Kusatsu-Shirane (Honshu): (26 Mar) The Japan Meteorological Agency (JMA) reported that unrest continued at Kusatsu-Shiranesan between 23 March 2026 (local) and 25 March 2026 (local). The alert level remained at „Level 2 – Restriction on proximity to the crater“ (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
… [read more]
Sakurajima (Kyushu, Japan): (26 Mar) The Japan Meteorological Agency (JMA) reported that the eruption continued at Aira between 23 March 2026 (local) and 25 March 2026 (local). The alert level remained at „Level 3 – Restriction on proximity to the volcano“ (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
… [read more]
Canlaon (Central Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260326/1510Z FL090 REPORTED OBS VA DTG:26/1510Z
…26 Mar:
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 25 March 2026 (local). A total of 3 ash emission events lasting 7 to 290 minutes were recorded. The alert level remained at „2 – Moderate Level of Volcanic Unrest“ (on a 0–5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
… [read more]
Taal (Luzon, Philippines): (26 Mar) The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 25 March 2026 (local). The alert level remained at „1 – Low-Level Unrest“ (on a 0–5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
… [read more]
Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260326/1358Z FL120 EXTD SSW REPORTED OBS VA DTG:26/1400Z
…26 Mar:
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 25 March 2026 (local). Lava effusion continued from the summit crater. As of 25 March, lava flow lengths remained at 3.8 km in the Basud Gully (E flank), 3.2 km in the Bonga Gully (SE flank), and 1.3 km in the Mi-isi Gully (S flank). Short-lived lava fountaining was observed. Minor episodic Strombolian activity was observed. There were 301 seismically detected rockfalls. Crater glow was visible to the naked eye. Sulfur dioxide (SO₂) emissions averaged 2,286 tonnes per day on 25 March. Plume(s) rose to a maximum of 100 m (328 ft) above the vent. The alert level remained at „3 – Increased Tendency Towards Hazardous Eruption“ (on a 0–5 level scale). Activity also included: inflationary deformation, seismically detected pyroclastic density current(s) (PDCs), tremor, volcanic seismicity.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
… [read more]
Bulusan (Luzon Island, Philippines): (26 Mar) The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that unrest continued at Bulusan on 25 March 2026 (local). The alert level remained at „1 – Low Level of Volcanic Unrest“ (on a 0–5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
… [read more]
Karangetang (Siau Island, Sangihe Islands, Indonesia): (26 Mar) The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Karangetang on 25 March 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 10 kts in NE direction.
The full report is as follows: VA TO FL060 OBS AT 26/1110Z OBS VA DTG:26/1110Z to 6000 ft (1800 m)
…26 Mar:
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 25 March 2026 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. There were 104 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 500 m (1,640 ft) above the vent. The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Lewotobi (Flores): (26 Mar) 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 25 March 2026 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 ft) above the vent. The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Lewotolo (Lesser Sunda Islands): (26 Mar) The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotolok on 25 March 2026 (local). There were 4 seismically detected explosions reported. The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Merapi (Central Java, Indonesia): (26 Mar) The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Merapi on 25 March 2026 (local). Gas and vapor plume(s) rose to a maximum of 50 m (164 ft) above the vent. There were 141 seismically detected rockfalls. The alert level remained at „Level 3 – Standby“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in SE direction.
The full report is as follows: VA TO FL150 REP AT 25/2305Z EST VA DTG:26/1030Z to 15000 ft (4600 m)
…26 Mar:
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 25 March 2026 (local). There were 71 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 800 m (2,625 ft) above the vent. There were 3 seismically detected rockfalls. The alert level remained at „Level 3 – Standby“ (on a 4-level scale). Activity also included: seismically detected flowage event(s).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Marapi (Western Sumatra, Indonesia): (26 Mar) The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Marapi on 25 March 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Dukono (Halmahera): (26 Mar) The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 25 March 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]
Kilauea (Hawai’i): (26 Mar) The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reported that there was a pause in eruptive activity at Kilauea between 24 March 2026 (local) and 25 March 2026 (local). Intermittent glow was observed from the north and south vents throughout the night. The alert level remained at „Orange“ (level 3 on a 4-level scale). The alert level remained at „Watch“ (level 3 on a 4-level scale).
Source: United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO)
… [read more]
Shishaldin (Aleutian Islands, Alaska): (26 Mar) The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 24 March 2026 (local) and 25 March 2026 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale).
Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO)
… [read more]
Great Sitkin (United States, Aleutian Islands): (26 Mar) The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that the eruption continued at Great Sitkin between 24 March 2026 (local) and 25 March 2026 (local). Lava continued to slowly erupt in the summit crater. The alert level remained at „Watch“ (level 3 on a 4-level scale). The aviation alert level remained at „Orange“ (level 3 on a 4-level scale).
Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO)
… [read more]
Atka (United States, Aleutian Islands): (26 Mar) The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Atka Volcanic Complex between 24 March 2026 (local) and 25 March 2026 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale).
Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO)
… [read more]
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 5 kts in W direction.
The full report is as follows: REMNANT VA MVG N to 22000 ft (6700 m)
…26 Mar:
The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 24 March 2026 (local) and 25 March 2026 (local). Gas and vapor plume(s) were reported. The alert level remained at „Yellow Alert – Phase 2“ (level 4 on a 7-level scale).
Source: Centro Nacional de Prevención de Desastres (CENAPRED)
… [read more]
Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: NEW VA EMS to 13000 ft (4000 m)
Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LGT VA EMS
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 .
The full report is as follows: VA EM DETECTED to 22000 ft (6700 m)
…26 Mar:
The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 24 March 2026 (local) and 25 March 2026 (local). The alert level remained at „2 – Yellow“ (on a 4-level scale).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
… [read more]
Reventador (Ecuador): (26 Mar) The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 24 March 2026 (local) and 25 March 2026 (local). The alert level remained at „3 – Orange“ (on a 4-level scale).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
… [read more]
Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: NO VA ERUPTION
…26 Mar:
The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 24 March 2026 (local) and 25 March 2026 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 ft) above the vent. A total of 9 earthquakes related to the movement of magma and gases were recorded. Ground deformation data indicated slight inflation centered on the N sector of the volcano complex (nevado Hualca Hualca, located approximately 7 km N). The alert level remained at „Orange“ (level 3 on a 4-level scale).
Source: Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP)
… [read more]
Piton de la Fournaise (La Réunion): (26 Mar) The Institut de Physique du Globe de Paris – Observatoire volcanologique du Piton de la Fournaise (IPGP-OVPF) reported that the eruption continued at Fournaise, Piton de la on 25 March 2026 (local). Only the main S branch remained active; the lava flow fronts of both N branches were stagnant at approximately 660 m and 690 m elevation. The alert level remained at „Alert 2-2“ (level 3 on a 0–4 level scale).
Source: Institut de Physique du Globe de Paris – Observatoire volcanologique du Piton de la Fournaise (IPGP-OVPF)
… [read more]
