1498 Meiō earthquake
| Local date | September 20, 1498 |
|---|---|
| Local time | 08:00 |
| Magnitude | 8.6 Ms |
| Epicenter | 34°00′N 138°00′E / 34.0°N 138.0°E |
| Fault | Nankai megathrust |
| Areas affected | Japan |
| Tsunami | Yes |
| Casualties | 5,000–41,000 deaths |
The 1498 Meiō earthquake (明応地震 Meiō Jishin) struck off the coast of Nankaidō, Japan, at approximately 08:00 local time on September 20, 1498. With an estimated magnitude of 8.6 Ms, it triggered a massive tsunami. The exact death toll from this event remains uncertain, but reports range from 5,000 to 41,000 casualties. The tsunami, caused by the Meiō Nankaidō earthquake, washed away the building that housed the statue of the Great Buddha at Kōtoku-in in Kamakura, although the statue itself remained intact.