<Tr> <Td> 000000001933 - 03 - 02 - 0000 March 2, 1933 </Td> <Td> 8.4 M </Td> <Td> 1933 Sanriku earthquake </Td> <Td> 昭和 三陸 地震 </Td> <Td> Shōwa Sanriku Jishin </Td> <Td> 290 km (180 mi) east of the city of Kamaishi, Iwate </Td> <Td> 003000 3,000 + </Td> <Td> Kamaishi Bay, Iwate after 1933 earthquake and tsunami A major earthquake whose associated tsunami caused widespread damage to towns on the Sanriku coast of the Tōhoku region of Honshū, Japan in 1933 . </Td> </Tr> <Tr> <Td> 000000001936 - 11 - 03 - 0000 November 3, 1936 </Td> <Td> 7.2 M </Td> <Td> 1936 Miyagi earthquake </Td> <Td> 1936 年 宮城 県 沖 地震 </Td> <Td> Sen - kyūhyaku - sanjūroku - nen Miyagi - ken - oki Jishin </Td> <Td> offshore Miyagi </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 000000001943 - 09 - 10 - 0000 September 10, 1943 </Td> <Td> 7.2 M </Td> <Td> 1943 Tottori earthquake </Td> <Td> 鳥取 地震 </Td> <Td> Tottori Jishin </Td> <Td> offshore from Ketaka District </Td> <Td> 001083 1,083 </Td> <Td> An earthquake which occurred in Tottori prefecture, Japan at 17: 36 on September 10, 1943 . Although the earthquake occurred during World War II, information about the disaster was surprisingly uncensored, and relief volunteers and supplies came from many parts of the Japanese empire, including Manchukuo . The Tottori earthquake had its epicenter offshore from Ketaka District, now part of Tottori city, with a magnitude of 7.2 on the Richter Scale . The magnitude of the earthquake was 6.0 in Tottori city, and 5.0 as far away as Okayama on the Inland Sea . </Td> </Tr> <Tr> <Td> 000000001944 - 12 - 07 - 0000 December 7, 1944 </Td> <Td> 8.1 M </Td> <Td> 1944 Tōnankai earthquake </Td> <Td> 昭和 東 南海 地震 </Td> <Td> Shōwa Tōnankai Jishin </Td> <Td> 34 ° 00 ′ N 137 ° 06 ′ E ﻿ / ﻿ 34.0 ° N 137.1 ° E ﻿ / 34.0; 137.1 </Td> <Td> 001223 1,223 </Td> <Td> This earthquake occurred on Dec. 7, 1944, at 13: 35 local time (04: 35 UTC). Its moment magnitude was 8.1 and it was felt with a maximum intensity of 5 on the Shindo scale (or VII, "Severe", on the Mercalli intensity scale). It struck the provinces along the coast of the Tōkai region, causing serious damage and triggering a tsunami . The earthquake and tsunami combined killed 1,223 people, with injuries reported to have affected 20,000 people or more . </Td> </Tr>

Seismic waves created by earthquakes in japan are called