Semeru volcano, East Java, Indonesia: news & activity updates

Semeru Volcano Volcanic Ash Advisory: ERUPTION LAST REPORTED AT 26/0933Z EST VA DTG: 26/1310Z

Semeru Volcano (Indonesia) activity update Aug 26, 2025 - Continuing eruption

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 25 August 2025 (local). The alert level at Semeru remained at "Level 2 - Alert" (on a 4-level scale). The aviation alert level remained at "Orange" (level 3 on a 4-level scale). Read all

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 MOV NW OBS AT 26/0110Z OBS VA DTG: 26/0110Z to 15000 ft (4600 m)

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 MOV W LAST REPORTED AT 25/1208Z to 15000 ft (4600 m)

Semeru Volcano (Indonesia) activity update Aug 25, 2025 - Continuing eruption

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 22 August 2025 (local). The alert level at Semeru remained at "Level 2 - Alert" (on a 4-level scale). The aviation alert level remained at "Orange" (level 3 on a 4-level scale). There were 51 explosions reported, with plumes rising to a maximum of 200 meters (656 feet) above the vent. There were 3 seismically detected rockfalls. Read all

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 25/0110Z MOV NW OBS VA DTG: 25/0110Z to 15000 ft (4600 m)

Semeru Volcano (Indonesia) activity update Aug 24, 2025 - Continuing eruption

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 22 August 2025 (local). The alert level at Semeru remained at "Level 2 - Alert" (on a 4-level scale). The aviation alert level remained at "Orange" (level 3 on a 4-level scale). There were 51 explosions reported, with plumes rising to a maximum of 200 meters (656 feet) above the vent. There were 3 seismically detected rockfalls. Read all

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 04/0110Z MOV NW OBS VA DTG: 24/0110Z to 15000 ft (4600 m)

Semeru Volcano (Indonesia) activity update Aug 22, 2025 - Continuing eruption

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 21 August 2025 (local). The alert level at Semeru remained at "Level 2 - Alert" (on a 4-level scale). The aviation alert level remained at "Orange" (level 3 on a 4-level scale). There were 43 explosions reported, with plumes rising to a maximum of 1,000 meters (3,281 feet) above the vent. There was 1 seismically detected rockfall. Read all

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 MOV NW LAST REPORTED 22/1430Z EST VA DTG: 22/1930Z to 15000 ft (4600 m)