El Chichon

May 27, 1982 Eruption of El Chichon

May 27, 1982 · VEI 5 · 1 death

El Chichon in Mexico erupted on May 27, 1982 with a Volcanic Explosivity Index of 5. The eruption killed 1 person.

Where it erupted

El Chichon, Mexico, with its other significant eruptions.

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The eruption

Date
May 27, 1982
Volcano
El Chichon, tuff cone
Country
Mexico
Volcanic Explosivity Index
5, very large (eruption column over 25 km)
Killed by
Secondary (post-eruption) mudflows
Location
17.360° N, 93.230° W

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.

Failure of pumice dam from pyroclastic flow caused rapid drainage of lake at Francisco Leon. One worker at hydroelectric plant downstream killed.

Other significant eruptions of El Chichon

More

Every eruption in 1982The 1900sEl ChichonEarthquakes near El ChichonThis 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 4494.