List of earthquakes in 1940

This is a list of earthquakes in 1940. 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. Overall, with 13 magnitude 7.0+ events worldwide, this was a fairly busy year. The death toll was substantially lower than 1939. The most significant event in terms of lives lost was in Romania in November with 1,000 deaths. Other quakes in China and Peru resulted in significant fatalities.

Earthquakes in 1940
Approximate epicenters of the earthquakes in 1940
Strongest magnitude Peru, Lima Region (Magnitude 8.2) May 24
Deadliest Romania, Vrancea County (Magnitude 7.8) November 10 1,000 deaths
Total fatalities1,448
Number by magnitude
9.0+0
8.0−8.91
7.0−7.912
6.0−6.979
5.0−5.92
← 1939
1941 →

Overall

By death toll
Rank Death toll Magnitude Location MMI Depth (km) Date
1 1,000 7.8  Romania, Vrancea County ( ) 90.0 November 10
2 181 6.0  China, Yunnan Province ( ) 35.0 April 6
3 179 8.2  Peru, Lima Region ( ) 45.0 May 24
4 51 6.0  China, Inner Mongolia ( ) 35.0 January 19
5 16 6.5  Georgia (country), Imereti ( ) 50.0 May 7
6 10 7.5  Japan, eastern Sea of Japan ( ) 15.0 August 1
  • Note: At least 10 casualties

By magnitude
Rank Magnitude Death toll Location MMI Depth (km) Date
1 8.2 179  Peru, Lima Region ( ) 45.0 May 24
2 7.8 0  Romania, Vrancea County ( ) 90.0 November 10
3 7.7 0  United States, Northern Mariana Islands ( ) 15.0 December 28
= 4 7.5 0  United States, Northern Mariana Islands ( ) 15.0 January 17
= 4 7.5 10  Japan, eastern Sea of Japan ( ) 15.0 August 1
5 7.4 0  United States, Rat Islands, Alaska ( ) 65.0 July 14
6 7.3 0  China, Heilongjiang Province ( ) 575.0 July 10
7 7.2 0  France, southeast of the Loyalty Islands, New Caledonia ( ) 180.0 January 6
8 7.1 0  Bolivia, La Paz Department (Bolivia) ( ) 220.0 December 22
= 9 7.0 0  Vanuatu ( ) 210.0 February 20
= 9 7.0 0  Japan, southern Sea of Japan ( ) 10.0 August 13
= 9 7.0 0  Philippines, southeast of Mindanao ( ) 15.0 October 7
= 9 7.0 0  Chile, Chiloe Island, Los Lagos Region ( ) 35.0 October 11
  • Note: At least 7.0 magnitude

Notable events

January
January
Strongest magnitude7.5 Mw  United States
Deadliest6.0 Mw  China
51+ deaths
Total fatalities51+
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

6[1] France, southeast of the Loyalty Islands, New Caledonia7.2180.0 data-sort-value="" class="nowrap"|
17[2] United States, Northern Mariana Islands7.515.0 data-sort-value="" class="nowrap"|
19[3][4] China, Inner Mongolia6.035.0 data-sort-value="" class="nowrap"| At least 51 people were killed and many homes were destroyed.51+
26[5] Japan, southeast of the Ryukyu Islands6.615.0 data-sort-value="" class="nowrap"|

February
February
Strongest magnitude7.0 Mw  Vanuatu
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.96
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

12[6] Chile, off the coast of Atacama Region6.570.0 data-sort-value="" class="nowrap"|
12[7] Fiji, south of6.6220.0 data-sort-value="" class="nowrap"|
12[8][9] United States, south of the Alaska Peninsula6.80.0 data-sort-value="5.0" class="nowrap"| V Depth unknown.
20[10] Vanuatu7.0210.0 data-sort-value="" class="nowrap"|
24[11] Papua New Guinea, off the north coast of6.315.0 data-sort-value="" class="nowrap"|
27[12] Venezuela, Delta Amacuro6.035.0 data-sort-value="" class="nowrap"|
29[13] Greece, north of Crete6.035.0 data-sort-value="" class="nowrap"|

March
March
Strongest magnitude6.6 Mw  Philippines
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.94
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

9[14] Japan, Bonin Islands6.5500.0 data-sort-value="" class="nowrap"|
19[15] Afghanistan, Nuristan Province6.050.0 data-sort-value="" class="nowrap"|
28[16] Philippines, west of Luzon6.6200.9 data-sort-value="" class="nowrap"|
31[17] Chile, off the coast of Arica y Parinacota Region6.050.0 data-sort-value="" class="nowrap"|

April
April
Strongest magnitude6.9 Mw  United States 2 events
Deadliest6.0 Mw  China
181 deaths
Total fatalities181
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.99
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[18] Indonesia, Papua (province)6.635.0 data-sort-value="" class="nowrap"|
5[19] Japan, Volcano Islands6.5220.0 data-sort-value="" class="nowrap"|
6[20][21] China, Yunnan Province6.035.0 data-sort-value="8.0" class="nowrap"| VIII 181 people died and another 475 were injured. 11,556 homes were destroyed.181475
8[22] Chile, Valparaiso Region6.035.0 data-sort-value="" class="nowrap"|
16[23] United States, Near Islands, Alaska6.930.0 rowspan="2"| Doublet earthquake.
16[24] United States, Near Islands, Alaska6.930.0 data-sort-value="" class="nowrap"|
20[25] Japan, Shiga Prefecture, Honshu6.0400.0 data-sort-value="" class="nowrap"|
27[26] Vanuatu, Espiritu Santo6.535.0 rowspan="2"| Doublet earthquake.
27[27] Vanuatu, Espiritu Santo6.535.0 data-sort-value="" class="nowrap"|

May
May
Strongest magnitude8.2 Mw  Peru
Deadliest8.2 Mw  Peru
179 deaths
Total fatalities204
Number by magnitude
8.0−8.91
7.0−7.90
6.0−6.913
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[28] Argentina, Chaco Province6.2580.0 data-sort-value="" class="nowrap"|
4[29] Iran, Razavi Khorasan Province6.315.0 data-sort-value="" class="nowrap"|
5[30] Peru, off the coast of northern6.035.0 data-sort-value="" class="nowrap"|
7[31][32] Georgia (country), Imereti6.550.0 data-sort-value="" class="nowrap"| 16 deaths were caused and some damage was reported.16
11[33] Myanmar, Sagaing Region6.580.0 data-sort-value="" class="nowrap"|
19[34][35] United States, southern California6.96.0 data-sort-value="10.0" class="nowrap"| X 9 people died in the 1940 El Centro earthquake. Major damage was caused in the area. Costs were $33 million (1940 rate).9
19[36] Russia, Sea of Okhotsk6.6575.0 data-sort-value="" class="nowrap"|
19[37] Mozambique, Gaza Province6.235.0 data-sort-value="" class="nowrap"|
21[38] Fiji6.5350.0 data-sort-value="" class="nowrap"|
24[39][40] Peru, Lima Region8.245.0 data-sort-value="10.0" class="nowrap"| X 179 people were killed and 3,500 were injured. Many homes were destroyed.1793,500
24[41] Peru, Lima Region6.645.0 data-sort-value="" class="nowrap"| Aftershock.
27[42] Afghanistan, Badakhshan Province6.2240.0 data-sort-value="" class="nowrap"|
28[43] Indonesia, Papua (province)6.635.0 data-sort-value="" class="nowrap"|
29[44] Canada, Northwest Territories6.235.0 data-sort-value="" class="nowrap"|

June
June
Strongest magnitude6.6 Mw  Indonesia
Deadliest5.5 Mw  China
2 deaths
Total fatalities2
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.98
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

3[45] Mexico, Gulf of California6.235.0 data-sort-value="" class="nowrap"|
5[46] Canada, Northwest Territories6.510.0 data-sort-value="" class="nowrap"|
7[47] Papua New Guinea, D'Entrecasteaux Islands6.235.0 data-sort-value="" class="nowrap"|
11[48] Indonesia, Banda Sea6.235.0 data-sort-value="" class="nowrap"|
12[49] Japan, southeast of Honshu6.5100.0 data-sort-value="" class="nowrap"|
17[50][51] United States, northeast of Hawaii6.00.0 data-sort-value="5.0" class="nowrap"| V Depth unknown.
18[52] Philippines, Moro Gulf6.5570.0 data-sort-value="" class="nowrap"|
19[53] China, Yunnan Province5.50.0 data-sort-value="7.0" class="nowrap"| VII 2 deaths and 20 injuries were caused. Many homes were destroyed.220
22[54] Indonesia, Gulf of Tomini6.6170.0 data-sort-value="" class="nowrap"|

July
July
Strongest magnitude7.4 Mw  United States
Total fatalities0
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

6[55] Saint Vincent and the Grenadines6.5160.0 data-sort-value="" class="nowrap"|
10[56] China, Heilongjiang Province7.3575.0 data-sort-value="" class="nowrap"|
14[57] United States, Rat Islands, Alaska7.465.0 data-sort-value="" class="nowrap"|
21[58] Indonesia, Celebes Sea6.315.0 data-sort-value="" class="nowrap"|
27[59] Guatemala, Escuintla Department6.535.0 data-sort-value="" class="nowrap"|
30[60] Turkey, Yozgat Province6.235.0 data-sort-value="" class="nowrap"|

August
August
Strongest magnitude7.5 Mw  Japan
Deadliest7.5 Mw  Japan
10 deaths
Total fatalities10
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.94
5.0−5.91
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[61] Fiji, south of6.6500.0 data-sort-value="" class="nowrap"|
1[62][63][64] Japan, eastern Sea of Japan7.515.0 data-sort-value="9.0" class="nowrap"| IX A tsunami was triggered by the earthquake resulting in 10 deaths due to drowning. 20 homes were destroyed. The earthquake caused some damage.10
5[65] China, Liaoning Province5.80.0 data-sort-value="8.0" class="nowrap"| VIII 1,190 homes were destroyed.
7[66] Chile, Antofagasta Region6.2110.0 data-sort-value="" class="nowrap"|
13[67] Japan, southern Sea of Japan7.015.0 data-sort-value="" class="nowrap"|
22[68][69] United States, Fox Islands (Alaska)6.915.0 data-sort-value="5.0" class="nowrap"| V
26[70] Peru, Junin Region6.0110.0 data-sort-value="" class="nowrap"|

September
September
Strongest magnitude6.8 Mw  Philippines
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.90
6.0−6.910
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

12[71] Indonesia, Celebes Sea6.5160.0 data-sort-value="" class="nowrap"|
12[72] Papua New Guinea, southeast New Ireland (island)6.675.5 data-sort-value="" class="nowrap"|
18[73] Chile, Antofagasta Region6.5110.0 data-sort-value="" class="nowrap"|
19[74] France, Loyalty Islands, New Caledonia6.515.0 data-sort-value="" class="nowrap"|
21[75] Afghanistan, Badakhshan Province6.2250.0 data-sort-value="" class="nowrap"|
22[76] Philippines, Mindanao6.8640.0 data-sort-value="" class="nowrap"|
23[77] Argentina, Salta Province6.5550.0 data-sort-value="" class="nowrap"|
24[78] Brazil, Acre (state)6.0600.0 data-sort-value="" class="nowrap"|
26[79] Solomon Islands, Santa Cruz Islands6.6135.0 data-sort-value="" class="nowrap"|
29[80] Argentina, Mendoza Province6.2110.0 data-sort-value="" class="nowrap"|

October
October
Strongest magnitude7.0 Mw 2 events
Total fatalities0
Number by magnitude
8.0−8.90
7.0−7.92
6.0−6.911
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

1[81] Chile, Atacama Region6.545.0 data-sort-value="" class="nowrap"|
3[82] Chile, Tarapaca Region6.2110.0 data-sort-value="" class="nowrap"| Foreshock.
4[83] China, Xizang Province6.035.0 data-sort-value="" class="nowrap"|
4[84] Chile, off the coast of Tarapaca Region6.935.0 data-sort-value="" class="nowrap"|
5[85] Costa Rica, Puntarenas Province6.235.0 data-sort-value="" class="nowrap"|
6[86] Chile, off the coast of Tarapaca Region6.415.0 data-sort-value="" class="nowrap"| Aftershock.
7[87] Philippines, southeast of Mindanao7.015.0 data-sort-value="" class="nowrap"|
11[88][89] United States, Kenai Peninsula, Alaska6.00.0 data-sort-value="4.0" class="nowrap"| IV
11[90] Chile, Chiloe Island, Los Lagos Region7.035.0 data-sort-value="" class="nowrap"|
22[91] Romania, Vrancea County6.5150.0 data-sort-value="" class="nowrap"|
23[92] Ecuador, Pastaza Province6.0140.0 data-sort-value="" class="nowrap"|
24[93] Chile, O'Higgins Region6.645.0 data-sort-value="" class="nowrap"|
27[94] Costa Rica, Puntarenas Province6.635.0 data-sort-value="" class="nowrap"|

November
November
Strongest magnitude7.8 Mw  Romania
Deadliest7.8 Mw  Romania
1,000 deaths
Total fatalities1,000
Number by magnitude
8.0−8.90
7.0−7.91
6.0−6.93
Date Country and location Mw Depth (km) MMI Notes Casualties
Dead Injured

7[95] Japan, south of Honshu6.6440.0 data-sort-value="" class="nowrap"|
10[96][97] Romania, Vrancea County7.890.0 data-sort-value="10.0" class="nowrap"| X The 1940 Vrancea earthquake caused 1,000 deaths despite being at an intermediate depth. Extensive property damage was caused with costs reaching $10 million (1940 rate).1,000
19[98] Japan, off the east coast of Honshu6.744.2 data-sort-value="" class="nowrap"|
22[99] Russia, Primorsky Krai6.0570.0 data-sort-value="" class="nowrap"|

December
December
Strongest magnitude7.7 Mw  United States
Total fatalities0
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

4[100] Indonesia, off the east coast of Seram6.335.0 data-sort-value="" class="nowrap"|
7[101] Mexico, Baja California6.16.0 data-sort-value="" class="nowrap"|
17[102] Indonesia, Papua (province)6.535.0 data-sort-value="" class="nowrap"|
18[103] Zambia, Eastern Province, Zambia6.035.0 data-sort-value="" class="nowrap"|
18[104] Indonesia, Banda Sea6.5150.0 data-sort-value="" class="nowrap"|
22[105] Bolivia, La Paz Department (Bolivia)7.1220.0 data-sort-value="" class="nowrap"|
28[106] United States, Northern Mariana Islands7.715.0 data-sort-value="" class="nowrap"|

References
  1. "On-Line Bulletin". International Seismological Centre. January 6, 1940. Retrieved June 2, 2016.
  2. "M 7.5 - Mariana Islands region". United States Geological Survey. January 17, 1940. Retrieved June 2, 2016.
  3. "On-Line Bulletin". International Seismological Centre. January 19, 1940. Retrieved June 2, 2016.
  4. "Significant Earthquake: CHINA: NEI MONGOL". National Geophysical Data Center. January 19, 1940. Retrieved June 2, 2016.
  5. "M 6.6 - west of the Bonin Islands, Japan". United States Geological Survey. January 26, 1940. Retrieved June 2, 2016.
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