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 2,000 deaths.

By death toll Rank Death toll Magnitude Location MMI Depth (km) Date 1 , Diyarbakir Province 2 , Liaoning Province 3 , Himachal Pradesh Listed are earthquakes with at least 10 dead.

By magnitude Rank Magnitude Death toll Location MMI Depth (km) Date = 1 north Atlantic Ocean = 1 Papua New Guinea, off the west coast of Bougainville Island = 2 , south of = 2 = 3 , Bio-Bio Region = 3 , British Solomon Islands = 3 , Hawaii (island) 4 , Near Islands, Alaska 5 , east of Samar = 6 , Liaoning Province = 6 , Kuril Islands, Russia = 6 , off the west coast of southern Sumatra = 6 , Santa Cruz Islands, British Solomon Islands Listed are earthquakes with at least 7.0 magnitude.

By month

January

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , southern Sumatra 6.0 95.0 , Dagestan, Russia 5.2 31.0 Some damage was caused in the area. , Banda Sea 6.5 33.0 , western Sichuan Province 6.0 33.0 , Himachal Pradesh 6.8 33.0 The 1975 Kinnaur earthquake resulted in 47 deaths and some damage. 47 , Himachal Pradesh 6.0 33.0 Aftershock. , Kumamoto Prefecture, Kyushu 5.8 10.0 Some damage was reported. , Choco Department 6.5 36.0

February

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Near Islands, Alaska 7.6 10.0 The 1975 Near Islands earthquake resulted in some damage. , Liaoning Province 7.0 33.0 The 1975 Haicheng earthquake left 2,000 people dead. Extensive property destruction was caused. Due to changes in land elevation and water levels officials ordered the evacuation of the local area. Strange animal behaviour and foreshock activity also led to the decision which saved thousands of lives. 2,000 , West Java 5.6 27.0 1 person died and some damage was caused. 1 , Andreanof Islands, Alaska 6.5 48.0

March

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Ceram Sea 6.6 33.0 , Hormozgan Province 6.1 27.0 7 people were killed and 200 were injured. Some damage was caused. 7 200 , Coquimbo Region 6.9 4.0 2 deaths and 25 injuries were reported. Some damage was caused. 2 25 , Papua (province) 6.0 33.0 , Loreto Region 6.2 98.0 , east of 6.6 21.0 , northeast Aegean Sea 6.7 5.0 Some damage was caused. , southern Idaho 6.1 5.0 1 person was injured and property damage was caused with costs reaching $1 million (1975 rate). 1

April

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Lara (state) 6.1 33.0 3 people were killed and 20 were injured. Property damage costs of $1.2 million (1975 rate) were caused. 3 20 , New Ireland (island) 6.3 133.0 , west of Jan Mayen Island 6.5 13.0 , Oita Prefecture, Kyushu 6.1 7.0 8 people were hurt and major damage was reported. 8 , off the coast of Guerrero 6.2 11.0 , Xinjiang Province 6.3 33.0

May

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , southern Qinghai Province 6.1 33.0 , Bio-Bio Region 7.7 6.0 Some damage was reported. North Atlantic Ocean 7.9 33.0 Largest event of 1975. The 1975 North Atlantic earthquake caused some damage. , Gorontalo, Sulawesi 6.1 70.0

June

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Kuril Islands, Russia 7.0 15.0 , Kuril Islands, Russia 6.4 19.0 Aftershock. , Kuril Islands, Russia 6.0 31.0 Aftershock. , Kuril Islands, Russia 6.2 38.0 Aftershock. Papua New Guinea, Bismarck Sea 6.5 33.0 , Kuril Islands, Russia 6.1 21.0 Aftershock of June 10 event. Papua New Guinea, Admiralty Islands 6.2 33.0 , Yellowstone National Park, Wyoming 5.9 7.0 Minor damage was caused. Some rockslides and landslides were observed as well as other topographical changes.

July

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Gulf of California 6.5 33.0 , Magway Region 6.5 157.0 The 1975 Bagan earthquake resulted in 1 death and 1 injury. Damage costs were $500,000 (1975 rate). 1 1 , off the east coast of Mindanao 6.2 86.0 , Setif Province 4.3 33.0 1 person died and 18 were injured. Some damage was caused. 1 18 Papua New Guinea, off the west coast of Bougainville Island 7.9 49.0 Largest event of 1975. Many homes were destroyed in the area. A tsunami was generated. , British Solomon Islands 7.7 44.0 Aftershock of previous event. Papua New Guinea, off the west coast of Bougainville Island 6.7 50.0 Aftershock. Papua New Guinea, off the west coast of Bougainville Island 6.8 47.0 Aftershock. Papua New Guinea, off the west coast of Bougainville Island 6.1 95.0 Aftershock. British Solomon Islands 6.1 36.0 Aftershock. , West Timor 6.1 16.0

August

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , northern California 5.7 5.0 10 people were injured. Damage costs were $3 million (1975 rate). 10 , Jujuy Province 6.2 166.0 , Commander Islands, Russia 6.6 4.0 , northeast of Mindanao 6.0 40.0

September

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Diyarbakir Province 6.7 26.0 Deadliest event of 1975. 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 , Chaharmahal and Bakhtiari Province 5.2 33.0 2 people were killed and extensive damage was caused. 2 6.5 33.0 , off the west coast of southern Sumatra 6.0 33.0 Foreshock.

October

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , off the west coast of southern Sumatra 7.0 33.0 , Kandahar Province 6.7 11.0 , Western Australia 6.0 33.0 , Kandahar Province 6.4 33.0 Aftershock. , Santa Cruz Islands, Solomon Islands 7.0 54.0 , Vanuatu 6.0 123.0 , south of 7.8 9.0 6.5 33.0 , west of Panay 6.1 33.0 Foreshock. , west of Panay 6.3 33.0 , east of Mindanao 6.1 50.0 , offshore Antofagasta Region 6.3 38.0 , east of Samar 7.2 50.0 1 person was killed by the earthquake. A tsunami struck causing the destruction of 30 homes. 1

November

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , north of Guam 6.1 113.0 Some damage was caused. , east of Samar 6.1 11.0 Aftershock of October 31 event. , east of Samar 6.1 11.0 Aftershock of October 31 event. , Hawaii (island) 7.7 8.6 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). This was the largest event in Hawaii since 1868. 2 19

December

+DateCountry and location Mw Depth (km) MMINotes Casualties Dead Injured , Junin Region 6.0 98.0 , northern Sumatra 6.2 17.0 , East Sepik Province 6.6 115.0 7.8 33.0 , Western Greece 5.5 19.0 1 person was killed, 10 were injured and major damage was caused. 1 10

References