Mount Semeru
Indonesia | Elevation: 3676m
Coordinates: -8.108, 112.922
About
The highest peak in Java. Known for frequent eruptions with pyroclastic flows.
Eruption History
1818VEI 2
1877VEI 2
1941VEI 3
1967VEI 3
2021VEI 3
2021VEI 3
Pyroclastic flow killed 51 people1967VEI 3
Ongoing eruptive period begins1941VEI 3
1877VEI 2
1818VEI 2
VEI Scale (Volcanic Explosivity Index)
1
2
3
4
5
6
Current Volcash Score
Real-time volcanic ash risk data is available via the Volcash API. Use the interactive map for live monitoring.
View on MapSafety Information
During Ash Fall
Stay indoors, close windows, wear N95 masks if outside. Protect electronics and water supplies.
For Outdoor Activities
Check the Volcash score before running, cycling, hiking, or other outdoor activities near active volcanoes.