February 1854 Eruption of Asosan

Name: February 1854 Eruption of Asosan
Start: 1854-02
Location: Asosan, Japan

February 1854 · VEI 2 · 3 deaths

Asosan in Japan erupted in February 1854 with a Volcanic Explosivity Index of 2. The eruption killed 3 people.

Where it erupted

Asosan, Japan, with its other significant eruptions.

Open the live map with volcanic ash advisories and webcams

The eruption

Date: February 1854
Volcano: Asosan, caldera
Country: Japan
Volcanic Explosivity Index: 2, moderate (eruption column 1 to 5 km)
Location: 32.885° N, 131.085° E

The toll

Deaths: 3

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.

Sapper mentions thunder, earthquakes, and eruption of muddy water, but cause of deaths not known. These were 3 pilgrims who came to crater to pray.

Other significant eruptions of Asosan

Every eruption in 1854 The 1800s Asosan Earthquakes near Asosan

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 994.