Global volcanic Alert: Increased Activity Across Multiple Regions
A surge in volcanic unrest is being closely monitored across the globe, with recent reports indicating heightened activity at several volcanoes in Indonesia, Central America, and the Pacific region. Alerts range from ash advisories impacting air travel to ongoing monitoring of potential eruption scenarios, prompting increased vigilance from geological survey organizations worldwide.
Volcanic activity is a constant geological process, but recent updates from sources including the Smithsonian Institution, the U.S. Geological Survey (USGS), and Volcanodiscovery.com reveal a cluster of escalating events. These developments underscore the potential for widespread disruption, notably for communities near active volcanoes and the aviation industry. Several volcanoes are exhibiting signs of increased unrest, including Santiaguito (Guatemala), Fuego (Guatemala), Barren Island (Andaman Islands, India), Semeru (East Java, Indonesia), Ibu (Halmahera Island, Indonesia), and Revard Volcano (Alaska).
Recent activity reports detail the following: Santiaguito volcano continues to exhibit ongoing activity,with the Smithsonian / USGS Weekly Volcanic Activity Report last updated on 22 Jan 2025. Fuego, also in Guatemala, is under close observation. In the Andaman Islands, Barren Island remains a focus of monitoring. Indonesian volcanoes Semeru and Ibu are experiencing heightened activity, with updates from the Smithsonian Daily Volcanic Activity Report on 24 Dec 2024 and 11 Sep 2024 respectively. Revard Volcano (Alaska) is also being monitored.
Further afield, Puyehue-Cordón Caulle (Central Chile and Argentina) issued a Volcanic Ash Advisory on 29 Apr 2024. Raung (East Java) had a Smithsonian Daily Volcanic Activity Report update on 24 Dec 2024, while Rincón de la Vieja (Costa Rica) was last reported on 29 Oct 2023.San Cristobal (Nicaragua) and Telica (Nicaragua) are under Smithsonian / USGS Weekly Volcanic Activity Report monitoring (updated 9 Jun 2024 and 15 Jan 2025, respectively). Seulawah Agam (Sumatra, Indonesia) issued a Volcanic Ash Advisory on 16 Nov 2024.
Additional volcanoes with recent updates include Shishaldin (Aleutian Islands, Alaska) with a volcanic Ash Advisory on 26 Aug 2025, Taal (Luzon, Philippines) with a Volcanic Ash Advisory on 26 Oct 2025, Tinguiririca (Central Chile and Argentina) with a Volcanic Ash Advisory on 10 Oct 2025, Tofua (Tonga Islands) with a Smithsonian / USGS Weekly Volcanic Activity Report update on 28 Apr 2024, Ubinas (Peru) with a Smithsonian / USGS Weekly Volcanic activity Report update on 19 Nov 2023, Ulawun (New Britain, Papua New Guinea) with a Smithsonian / USGS Weekly Volcanic Activity Report update on 30 Nov 2023, Villarrica (Central Chile) with a Smithsonian / USGS Weekly Volcanic Activity report update on 28 Dec 2024, and White Island (New Zealand) with a Volcanic Ash Advisory on 4 Nov 2025.
