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Mount Etna eruption 1991: Eruptive activity at Etna resumed in the early morning of 14 December 1991, preceded by a 9 month inflation and a seismic swarm of appreciable intensity.
Added 12/22/2022 12:26:00 PM
This answer has been confirmed as correct and helpful.
Confirmed by
olldwalet [12/26/2025 4:15:34 PM]