Merapi

December 18, 1930 Eruption of Merapi

December 18, 1930 · VEI 3 · 1,369 deaths · 1,109 houses destroyed

Merapi in Indonesia erupted on December 18, 1930 with a Volcanic Explosivity Index of 3. The eruption killed 1,369 people.

Where it erupted

Merapi, Indonesia, with its other significant eruptions.

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The eruption

Date
December 18, 1930
Volcano
Merapi, stratovolcano
Country
Indonesia
Volcanic Explosivity Index
3, moderate to large (eruption column 3 to 15 km)
Killed by
Pyroclastic flows, surges and direct blasts; Mudflows and lahars
Location
7.540° S, 110.446° E

The toll

Deaths
1,369
Damage
Severe (about $5 to $25 million)
Houses destroyed
1,109

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.

13 villages totally and 29 partially destroyed, 1,109 houses destroyed, 2,140 cattle killed. Van Bemmelen' notes that deaths were caused by nuees and the volcano observer died of burns. Thouret et al. also note lahar fatalities. (reference #9675)

Other significant eruptions of Merapi

More

Every eruption in 1930The 1900sMerapiEarthquakes near MerapiThis 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 94.