Semeru

September 19, 1978 Eruption of Semeru

September 19, 1978 · VEI 3 · 12 deaths

Semeru in Indonesia erupted on September 19, 1978 with a Volcanic Explosivity Index of 3. The eruption killed 12 people.

Where it erupted

Semeru, Indonesia, with its other significant eruptions.

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The eruption

Date
September 19, 1978
Volcano
Semeru, stratovolcano
Country
Indonesia
Volcanic Explosivity Index
3, moderate to large (eruption column 3 to 15 km)
Killed by
Mudflows and lahars
Location
8.108° S, 112.922° E

The toll

Deaths
12

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.

(reference #9675)

Other significant eruptions of Semeru

More

Every eruption in 1978The 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 204.