Overview

• Italy’s INGV reported strong ash emissions from Etna’s summit craters, triggering the highest aviation warning as Catania airport remained open.
• Biancavilla’s mayor imposed a 50-meter minimum distance from active lava in upper areas, allowing only escorted excursions with protective equipment.
• INGV identified the most advanced lava front above the Grotta degli Archi on Biancavilla’s slopes, where periodic explosions have been noted and no injuries reported.
• On August 22, Kilauea recorded its 31st eruptive episode since December with lava fountains around 300 meters high, confined to Halemaʻumaʻu under an Orange alert and with no homes threatened.
• HVO scientists describe an inflating magma system driving episodic fountaining and warn about hazards including Pele’s hair and volcanic gases, urging visitors to stay on marked trails and follow official alerts.