Asosan

April 27, 1953 Eruption of Asosan

April 27, 1953 · VEI 2 · 6 deaths

Asosan in Japan erupted on April 27, 1953 with a Volcanic Explosivity Index of 2. The eruption killed 6 people.

Where it erupted

Asosan, Japan, with its other significant eruptions.

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The eruption

Date
April 27, 1953
Volcano
Asosan, caldera
Country
Japan
Volcanic Explosivity Index
2, moderate (eruption column 1 to 5 km)
Killed by
Tephra (ash, bombs, lapilli, steam blasts)
Location
32.885° N, 131.085° E

The toll

Deaths
6

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.

6 tourists killed near crater rim.

Other significant eruptions of Asosan

More

Every eruption in 1953The 1900sAsosanEarthquakes near AsosanThis 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 1012.