Esan

November 18, 1846 Eruption of Esan

November 18, 1846 · VEI 1 · Deaths: many

Esan in Japan erupted on November 18, 1846 with a Volcanic Explosivity Index of 1.

Where it erupted

Esan, Japan, with its other significant eruptions.

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The eruption

Date
November 18, 1846
Volcano
Esan, stratovolcano
Country
Japan
Volcanic Explosivity Index
1, small (eruption column 100 m to 1 km)
Killed by
Mudflows and lahars
Location
41.805° N, 141.166° E

The toll

Deaths
Many (about 101 to 1,000)

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.

Many killed by mudflows. (reference #9675)

Lahar caused by eruption resulted in a large number of deaths in Todohokke, to northeast, as well as damage to houses. (reference #12936)

More

Every eruption in 1846The 1800sEsanEarthquakes near EsanThis 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 4487.