Semeru

May 14, 1981 Eruption of Semeru

May 14, 1981 · VEI 3 · 372 deaths

Semeru in Indonesia erupted on May 14, 1981 with a Volcanic Explosivity Index of 3. The eruption killed 372 people.

Where it erupted

Semeru, Indonesia, with its other significant eruptions.

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The eruption

Date
May 14, 1981
Volcano
Semeru, stratovolcano
Country
Indonesia
Volcanic Explosivity Index
3, moderate to large (eruption column 3 to 15 km)
Killed by
Secondary (post-eruption) mudflows
Location
8.108° S, 112.922° E

The toll

Deaths
372
Missing
120
Injuries
152

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.

Secondary lahar due to heavy rainfall dislodged pyroclastic debris down Tunggeng and Sat rivers, killing 252 plus 120 missing, and injuring 152. Siswowidjoyo listed 275 fatalities, Witham a range of 192-378. (reference #9675)

Other significant eruptions of Semeru

More

Every eruption in 1981The 1900sSemeruEarthquakes near SemeruThis 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 6366.