The Great Meiwa Tsunami (1771): “Tsunami Rocks of Sawada no Hama and Obiishi (Shimojishima Megalith) – Traces of the 85-meter Wave That Struck the Miyako Islands”
The Great Meiwa Tsunami, which occurred in 1771 (Meiwa 8), was a historic tsunami disaster that struck the Miyako Islands. In areas like Sunakawa and Tomori, the waves reached over 10 meters in height—enough to completely submerge a four-story building. The tsunami caused massive destruction to local communities and claimed countless lives. Its legacy continues … The Great Meiwa Tsunami (1771): “Tsunami Rocks of Sawada no Hama and Obiishi (Shimojishima Megalith) – Traces of the 85-meter Wave That Struck the Miyako Islands”
























































