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Geology and mineralogy

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1933 Sanriku earthquake

The 1933 Sanriku earthquake (昭和三陸地震, Shōwa Sanriku Jishin) was a magnitude-8-class normal-faulting earthquake off Japan's Sanriku coast on March 3, 1933, generating a tsunami that killed 3,064 people.

1933 Sichuan earthquake

The 1933 Sichuan earthquake, also called the Diexi earthquake (叠溪地震), struck Mao County, Sichuan, China, on 25 August 1933; landslide dams later burst, flooding 250 km of the Min River valley and killing about 2,400 people.

1934 Nepal earthquake

The 1934 Nepal earthquake, also called the Bihar–Nepal earthquake, was a magnitude 8.2 quake that struck on January 15, 1934, killing more than 15,700 people in Nepal and Bihar, India.

1935 Kevsut earthquake

The 1935 Kevsut earthquake, also spelled Kusut, struck eastern Mazandaran in the Alborz mountains of northern Iran on 11 April 1935, killing about 480 to 700 people.

1935 Kigi earthquake

The 1935 Kigi earthquake, known in Turkish sources as the 1935 Digor earthquake, was a magnitude 6.1 quake that struck Kars Province in northeastern Turkey on 1 May 1935.

1935 Mialoi earthquake

The 1935 Mialoi earthquake, better known as the Hsinchu-Taichung earthquake, was a magnitude 7.1 earthquake that struck central Taiwan on April 21, 1935, killing 3,276 people and injuring 12,053.

1935 Quetta earthquake

The 1935 Quetta earthquake was a magnitude 7.7 event that struck Quetta in British India (now Pakistan) on May 30, 1935, killing 35,000 people.

1935 Xiinzhu earthquake

The 1935 Xiinzhu earthquake, known as the Hsinchu–Taichung earthquake, struck central Taiwan on 21 April 1935 with magnitude 7.1, killing over 3,200 people and remaining Taiwan's deadliest recorded earthquake.

1936 Colombia earthquake

The 1936 Colombia earthquake was a magnitude 5.6 earthquake that struck the Andean highlands of Nariño in southern Colombia on 9 January 1936, triggering a landslide that buried La Chorrera.

1936 El Salvador earthquake

The 1936 El Salvador earthquake was a magnitude 6.1 earthquake that destroyed most of San Vicente on 19 December 1936, killing at least 150 people.

1937 eruption of Rabaul

The 1937 eruption of Rabaul was an explosive eruption of the Rabaul caldera in New Britain that began on 29 May 1937 and killed about 500 people.

1937 Papua New Guinea earthquake

The 1937 Papua New Guinea earthquake was a strong shock that struck Rabaul, New Britain, on 28 May 1937 and triggered the deadly Vulcan and Tavurvur eruptions.

1937 Shandong earthquake

The 1937 Shandong earthquake was a magnitude 7 earthquake that struck Heze in southwestern Shandong, China, on 1 August 1937, killing 390 people and felt across seven provinces.

1938 Kirsehir earthquake

The 1938 Kırşehir earthquake was a magnitude 6.6 earthquake that struck central Anatolia, Turkey, on 19 April 1938, killing about 160 people and destroying over 2,000 houses.

1939 Chillan earthquake

The 1939 Chillán earthquake struck central Chile on 24 January 1939, a magnitude 7.8 to 8.3 earthquake that killed an official 24,000 people, the deadliest in Chile's recorded history.

1939 Erzincan earthquake

The 1939 Erzincan earthquake was a magnitude 7.8 to 7.9 earthquake that struck Erzincan in eastern Turkey on 26 December 1939, rupturing about 360 km of the North Anatolian Fault and killing close to 33,000 people.

1940 Peru earthquake

The 1940 Peru earthquake, also called the 1940 Lima earthquake, was a magnitude 8 earthquake that struck central Peru on May 24, 1940, killing about 300.

1940 Romania earthquake

The 1940 Romania earthquake was a magnitude 7.7 earthquake that struck the Vrancea zone on November 10, 1940, killing 593 people and destroying the Carlton Block in Bucharest.

1940 Yunnan earthquake

The 1940 Yunnan earthquake, also cataloged as the Shiping earthquake, struck Shiping County, Yunnan, China, on April 6, 1940, killing 181 people and injuring 475.

1941 Taiwan earthquake

The 1941 Taiwan earthquake, known in Taiwan as the Chiayi Chungpu earthquake (嘉义中埔地震), struck near Chiayi in 1941 with magnitude 7.1 to 7.2 and caused large landslides but no surface rupture.

1941 Van earthquake

The 1941 Van earthquake was a magnitude 5.9 to 6.0 earthquake that struck Erciş on Lake Van in eastern Turkey on 10 September 1941, killing between roughly 190 and 430 people.

1941 Yemen earthquake

The 1941 Yemen earthquake struck northwestern Yemen around noon on 11 January 1941, with its worst effects near Razih west of Sa'dah, killing 1,200 people and destroying about 300 houses.

1942 Guayaquil earthquake

The 1942 Guayaquil earthquake was a magnitude 7.8 megathrust earthquake off the coast of Ecuador on 14 May 1942, causing severe damage and roughly 200 deaths in Guayaquil.

1942 Niksar earthquake

The 1942 Niksar earthquake, also called the 1942 Erbaa-Niksar earthquake, struck the Niksar-Erbaa region of northern Turkey on 20 December 1942 with a magnitude of about 7.

1943 Hendek earthquake

The 1943 Hendek earthquake (Turkish: 1943 Adapazarı-Hendek depremi) struck Adapazarı and Hendek east of the Sea of Marmara, Turkey, on 20 June 1943, killing about 346 people.

1943 Jogyakarta earthquake

The 1943 Jogyakarta earthquake was a large intraplate earthquake that struck south of Yogyakarta, Java, on 23 July 1943, killing 213 people and collapsing thousands of houses.

1943 Ladik earthquake

The 1943 Ladik earthquake, also called the 1943 Tosya–Ladik earthquake, was a magnitude 7.2 strike-slip quake in northern Turkey that killed roughly 4,000 people in November 1943.

1943 Ne earthquake

The 1943 Tosya–Ladik earthquake struck northern Turkey on 26 November 1943, rupturing about 280 km of the North Anatolian Fault and killing thousands of people.

1943 Tottori earthquake

The 1943 Tottori earthquake (鳥取地震) was a magnitude 7.2 inland earthquake that struck eastern Tottori Prefecture, Japan, on September 10, 1943, destroying most of Tottori city and killing 1,083 people.

1944 Japan earthquake

The 1944 Japan earthquake, known in Japan as the 1944 Tonankai earthquake, was a magnitude 7.9 megathrust quake off Mie Prefecture on December 7, 1944, killing 1,223 people and generating a tsunami.