. Retrieved January 31, 2021.
  145. "M 6.9 - near the coast of central Peru". United States Geological Survey. September 24, 1963. Retrieved April 7, 2017.
  146. "M 6.9 - near the coast of central Peru". United States Geological Survey. September 24, 1963. Retrieved January 31, 2021.
  147. "Significant Earthquake: PERU: HUAYLLACAYAN,CAJACAY,MALYAS,MALVAS,HUARAZ". National Geophysical Data Center. September 24, 1963. Retrieved January 31, 2021.
  148. "M 6.2 - Kyushu, Japan". United States Geological Survey. October 3, 1963. Retrieved April 7, 2017.
  149. "M 6.2 - Kyushu, Japan". United States Geological Survey. October 3, 1963. Retrieved February 5, 2021.
  150. "M 7.0 - Kuril Islands". United States Geological Survey. October 12, 1963. Retrieved April 7, 2017.
  151. "M 7.0 - Kuril Islands". United States Geological Survey. October 12, 1963. Retrieved February 5, 2021.
  152. "M 8.5 - Kuril Islands". United States Geological Survey. October 13, 1963. Retrieved April 7, 2017.
  153. "M 8.5 - Kuril Islands". United States Geological Survey. October 13, 1963. Retrieved February 5, 2021.
  154. "Significant Earthquake: RUSSIA: KURIL ISLANDS". National Geophysical Data Center. October 13, 1963. Retrieved February 5, 2021.
  155. "M 6.0 - Seram, Indonesia". United States Geological Survey. October 15, 1963. Retrieved April 7, 2017.
  156. "M 6.0 - Seram, Indonesia". United States Geological Survey. October 15, 1963. Retrieved February 5, 2021.
  157. "M 6.5 - Tajikistan". United States Geological Survey. October 16, 1963. Retrieved April 7, 2017.
  158. "M 6.5 - Tajikistan". United States Geological Survey. October 16, 1963. Retrieved February 5, 2021.
  159. "M 7.8 - east of the Kuril Islands". United States Geological Survey. October 20, 1963. Retrieved April 7, 2017.
  160. "M 7.8 - east of the Kuril Islands". United States Geological Survey. October 20, 1963. Retrieved February 5, 2021.
  161. "M 6.3 - Tonga region". United States Geological Survey. October 31, 1963. Retrieved April 8, 2017.
  162. "M 6.2 - Peru-Ecuador border region". United States Geological Survey. November 3, 1963. Retrieved April 8, 2017.
  163. "M 6.2 - Peru-Ecuador border region". United States Geological Survey. November 3, 1963. Retrieved February 5, 2021.
  164. "M 8.1 - Banda Sea". United States Geological Survey. November 4, 1963. Retrieved April 8, 2017.
  165. "M 8.1 - Banda Sea". United States Geological Survey. November 4, 1963. Retrieved February 5, 2021.
  166. "Significant Earthquake: INDONESIA: BANDA SEA". National Geophysical Data Center. November 4, 1963. Retrieved February 5, 2021.
  167. "M 6.3 - Papua, Indonesia". United States Geological Survey. November 6, 1963. Retrieved April 8, 2017.
  168. "M 6.3 - Papua, Indonesia". United States Geological Survey. November 6, 1963. Retrieved February 5, 2021.
  169. "M 7.6 - Peru-Brazil border region". United States Geological Survey. November 9, 1963. Retrieved April 8, 2017.
  170. "M 6.3 - Acre, Brazil". United States Geological Survey. November 10, 1963. Retrieved April 8, 2017.
  171. "M 6.5 - Kuril Islands". United States Geological Survey. November 10, 1963. Retrieved April 8, 2017.
  172. "M 6.4 - Baja California, Mexico". United States Geological Survey. November 18, 1963. Retrieved April 8, 2017.
  173. "M 6.4 - Baja California, Mexico". United States Geological Survey. November 18, 1963. Retrieved February 5, 2021.
  174. "M 6.1 - Baja California, Mexico". United States Geological Survey. November 23, 1963. Retrieved April 8, 2017.
  175. "M 6.3 - Antofagasta, Chile". United States Geological Survey. December 3, 1963. Retrieved April 8, 2017.
  176. "M 6.3 - Antofagasta, Chile". United States Geological Survey. December 3, 1963. Retrieved February 6, 2021.
  177. "M 7.0 - Java Sea". United States Geological Survey. December 15, 1963. Retrieved April 8, 2017.
  178. "M 6.5 - Sunda Strait, Indonesia". United States Geological Survey. December 16, 1963. Retrieved April 8, 2017.
  179. "M 6.5 - Sunda Strait, Indonesia". United States Geological Survey. December 16, 1963. Retrieved February 6, 2021.
  180. "Significant Earthquake: INDONESIA: JAVA: LABUHAN, MENES, PONOROGO". National Geophysical Data Center. December 16, 1963. Retrieved February 6, 2021.
  181. "M 7.6 - south of the Fiji Islands". United States Geological Survey. December 18, 1963. Retrieved April 8, 2017.
  182. "M 7.6 - south of the Fiji Islands". United States Geological Survey. December 18, 1963. Retrieved February 6, 2021.
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