News and Updates on Volcanoes and Earthquakes

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Merapi on 27 August 2025 (local). The alert level at Merapi remained at "Level 3 - Standby" (on a 4-level scale). ... Read all

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Marapi on 27 August 2025 (local). The alert level at Marapi remained at "Level 2 - Alert" (on a 4-level scale). ... Read all

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotolok on 27 August 2025 (local). The alert level at Lewotolok remained at "Level 3 - Standby" (on a 4-level scale). ... Read all

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotobi (Laki-Laki) on 27 August 2025 (local). The alert level at Lewotobi (Laki-Laki) remained at "Level 3 - Standby" (on a 4-level scale). The aviation alert level remained at "Orange" (level 3 on a 4-level scale). ... Read all

The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 26 August 2025 (local) and 27 August 2025 (local). The alert level at Fuego was unavailable or not collected. There were explosions reported, occurring at a rate of up to 11 per hour, with plumes rising to a maximum of 1,037 meters (3,402 feet) above the vent. Some explosions ejected incandescent material up to 200 meters above the vent. Explosions were occasionally accompanied by rumbling sounds. ... Read all

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dempo on 27 August 2025 (local). The alert level at Dempo remained at "Level 2 - Alert" (on a 4-level scale). ... Read all

The United States Geological Survey - Alaska Volcano Observatory (USGS-AVO) reported that unrest activity increased at Shishaldin between 26 August 2025 (local) and 27 August 2025 (local). The alert level at Shishaldin remained at "Advisory" (level 2 on a 4-level scale). The aviation alert level remained at "Yellow" (level 2 on a 4-level scale). Other activity included: SO2 degassing, volcanic seismicity. ... Read all

The Japan Meteorological Agency (JMA) reported that unrest activity increased at Kusatsu-Shiranesan between 26 August 2025 (local) and 27 August 2025 (local). The alert level at Kusatsu-Shiranesan remained at "Level 2 - Restriction on proximity to the crater" (on a 5-level scale). ... Read all

The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest activity increased at Kelimutu on 27 August 2025 (local). The alert level at Kelimutu remained at "Level 1 - Normal" (on a 4-level scale). ... Read all