June 22, 1721 Eruption of Asamayama
Asamayama in Japan erupted on June 22, 1721 with a Volcanic Explosivity Index of 1. The eruption killed 15 people.
Where it erupted
Asamayama, Japan, with its other significant eruptions.
The eruption
The toll
- Deaths
- 15
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
15 climbers killed, some sources say 5. (reference #9675)
June 22: 15 mountain-climbers were killed, and 1 was seriously injured. (reference #12936)
Other significant eruptions of Asamayama
More
Every eruption in 1721The 1700sAsamayamaEarthquakes near AsamayamaThis day in weather history
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 1133.