Semeru is one of the most active volcanoes in Indonesia. It is located in East Java, Indonesia. The 3,676m stratovolcano is also called Mahameru (The Great Mountain) and remains the highest volcano on Java. The volcano is popular for its regular ash explosions.
| Location: | East Java, Indonesia |
| Coordinates: | -8.106974, 112.922409 |
| Volcano Type: | Stratovolcano |
Semeru’s Location
Semeru’s Latest Status
2024: Semeru continues to erupt, producing ash plumes to 5000 meters. The volcano remains at Alert Level 3.
Semeru’s Eruptive History
| 1800’s | Earliest observed and confirmed eruptions (moslty VEI=2). |
| 1967 | Semeru reawakens after four year of dormancy with a significant VEI=3 eruption. |
| 1980’s | Almost constant eruptive activity. Frequent ash explosions, avalanches and incandescent rockfalls. |
| 1990’s | End to Vulcanian activity. Regular ash eruptions. In 1994 a pyroclastic flow killed six people. In 1996 a two kilometer long pyroclastic flow was observed. |
| 2000-2010 | An eruption on July 27, 2000 killed two people. Regular ash eruptions and pyroclastic flows. |
| 2010-2015 | Incandescent rock falls. Lava flows in 2012. |
| 2018 | After five years of low activity, thermal anomalies preceded some small ash eruptions. |
| 2019 | Multiple thermal anomalies, small ash eruptions. |
| 2020 | Ongoing eruptions, thermal anomalies recorded. |
| 2021 | Major eruption occurred in December, producing a massive pyroclastic flow. 57 people died and many villages destroyed. |
| 2022 | After almost a year of ongoing small eruptions, Semeru erupted in spectacular fashion. A pyroclastic flow was generated and travelled over 19km. |
| 2023 | Semeru remains active, producing smaller eruptions. The volcano remains at Level 3. |
| 2024 | Semeru continues to erupt, producing ash plumes to 5000 meters. The volcano remains at Alert Level 3. |
Semeru Monitoring
For monitoring of Indonesian Volcanoes, please refer to PVMBG.
Semeru Images
