List of earthquakes in 1975
This is a list of earthquakes in 1975. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. 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. The year was characterized by several large events which helped bring the number of magnitude 7.0+ events to 13. Six events were larger than the biggest event of 1974. Two events reached magnitude 7.9. Turkey had the deadliest event with 2,300 lives being lost in September. China had an earthquake in February which resulted in 300 deaths.
Strongest magnitude | 7.9 Mw 2 events |
---|---|
Deadliest | Turkey Diyarbakir Province (Magnitude 6.7) September 6 2,311 deaths |
Total fatalities | 2,679 |
Number by magnitude | |
9.0+ | 0 |
8.0−8.9 | 0 |
7.0−7.9 | 13 |
6.0−6.9 | 57 |
5.0−5.9 | 1,444 |
4.0−4.9 | 2,591 |
By death toll
Rank | Death toll | Magnitude | Location | MMI | Depth (km) | Date |
---|---|---|---|---|---|---|
1 | 2,311 | 6.7 | Turkey, Diyarbakir Province | VIII (Severe) | 26.0 | September 6 |
2 | 300 | 7.0 | China, Liaoning Province | IX (Violent) | 33.0 | February 4 |
3 | 47 | 6.8 | India, Himachal Pradesh | VIII (Severe) | 33.0 | January 19 |
Listed are earthquakes with at least 10 dead.
By magnitude
Rank | Magnitude | Death toll | Location | MMI | Depth (km) | Date |
---|---|---|---|---|---|---|
1 | 7.9 | 0 | north Atlantic Ocean | ( ) | 33.0 | May 26 |
1 | 7.9 | 0 | Papua New Guinea, off the west coast of Bougainville Island | VIII (Severe) | 49.0 | July 20 |
3 | 7.8 | 0 | Tonga, south of | ( ) | 9.0 | October 11 |
3 | 7.8 | 0 | Samoa | ( ) | 33.0 | December 26 |
5 | 7.7 | 0 | Chile, Bio-Bio Region | IX (Violent) | 6.0 | May 10 |
5 | 7.7 | 0 | Solomon Islands | VIII (Severe) | 44.0 | July 20 |
5 | 7.7 | 2 | United States, Hawaii (island) | IX (Violent) | 9.0 | November 29 |
8 | 7.6 | 0 | United States, Near Islands, Alaska | VI (Strong) | 10.0 | February 2 |
9 | 7.2 | 1 | Philippines, east of Samar | VII (Very strong) | 50.0 | October 31 |
10 | 7.0 | 300 | China, Liaoning Province | IX (Violent) | 33.0 | February 4 |
10 | 7.0 | 0 | Soviet Union, Kuril Islands | ( ) | 15.0 | June 10 |
10 | 7.0 | 0 | Indonesia, off the west coast of southern Sumatra | VII (Very strong) | 33.0 | October 1 |
10 | 7.0 | 0 | Solomon Islands, Santa Cruz Islands | ( ) | 54.0 | October 6 |
Listed are earthquakes with at least 7.0 magnitude.
By month
January
Strongest magnitude | 6.8 Mw India |
---|---|
Deadliest | 6.8 Mw India 47 deaths |
Total fatalities | 47 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 0 |
6.0−6.9 | 6 |
5.0−5.9 | 94 |
4.0−4.9 | 235 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
8[1] | Indonesia, southern Sumatra | 6.0 | 95.0 | ||||
9[2][3] | Soviet Union, Dagestan | 5.2 | 31.0 | Some damage was caused in the area. | |||
14[4][5] | Indonesia, Banda Sea | 6.5 | 33.0 | A tsunami was observed in the area. 81 homes were destroyed and 6 were damaged. | |||
15[6] | China, Sichuan Province | 6.0 | 33.0 | ||||
19[7][8] | India, Himachal Pradesh | 6.8 | 33.0 | VIII | The 1975 Kinnaur earthquake resulted in 47 deaths and some damage. | 47 | |
19[9] | India, Himachal Pradesh | 6.0 | 33.0 | Aftershock of previous event. | |||
23[10][11] | Japan, Kumamoto Prefecture, Kyushu | 5.8 | 10.0 | VII | Some damage was reported. | ||
25[12] | Colombia, Choco Department | 6.5 | 36.0 | VII |
February
Strongest magnitude | 7.6 Mw United States |
---|---|
Deadliest | 7.0 Mw China 300 deaths |
Total fatalities | 301 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 2 |
6.0−6.9 | 1 |
5.0−5.9 | 95 |
4.0−4.9 | 205 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
2[13][14] | United States, Near Islands, Alaska | 7.6 | 10.0 | IX | The 1975 Near Islands earthquake resulted in some damage being caused. | ||
4[15][16] | China, Liaoning Province | 7.0 | 33.0 | IX | The 1975 Haicheng earthquake caused 300 deaths. Extensive property destruction was caused. | 300 | . The Chinese Government boasted that this was the first successful "forecast" of an earthquake in history. |
9[17][18] | Indonesia, West Java | 5.6 | 27.0 | VI | 1 person died and some damage was caused. | 1 | |
22[19] | United States, Andreanof Islands, Alaska | 6.5 | 48.0 | IX |
March
Strongest magnitude | 6.9 Mw Chile |
---|---|
Deadliest | 6.1 Mw Iran 7 deaths |
Total fatalities | 9 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 0 |
6.0−6.9 | 8 |
5.0−5.9 | 102 |
4.0−4.9 | 204 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
5[20] | Indonesia, Ceram Sea | 6.6 | 33.0 | VIII | |||
7[21][22] | Iran, Hormozgan Province | 6.1 | 27.0 | VIII | 7 people died and some damage was reported. | 7 | |
13[23][24] | Chile, Coquimbo Region | 6.9 | 4.0 | VIII | 2 deaths and 25 injuries were reported. Some damage was caused. | 2 | 25 |
17[25] | Indonesia, Papua (province) | 6.0 | 33.0 | ||||
18[26] | Peru, Loreto Region | 6.2 | 98.0 | ||||
23[27] | Taiwan, east of | 6.6 | 21.0 | ||||
27[28][29] | Turkey, northeast Aegean Sea | 6.7 | 5.0 | VII | Some damage was caused. | ||
28[30][31] | United States, southern Idaho | 6.1 | 5.0 | VIII | Property damage costs were $1 million (1975 rate). |
April
Strongest magnitude | 6.5 Mw Norway |
---|---|
Deadliest | 6.1 Mw Venezuela 3 deaths |
Total fatalities | 3 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 0 |
6.0−6.9 | 6 |
5.0−5.9 | 145 |
4.0−4.9 | 231 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
5[32][33] | Venezuela, Lara (state) | 6.1 | 33.0 | VI | 3 people were killed and damage costs of $1.2 million (1975 rate) were caused. | 3 | |
9[34] | Papua New Guinea, New Ireland (island) | 6.3 | 133.0 | ||||
16[35] | Norway, west of Jan Mayen Island | 6.5 | 13.0 | ||||
20[36][37] | Japan, Oita Prefecture, Kyushu | 6.1 | 7.0 | IX | 8 people were hurt and major damage was reported. | 8 | |
23[38] | Mexico, off the coast of Guerrero | 6.2 | 11.0 | VII | |||
28[39] | China, Xinjiang Province | 6.3 | 33.0 | VII |
May
Strongest magnitude | 7.9 Mw North Atlantic Ocean |
---|---|
Total fatalities | 0 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 2 |
6.0−6.9 | 2 |
5.0−5.9 | 106 |
4.0−4.9 | 250 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
5[40] | China, Qinghai Province | 6.1 | 33.0 | VII | |||
10[41][42] | Chile, Bio-Bio Region | 7.7 | 6.0 | IX | Some damage was reported. | ||
26[43][44] | North Atlantic Ocean | 7.9 | 33.0 | IX | The 1975 North Atlantic earthquake caused some damage. | ||
27[45] | Indonesia, Gorontalo, Sulawesi | 6.1 | 70.0 | V |
June
Strongest magnitude | 7.0 Mw Soviet Union |
---|---|
Total fatalities | 0 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 1 |
6.0−6.9 | 6 |
5.0−5.9 | 191 |
4.0−4.9 | 333 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
10[46] | Soviet Union, Kuril Islands | 7.0 | 15.0 | ||||
13[47] | Soviet Union, Kuril Islands | 6.4 | 19.0 | Aftershock. | |||
14[48] | Soviet Union, Kuril Islands | 6.0 | 31.0 | Aftershock. | |||
15[49] | Soviet Union, Kuril Islands | 6.2 | 38.0 | Aftershock. | |||
16[50] | Papua New Guinea, Bismarck Sea | 6.5 | 33.0 | ||||
22[51] | Soviet Union, Kuril Islands | 6.1 | 21.0 | Aftershock. | |||
23[52] | Papua New Guinea, Admiralty Islands | 6.2 | 33.0 |
July
Strongest magnitude | 7.9 Mw Papua New Guinea |
---|---|
Deadliest | 2 events caused 1 death each. |
Total fatalities | 2 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 2 |
6.0−6.9 | 8 |
5.0−5.9 | 122 |
4.0−4.9 | 211 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
8[53] | Mexico, Gulf of California | 6.5 | 33.0 | VIII | |||
8[54][55] | Myanmar, Magway Region | 6.5 | 157.0 | IV | The 1975 Bagan earthquake resulted in 1 death. Damage costs were $1 million (1975 rate). | 1 | |
10[56] | Philippines, off the east coast of Mindanao | 6.2 | 86.0 | ||||
11[57][58] | Algeria, Setif Province | 4.3 | 33.0 | III | 1 person died and 18 were injured. Some damage was caused. | 1 | 18 |
20[59][60] | Papua New Guinea, off the west coast of Bougainville Island | 7.9 | 49.0 | VIII | Many homes were destroyed in the area. A tsunami was generated. | ||
20[61] | Solomon Islands | 7.7 | 44.0 | VIII | Aftershock. | ||
20[62] | Papua New Guinea, off the west coast of Bougainville Island | 6.7 | 50.0 | VI | Aftershock. | ||
21[63] | Papua New Guinea, off the west coast of Bougainville Island | 6.8 | 47.0 | Aftershock. | |||
21[64] | Papua New Guinea, off the west coast of Bougainville Island | 6.1 | 95.0 | V | Aftershock. | ||
22[65] | Solomon Islands | 6.1 | 36.0 | V | Aftershock. | ||
30[66] | Indonesia, West Timor | 6.1 | 16.0 | VIII |
August
Strongest magnitude | 6.6 Mw Soviet Union |
---|---|
Total fatalities | 0 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 0 |
6.0−6.9 | 3 |
5.0−5.9 | 116 |
4.0−4.9 | 190 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
1[67][68] | United States, northern California | 5.7 | 5.0 | 10 people were injured. Damage costs were $3 million (1975 rate). | 10 | ||
10[69] | Argentina, Jujuy Province | 6.2 | 166.0 | ||||
15[70] | Soviet Union, Commander Islands | 6.6 | 4.0 | ||||
23[71] | Philippines, northeast of Mindanao | 6.0 | 40.0 |
September
Strongest magnitude | 6.7 Mw Turkey |
---|---|
Deadliest | 6.7 Mw Turkey 2,311 deaths |
Total fatalities | 2,313 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 0 |
6.0−6.9 | 3 |
5.0−5.9 | 110 |
4.0−4.9 | 164 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
6[72][73] | Turkey, Diyarbakir Province | 6.7 | 26.0 | VIII | The 1975 Lice earthquake resulted in 2,311 deaths. Another 3,372 were injured. Damage costs were $17 million (1975 rate). | 2,311 | 3,372 |
21[74][75] | Iran, Chaharmahal and Bakhtiari Province | 5.2 | 33.0 | 2 people were killed and extensive damage was caused. | 2 | ||
24[76] | Tonga | 6.5 | 33.0 | ||||
30[77] | Indonesia, off the west coast of southern Sumatra | 6.0 | 33.0 | V | Foreshock. |
October
Strongest magnitude | 7.8 Mw Tonga |
---|---|
Deadliest | 7.2 Mw Philippines 1 death |
Total fatalities | 1 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 4 |
6.0−6.9 | 9 |
5.0−5.9 | 109 |
4.0−4.9 | 167 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
1[78] | Indonesia, off the west coast of southern Sumatra | 7.0 | 33.0 | VII | |||
3[79] | Afghanistan, Kandahar Province | 6.7 | 11.0 | VIII | |||
3[80] | Australia, Western Australia | 6.0 | 33.0 | ||||
3[81] | Afghanistan, Kandahar Province | 6.4 | 33.0 | VIII | Aftershock. | ||
6[82] | Solomon Islands, Santa Cruz Islands | 7.0 | 54.0 | ||||
10[83] | Vanuatu | 6.0 | 123.0 | ||||
11[84] | Tonga, south of | 7.8 | 9.0 | ||||
20[85] | Fiji | 6.5 | 33.0 | ||||
21[86] | Philippines, west of Panay | 6.1 | 33.0 | VI | Foreshock. | ||
21[87] | Philippines, west of Panay | 6.3 | 33.0 | VII | |||
26[88] | Philippines, east of Mindanao | 6.1 | 50.0 | ||||
28[89] | Chile, offshore Antofagasta Region | 6.3 | 38.0 | VI | |||
31[90][91][92] | Philippines, east of Samar | 7.2 | 50.0 | VII | 1 person was killed by the earthquake. A tsunami struck causing the destruction of 30 homes. | 1 |
November
Strongest magnitude | 7.7 Mw United States |
---|---|
Deadliest | 7.7 Mw United States 2 deaths |
Total fatalities | 2 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 1 |
6.0−6.9 | 3 |
5.0−5.9 | 133 |
4.0−4.9 | 190 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
1[93][94] | United States, north of Guam | 6.1 | 113.0 | VII | Some damage was caused. | ||
6[95] | Philippines, east of Samar | 6.1 | 11.0 | Aftershock. | |||
15[96] | Philippines, east of Samar | 6.1 | 11.0 | Aftershock. | |||
29[97][98][99] | United States, Hawaii (island) | 7.7 | 9.0 | IX | The 1975 Hawaii earthquake triggered a local tsunami with 2 deaths being reported. 19 people were injured. Total property damages were $4 million (1975 rate). | 2 |
December
Strongest magnitude | 7.8 Mw Samoa |
---|---|
Deadliest | 5.5 Mw Greece 1 death |
Total fatalities | 1 |
Number by magnitude | |
8.0−8.9 | 0 |
7.0−7.9 | 1 |
6.0−6.9 | 3 |
5.0−5.9 | 121 |
4.0−4.9 | 211 |
Date | Country and location | Mw | Depth (km) | MMI | Notes | Casualties | |
---|---|---|---|---|---|---|---|
Dead | Injured | ||||||
11[100] | Peru, Junin Region | 6.0 | 98.0 | ||||
17[101] | Indonesia, northern Sumatra | 6.2 | 17.0 | VII | |||
25[102] | Papua New Guinea, East Sepik Province | 6.6 | 115.0 | V | |||
26[103] | Samoa | 7.8 | 33.0 | ||||
31[104][105] | Greece, Western Greece | 5.5 | 19.0 | VII | 1 person was killed, 10 were injured and major damage was caused. | 1 | 10 |
References
- "M 6.0 - southern Sumatra, Indonesia". United States Geological Survey. January 8, 1975. Retrieved August 1, 2017.
- "M 5.2 - Caucasus region, Russia". United States Geological Survey. January 9, 1975. Retrieved August 1, 2017.
- "Significant Earthquake: RUSSIA: DAGESTAN". National Geophysical Data Center. January 9, 1975. Retrieved August 1, 2017.
- "M 6.5 - Banda Sea". United States Geological Survey. January 14, 1975. Retrieved August 1, 2017.
- "Significant Earthquake: INDONESIA: MALUKU: BANDANAIRA". National Geophysical Data Center. January 14, 1975. Retrieved August 1, 2017.
- "M 6.0 - western Sichuan, China". United States Geological Survey. January 15, 1975. Retrieved August 1, 2017.
- "M 6.8 - Kashmir-Xizang border region". United States Geological Survey. January 19, 1975. Retrieved August 1, 2017.
- "Significant Earthquake: INDIA: KASHMIR: KINNAUR DISTRICT". National Geophysical Data Center. January 19, 1975. Retrieved August 1, 2017.
- "M 6.0 - western Xizang-India border region". United States Geological Survey. January 19, 1975. Retrieved August 1, 2017.
- "M 5.8 - Kyushu, Japan". United States Geological Survey. January 23, 1975. Retrieved August 1, 2017.
- "Significant Earthquake: JAPAN: AROSAN". National Geophysical Data Center. January 23, 1975. Retrieved August 1, 2017.
- "M 6.5 - Panama-Colombia border region". United States Geological Survey. January 25, 1975. Retrieved August 1, 2017.
- "M 7.6 - Near Islands, Aleutian Islands, Alaska". United States Geological Survey. February 2, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: ALASKA: ALEUTIAN ISLANDS: NEAR ISLANDS". National Geophysical Data Center. February 2, 1975. Retrieved August 2, 2017.
- "M 7.0 - Liaoning, China". United States Geological Survey. February 4, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: CHINA: LIAONING PROVINCE: YINGTAO, ANSHAN". National Geophysical Data Center. February 4, 1975. Retrieved August 2, 2017.
- "M 5.6 - Java, Indonesia". United States Geological Survey. February 9, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: INDONESIA: JAVA". National Geophysical Data Center. February 9, 1975. Retrieved August 2, 2017.
- "M 6.5 - Andreanof Islands, Aleutian Islands, Alaska". United States Geological Survey. February 22, 1975. Retrieved August 2, 2017.
- "M 6.6 - Ceram Sea, Indonesia". United States Geological Survey. March 5, 1975. Retrieved August 2, 2017.
- "M 6.1 - southern Iran". United States Geological Survey. March 7, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: IRAN: SARKHUN,QALEH QAZI,QADHAD,NONG-E-BALA". National Geophysical Data Center. March 7, 1975. Retrieved August 2, 2017.
- "M 6.9 - offshore Coquimbo, Chile". United States Geological Survey. March 13, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: CHILE: COQUIMBO, LA SERENA". National Geophysical Data Center. March 13, 1975. Retrieved August 2, 2017.
- "M 6.0 - Papua, Indonesia". United States Geological Survey. March 17, 1975. Retrieved August 2, 2017.
- "M 6.2 - northern Peru". United States Geological Survey. March 18, 1975. Retrieved August 2, 2017.
- "M 6.6 - Taiwan region". United States Geological Survey. March 23, 1975. Retrieved August 2, 2017.
- "M 6.7 - western Turkey". United States Geological Survey. March 27, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: TURKEY: W; CANAKKALE, ECEABAT, GELIBOLU, LAPSEKI". National Geophysical Data Center. March 27, 1975. Retrieved August 2, 2017.
- "M 6.1 - southern Idaho". United States Geological Survey. March 28, 1975. Retrieved August 2, 2017.
- "Significant Earthquake: IDAHO: POCATELLO VALLEY". National Geophysical Data Center. March 28, 1975. Retrieved August 2, 2017.
- "M 6.1 - Lara, Venezuela". United States Geological Survey. April 5, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: VENEZUELA". National Geophysical Data Center. April 5, 1975. Retrieved August 3, 2017.
- "M 6.3 - New Britain region, Papua New Guinea". United States Geological Survey. April 9, 1975. Retrieved August 3, 2017.
- "M 6.5 - Jan Mayen Island region". United States Geological Survey. April 16, 1975. Retrieved August 3, 2017.
- "M 6.1 - Kyushu, Japan". United States Geological Survey. April 20, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: JAPAN: OITA, AROSAN". National Geophysical Data Center. April 20, 1975. Retrieved August 3, 2017.
- "M 6.2 - offshore Guerrero, Mexico". United States Geological Survey. April 23, 1975. Retrieved August 3, 2017.
- "M 6.3 - Kashmir-Xinjiang border region". United States Geological Survey. April 28, 1975. Retrieved August 3, 2017.
- "M 6.1 - southern Qinghai, China". United States Geological Survey. May 5, 1975. Retrieved August 3, 2017.
- "M 7.7 - Bio-Bio, Chile". United States Geological Survey. May 10, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: CHILE: CENTRAL". National Geophysical Data Center. May 10, 1975. Retrieved August 3, 2017.
- "M 7.9 - Azores-Cape St. Vincent Ridge". United States Geological Survey. May 26, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: ATLANTIC OCEAN: MADERIA ISLANDS". National Geophysical Data Center. May 26, 1975. Retrieved August 3, 2017.
- "M 6.1 - Minahasa, Sulawesi, Indonesia". United States Geological Survey. May 27, 1975. Retrieved August 3, 2017.
- "M 7.0 - Kuril Islands". United States Geological Survey. June 10, 1975. Retrieved August 3, 2017.
- "M 6.4 - Kuril Islands". United States Geological Survey. June 13, 1975. Retrieved August 3, 2017.
- "M 6.0 - Kuril Islands". United States Geological Survey. June 14, 1975. Retrieved August 3, 2017.
- "M 6.2 - Kuril Islands". United States Geological Survey. June 15, 1975. Retrieved August 3, 2017.
- "M 6.5 - Bismarck Sea". United States Geological Survey. June 16, 1975. Retrieved August 3, 2017.
- "M 6.1 - Kuril Islands". United States Geological Survey. June 22, 1975. Retrieved August 3, 2017.
- "M 6.2 - Admiralty Islands region, Papua New Guinea". United States Geological Survey. June 23, 1975. Retrieved August 3, 2017.
- "M 6.5 - Baja California, Mexico". United States Geological Survey. July 8, 1975. Retrieved August 3, 2017.
- "M 6.5 - Myanmar". United States Geological Survey. July 8, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: MYANMAR (BURMA): PAGAN". National Geophysical Data Center. July 8, 1975. Retrieved August 3, 2017.
- "M 6.2 - Mindanao, Philippines". United States Geological Survey. July 10, 1975. Retrieved August 3, 2017.
- "M 4.3 - northern Algeria". United States Geological Survey. July 11, 1975. Retrieved August 4, 2017.
- "Significant Earthquake: ALGERIA: DJEBEL BABOR". National Geophysical Data Center. July 11, 1975. Retrieved August 4, 2017.
- "M 7.9 - Bougainville region, Papua New Guinea". United States Geological Survey. July 20, 1975. Retrieved August 3, 2017.
- "Significant Earthquake: PAPUA NEW GUINEA: BISMARCK SEA: BOUGAINVILLE". National Geophysical Data Center. July 20, 1975. Retrieved August 3, 2017.
- "M 7.7 - Solomon Islands". United States Geological Survey. July 20, 1975. Retrieved August 3, 2017.
- "M 6.7 - Bougainville region, Papua New Guinea". United States Geological Survey. July 20, 1975. Retrieved August 3, 2017.
- "M 6.8 - Bougainville region, Papua New Guinea". United States Geological Survey. July 21, 1975. Retrieved August 4, 2017.
- "M 6.1 - Bougainville region, Papua New Guinea". United States Geological Survey. July 21, 1975. Retrieved August 4, 2017.
- "M 6.1 - Solomon Islands". United States Geological Survey. July 22, 1975. Retrieved August 4, 2017.
- "M 6.1 - Timor region, Indonesia". United States Geological Survey. July 30, 1975. Retrieved August 4, 2017.
- "M 5.7 - 0km WSW of Palermo, California". United States Geological Survey. August 1, 1975. Retrieved August 4, 2017.
- "Significant Earthquake: CALIFORNIA: OROVILLE". National Geophysical Data Center. August 1, 1975. Retrieved August 4, 2017.
- "M 6.2 - Jujuy, Argentina". United States Geological Survey. August 10, 1975. Retrieved August 4, 2017.
- "M 6.6 - Komandorskiye Ostrova, Russia region". United States Geological Survey. August 15, 1975. Retrieved August 4, 2017.
- "M 6.0 - Leyte, Philippines". United States Geological Survey. August 23, 1975. Retrieved August 4, 2017.
- "M 6.7 - eastern Turkey". United States Geological Survey. September 6, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: TURKEY: LICE". National Geophysical Data Center. September 6, 1975. Retrieved August 5, 2017.
- "M 5.2 - central Iran". United States Geological Survey. September 21, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: IRAN: SARPIR,DORAHAN,DEH BAGH". National Geophysical Data Center. September 21, 1975. Retrieved August 5, 2017.
- "M 6.5 - Tonga". United States Geological Survey. September 24, 1975. Retrieved August 5, 2017.
- "M 6.0 - southern Sumatra, Indonesia". United States Geological Survey. September 30, 1975. Retrieved August 5, 2017.
- "M 7.0 - southern Sumatra, Indonesia". United States Geological Survey. October 1, 1975. Retrieved August 5, 2017.
- "M 6.7 - western Afghanistan". United States Geological Survey. October 3, 1975. Retrieved August 5, 2017.
- "M 6.0 - Western Australia". United States Geological Survey. October 3, 1975. Retrieved August 5, 2017.
- "M 6.4 - Afghanistan-Pakistan border region". United States Geological Survey. October 3, 1975. Retrieved August 5, 2017.
- "M 7.0 - Santa Cruz Islands". United States Geological Survey. October 6, 1975. Retrieved August 5, 2017.
- "M 6.0 - Vanuatu". United States Geological Survey. October 10, 1975. Retrieved August 5, 2017.
- "M 7.8 - south of Tonga". United States Geological Survey. October 11, 1975. Retrieved August 5, 2017.
- "M 6.5 - Fiji region". United States Geological Survey. October 20, 1975. Retrieved August 5, 2017.
- "M 6.1 - Panay, Philippines". United States Geological Survey. October 21, 1975. Retrieved August 5, 2017.
- "M 6.3 - Panay, Philippines". United States Geological Survey. October 21, 1975. Retrieved August 5, 2017.
- "M 6.1 - Mindanao, Philippines". United States Geological Survey. October 26, 1975. Retrieved August 5, 2017.
- "M 6.3 - near the coast of Antofagasta, Chile". United States Geological Survey. October 28, 1975. Retrieved August 5, 2017.
- "M 7.2 - Samar, Philippines". United States Geological Survey. October 31, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: PHILIPPINES". National Geophysical Data Center. October 31, 1975. Retrieved August 5, 2017.
- "Tsunami Event: PHILIPPINE TRENCH". National Geophysical Data Center. October 31, 1975. Retrieved August 5, 2017.
- "M 6.1 - Guam region". United States Geological Survey. November 1, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: GUAM". National Geophysical Data Center. November 1, 1975. Retrieved August 5, 2017.
- "M 6.1 - Philippine Islands region". United States Geological Survey. November 6, 1975. Retrieved August 5, 2017.
- "M 6.1 - Samar, Philippines". United States Geological Survey. November 15, 1975. Retrieved August 5, 2017.
- "M 7.1 - Hawaii region, Hawaii". United States Geological Survey. November 29, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: HAWAII". National Geophysical Data Center. November 29, 1975. Retrieved August 5, 2017.
- "Tsunami Event: HAWAII". National Geophysical Data Center. November 29, 1975. Retrieved August 5, 2017.
- "M 6.0 - central Peru". United States Geological Survey. December 11, 1975. Retrieved August 5, 2017.
- "M 6.2 - northern Sumatra, Indonesia". United States Geological Survey. December 17, 1975. Retrieved August 5, 2017.
- "M 6.6 - New Guinea, Papua New Guinea". United States Geological Survey. December 25, 1975. Retrieved August 5, 2017.
- "M 7.8 - Samoa Islands region". United States Geological Survey. December 26, 1975. Retrieved August 5, 2017.
- "M 5.5 - Greece". United States Geological Survey. December 31, 1975. Retrieved August 5, 2017.
- "Significant Earthquake: GREECE: KATO-MAKRINOU". National Geophysical Data Center. December 31, 1975. Retrieved August 5, 2017.