1797 Eruption of Aira
Aira in Japan erupted in 1797 with a Volcanic Explosivity Index of 2. It caused a tsunami.
Where it erupted
Aira, Japan, with its other significant eruptions.
The eruption
- Date
- 1797
- Volcano
- Aira, stratovolcano
- Country
- Japan
- Volcanic Explosivity Index
- 2, moderate (eruption column 1 to 5 km)
- Killed by
- Tephra (ash, bombs, lapilli, steam blasts); Waves or tsunami
- Tsunami
- Yes: the tsunami it caused
- Location
- 31.577° N, 130.659° E
The toll
The record gives no deaths, injuries or damage for this eruption.
What the record says
NCEI’s account, from the sources it cites.
1797: Large volume of tephra fall, crop damage. (Reference #12935)
*No mention of the tsunami in Reference #150
Other significant eruptions of Aira
More
Sources
Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 7535.