Overview

• Strombolian explosions intensified overnight after seismic tremors began around 10 pm on June 1, peaking just before 1 am on June 2, according to Italy’s National Institute of Geophysics and Volcanology.
• A pyroclastic flow likely triggered by a partial collapse of the Southeast Crater’s northern flank descended toward the Valley of the Lions without breaching its edge.
• The Volcanic Ash Advisory Centre in Toulouse issued a red aviation warning that was later downgraded to orange as the ash plume moved southwest over Sicily.
• Catania Airport remains operational, though some flights have been diverted to Palermo in response to ash cloud concerns.
• Regional authorities and Sicily’s president, Renato Schifani, have assured residents there is no immediate danger despite tourists fleeing the slopes.