Aira

January 1946 Eruption of Aira

January 1946 · VEI 2 · 1 death

Aira in Japan erupted in January 1946 with a Volcanic Explosivity Index of 2. The eruption killed 1 person.

Where it erupted

Aira, Japan, with its other significant eruptions.

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The eruption

Date
January 1946
Volcano
Aira, stratovolcano
Country
Japan
Volcanic Explosivity Index
2, moderate (eruption column 1 to 5 km)
Location
31.577° N, 130.659° E

The toll

Deaths
1

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.

1 death. Cause not listed.

Other significant eruptions of Aira

More

Every eruption in 1946The 1900sAiraEarthquakes near Aira

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 874.