1771 Great Yaeyama Tsunami
1771 CE.
Shown on the map at 24.000°, 124.300°.
The 1771 Great Yaeyama Tsunami (also called 明和の大津波, the Great Tsunami of Meiwa) was caused by the Yaeyama Great Earthquake at about 8 A.M. on April 24, 1771, south-southeast of Ishigaki Island, part of the former Ryūkyū Kingdom and now part of present-day Okinawa, Japan. According to records, 8,439 people were killed on Ishigaki Island and 2,548 on Miyako Island.
Text from the Wikipedia article 1771 Great Yaeyama Tsunami, licensed CC BY-SA 4.0.