Video footage captures the moment a pyroclastic cloud full of volcanic gases from Indonesia’s Mount Semeru hit a bridge in East Java. The country’s volcanology agency has raised the alert to its highest level. | Al Jazeera English

🚨Indonesia’s Semeru Violently Erupted Indonesia’s Mount Semeru has erupted violently again. Ash plumes have shot up to 16–18 kilometers into the sky, while pyroclastic flows – deadly clouds of gas, ash, and rock – have rushed more than 13 kilometers down its slopes. The authorities have raised the volcano to Alert Level 4, the highest, expanded the exclusion zone to 8 km in all directions and 20 km to the southeast, and evacuated 900 residents into schools, mosques, and shelters. Climbers on th

Mount Semeru Pyroclastic Flows (Nov 19, 2025) 🔥 HORRIFYING POWER OF NATURE — Mount Semeru, Indonesia Today, colossal pyroclastic flows thundered down the slopes of Semeru, unleashing boiling ash, rock, and volcanic gas at terrifying speed. Entire valleys disappeared under massive rolling ash clouds within minutes. This is one of the deadliest volcanic forces on Earth — unstoppable, fast, and fiercely destructive. Indonesia sits on the Ring of Fire, and Semeru just reminded the world why this re

Indonesia’s Mount Semeru erupted, causing volcano spewed ash clouds as high as 1.2 miles above the mountain’s peak. | NBC News