Overview
- Authorities escalated the alert twice to Level IV as activity intensified on East Java’s highest volcano.
- Eruptions sent hot clouds and debris down the slopes multiple times, while an initial ash column near 2 kilometers later appeared to exceed 5.6 kilometers under poor visibility.
- Officials urged residents to keep more than 2.5 kilometers from river channels that could funnel hot material or trigger later mudflows.
- Ashfall coated several villages as emergency teams organized precautionary evacuations and monitored air quality and deposition.
- No casualties have been reported, and monitoring continues at a volcano with a deadly 2021 eruption and a long record of frequent activity in Indonesia’s Ring of Fire.