Krasheninnikov (Kamchatka, Russia): (22 Jan) The effusive eruption at the volcano continues.
The lava flow on the eastern flank remains active. In addition, degassing continues from the summit vent.
Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 21 January 2026 (local). Plume(s) rose to a maximum of 300 m (984 ft) above the vent. 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)
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Taal (Luzon, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 21 January 2026 (local). Plume(s) rose to a maximum of 450 m (1,476 ft) above the vent. An episode of continuous tremor, which began at 0900 on 21 January, persisted. The alert level remained at „1 – Low-Level Unrest“ (on a 0–5 level scale).
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260122/1706Z VA CLD UNKNOWN REPORTED OBS VA DTG:22/1720Z
…22 Jan:
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 21 January 2026 (local). Eruptive activity was primarily characterized by the collapse of new material associated with dome growth. Lava effusion was reported. Minor, episodic Strombolian activity was observed. There were 317 seismically detected rockfalls. Sulfur dioxide (SO₂) emissions averaged 1,281 tonnes per day on 21 January. The alert level remained at „3 – Increased Tendency Towards Hazardous Eruption“ (on a 0–5 level scale). Activity also included: seismically detected pyroclastic density current(s) (PDCs), volcanic seismicity.
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
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Telong (northern Sumatra, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Telong, Bur ni on 21 January 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)
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Karangetang (Siau Island, Sangihe Islands, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Karangetang on 21 January 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)
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Raung (East Java): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Raung on 21 January 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)
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Ibu (Halmahera, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 21 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. There were 124 seismically detected explosions reported. The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Activity also included: felt seismicity.
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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Tangkubanparahu (West Java): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) issued a report for Tangkuban Parahu on 21 January 2026 (local). The alert level remained at „Level 1 – Normal“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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Sangeang Api (Flores Sea, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Sangeang Api on 21 January 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)
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Lewotobi (Flores): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Lewotobi (Laki-Laki) on 21 January 2026 (local). 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)
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Soputan (North Sulawesi, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Soputan on 21 January 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)
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Lewotolo (Lesser Sunda Islands): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Lewotolok on 21 January 2026 (local). There were 648 seismically detected explosions reported. 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)
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Merapi (Central Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Merapi on 21 January 2026 (local). There were 2 hot rockfalls, traveling up to 1,800 m. 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)
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Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 22/1634Z EST VA DTG:22/1640Z
…22 Jan:
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 21 January 2026 (local). There were 121 seismically detected explosions reported. There were 4 seismically detected rockfalls. 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)
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Marapi (Western Sumatra, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Marapi on 21 January 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)
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Dukono (Halmahera): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Dukono on 21 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 250 m (820 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)
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Awu (Sulawesi & Sangihe Islands): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Awu on 21 January 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)
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Kerinci (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Kerinci on 21 January 2026 (local). The alert level remained at „Level 2 – Alert“ (on a 4-level scale). Activity also included: felt seismicity.
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
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Iliwerung (Lesser Sunda Islands): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Iliwerung on 21 January 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)
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Lokon-Empung (North Sulawesi, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Lokon-Empung on 21 January 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)
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Aoba (Vanuatu): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 15 kts in E direction.
The full report is as follows: CONTINUOUS ERUPTION, ERUPTION AT 20260121/2230Z to 7000 ft (2100 m)
Popocatépetl (Central Mexico): The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 20 January 2026 (local) and 21 January 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)
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Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows: VA CDL OBS to 14000 ft (4300 m)
…22 Jan:
The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Santa María between 20 January 2026 (local) and 21 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 300 m (984 ft) above the vent. Crater incandescence was observed during the night and early morning hours. There were explosions reported, occurring at a rate of up to 2 per hour, with plumes rising to a maximum of 800 m (2,625 ft) above the vent. There were incandescent rockfalls.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
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Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows: ONGOING VA EMS to 14000 ft (4300 m)
…22 Jan:
The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 20 January 2026 (local) and 21 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 300 m (984 ft) above the vent. Incandescent material was ejected in pulses up to 200 m above the vent, resulting in the crater area being covered with incandescent rock fragments. There were explosions reported, occurring at a rate of up to 10 per hour, with plumes rising to a maximum of 4,700 m (15,420 ft) above the vent. There were incandescent rockfalls. Activity also included: audible sounds (e.g., booms, rumbling), shockwave.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
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Turrialba (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Turrialba between 20 January 2026 (local) and 21 January 2026 (local). The alert level remained at „Level 2 – Warning“ (on a 0–4 level scale).
Source: Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA)
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Rincón de la Vieja (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Rincón de la Vieja between 20 January 2026 (local) and 21 January 2026 (local). The alert level remained at „Level 2 – Warning“ (on a 0–4 level scale).
Source: Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA)
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Poas (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that the eruption continued at Poás between 20 January 2026 (local) and 21 January 2026 (local). The alert level remained at „Level 2 – Warning“ (on a 0–4 level scale). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale).
Source: Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA)
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Puracé (Colombia): The Servicio Geológico Colombiano (SGC) reported that the eruption continued at Puracé between 20 January 2026 (local) and 21 January 2026 (local). A total of 1 ash emission event was recorded, with plumes rising to a maximum of 300 m above the crater rim. SGC’s surveillance camera captured the ash emission event at 1239 on 20 January. Satellite observations indicated a slight decrease in the intensity of thermal anomalies within the crater. Seismicity associated with low-magnitude rock-fracturing activity was recorded primarily beneath the Piocollo volcano, at depths between 1 and 2 km. Seismic tremor pulses continued to be recorded at depths of less than 1 km beneath the crater of Puracé. Long-period (LP) seismic events continued to be recorded at depths of less than 1 km beneath the crater of Puracé. Degassing activity was observed from fissures in the craters of the Curiquinga and Piocollo volcanoes. The alert level remained at „Orange“ (level 3 on a 4-level scale). Activity also included: SO2 degassing.
Source: Servicio Geológico Colombiano (SGC)
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Sangay (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that eruptive activity increased at Sangay between 20 January 2026 (local) and 21 January 2026 (local). Ash and gas plume(s) rose to a maximum of 1,500 m (4,921 ft) above the vent. Satellite imagery from 20 January indicated a small lava flow descending the SE flank. The extent of the lava flow was confined to the crater area. There were 374 seismically detected explosions reported. Satellite data indicated an increase in sulfur dioxide (SO₂) emissions over the past week. The alert level remained at „2 – Yellow“ (on a 4-level scale). Activity also included: thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
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Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows: VA EMS LKLY OBS to 16000 ft (4900 m)
…22 Jan:
The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 20 January 2026 (local) and 21 January 2026 (local). Ash and gas plume(s) rose to a maximum of 1,000 m (3,281 ft) above the vent. There were 94 seismically detected explosions reported. The alert level remained at „3 – Orange“ (on a 4-level scale). Activity also included: thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
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Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 35000 ft (10700 m) altitude or flight level 350 and is moving at 10 kts in SE direction.
The full report is as follows: PUFF EMISSION to 35000 ft (10700 m)
…22 Jan:
The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 20 January 2026 (local) and 21 January 2026 (local). Ash, gas, and vapor plume(s) rose to a maximum of 1,000 m (3,281 ft) above the vent. A total of 12 earthquakes related to the movement of magma and gases were recorded. The alert level remained at „Orange“ (level 3 on a 4-level scale). Activity also included: thermal anomaly(ies).
Source: Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP)
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Piton de la Fournaise (La Réunion): 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 21 January 2026 (local). The alert level remained at „Alert 2-1“ (level 2 on a 0–4 level scale).
Source: Institut de Physique du Globe de Paris – Observatoire volcanologique du Piton de la Fournaise (IPGP-OVPF)
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