🌋 Deadliest Volcanic Activitys in Recorded History

Direct answer: the deadliest volcanic activity in our documented records is the 1815 Mount Tambora Eruption (1815), with an estimated 71,000 deaths (Includes eruption deaths and subsequent famine/disease; estimates vary widely). Death tolls for events before modern record-keeping vary widely between sources; every figure below links to its citation.

← All deadliest disasters

#EventTypeCountryYearEstimated deaths
1 1815 Mount Tambora Eruption Volcanic Activity Indonesia 1815 71,000 *
2 1883 Krakatoa Eruption and Tsunami Volcanic Activity Indonesia 1883 36,000 *
3 1985 Nevado del Ruiz Eruption (Armero Tragedy) Volcanic Activity Colombia 1985 23,000 *

* Figures marked with an asterisk carry significant uncertainty — open each event for its sources and uncertainty note. Historical death tolls, especially before 1900, are estimates that differ between reputable sources. Coverage depends on available documentation; see our methodology.