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Earthquakes in 1975 Approximate epicenters of the earthquakes in 1975
Strongest magnitude 7.9 Mw 2 events Deadliest Turkey Diyarbakir Province (Magnitude 6.7) September 6 2,311 deathsTotal fatalities 2,679 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
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.
By death toll
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
January Strongest magnitude 6.8 Mw India Deadliest 6.8 Mw India 47 deaths Total fatalities 47 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
February
February Strongest magnitude 7.6 Mw United States Deadliest 7.0 Mw China 300 deaths Total fatalities 301 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
March
March Strongest magnitude 6.9 Mw Chile Deadliest 6.1 Mw Iran 7 deaths Total fatalities 9 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
April
April Strongest magnitude 6.5 Mw Norway Deadliest 6.1 Mw Venezuela 3 deaths Total fatalities 3 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
May
May Strongest magnitude 7.9 Mw North Atlantic Ocean Total fatalities 0 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
June
June Strongest magnitude 7.0 Mw Soviet Union Total fatalities 0 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
July
July Strongest magnitude 7.9 Mw Papua New Guinea Deadliest 2 events caused 1 death each. Total fatalities 2 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
August
August Strongest magnitude 6.6 Mw Soviet Union Total fatalities 0 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
September
September Strongest magnitude 6.7 Mw Turkey Deadliest 6.7 Mw Turkey 2,311 deaths Total fatalities 2,313 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
October
October Strongest magnitude 7.8 Mw Tonga Deadliest 7.2 Mw Philippines 1 death Total fatalities 1 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
December
December Strongest magnitude 7.8 Mw Samoa Deadliest 5.5 Mw Greece 1 death Total fatalities 1 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
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 .
† indicates earthquake resulting in at least 30 deaths ‡ indicates the deadliest earthquake of the year