1941 Andaman Islands earthquake
1941 CE.
Shown on the map at 12.017°, 92.575°.
The 1941 Andaman Islands earthquake struck the Andaman Islands on June 26 with a magnitude of 7.7 to 8.1. Details of this event are poorly known as much of Southeast Asia was in the turmoil of World War II. The quake caused severe damage in the Andaman Islands. The tsunami it triggered was reported along the Andaman and Nicobar Islands, India and British Ceylon (now known as Sri Lanka). There may have been damage and deaths in Bangladesh, Myanmar, and Thailand due to the tsunami.
Text from the Wikipedia article 1941 Andaman Islands earthquake, licensed CC BY-SA 4.0.