Semeru Volcano Volcanic Ash Advisory: VA ERUPTION LAST REPORTED AT 31/1217Z EST VA DTG: 31/1300Z

Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU02 at 13:16 UTC, 31/01/26 from ADRM
VA ADVISORY
DTG: 20260131/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/126
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 31/1217Z
EST VA DTG: 31/1300Z
EST VA CLD: SFC/FL150 S0809 E11252 – S0802 E11249 – S0738
E11327 – S0758 E11338 MOV NE 15KT
FCST VA CLD +6 HR: 31/1900Z SFC/FL150 S0809 E11251 – S0802
E11248 – S0737 E11327 – S0802 E11338
FCST VA CLD +12 HR: 01/0100Z SFC/FL150 S0809 E11251 – S0802
E11247 – S0738 E11327 – S0802 E11338
FCST VA CLD +18 HR: 01/0700Z SFC/FL150 S0809 E11250 – S0802
E11249 – S0744 E11331 – S0804 E11337
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. HOWEVER RECENT GROUND REPORTS INDICATE
INTERMITTENT EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT
BASED ON GROUND REPORT HIMAWARI-9 SAT IMAGERY AND AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260131/1920Z=

Shiveluch Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 31/0520Z to 22000 ft (6700 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 35 kts in NW direction.
The full report is as follows:

FVFE01 at 06:00 UTC, 31/01/26 from RJTD
VA ADVISORY
DTG: 20260131/0600Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/20
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 31/0520Z
OBS VA CLD: SFC/FL220 N6233 E16658 – N6237 E16757 – N6221 E16759 –
N6217 E16700 MOV NW 35KT
FCST VA CLD +6 HR: 31/1120Z SFC/FL220 N6422 E16137 – N6413 E16221 –
N6212 E15918 – N6219 E15750
FCST VA CLD +12 HR: 31/1720Z SFC/FL230 N6032 E15451 – N6040 E15226 –

N6219 E15125 – N6318 E15317
FCST VA CLD +18 HR: 31/2320Z SFC/FL240 N6109 E15445 – N6044 E15457 –

N6008 E15026 – N6017 E14509 – N6102 E14546
RMK: THE RESPONSIBILITY FOR THIS ASH EVENT IS BEING TRANSFERRED TO
VAAC ANCHORAGE. THE NEXT ADVISORY WILL BE ISSUED BY VAAC ANCHORAGE
BY 1200 UTC UNDER HEADER FVAK22 PAWU. SOME PART OF VA OBSCURED BY
MET CLOUD.
NXT ADVISORY: NO FURTHER ADVISORIES=

Semeru Volcano Volcanic Ash Advisory: ERUPTION LAST REPORTED AT 30/2326Z EST VA DTG: 31/0100Z

Satellite image of Semeru volcano on 31 Jan 2026

Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU02 at 01:15 UTC, 31/01/26 from ADRM
VA ADVISORY
DTG: 20260131/0120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/124
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 30/2326Z
EST VA DTG: 31/0100Z
EST VA CLD: SFC/FL150 S0809 E11253 – S0803 E11251 – S0738
E11328 – S0800 E11338 MOV NE 10KT
FCST VA CLD +6 HR: 31/0700Z SFC/FL150 S0804 E11251 – S0737
E11328 – S0751 E11340 – S0809 E11334 – S0810 E11252
FCST VA CLD +12 HR: 31/1300Z SFC/FL150 S0809 E11253 – S0804
E11251 – S0739 E11329 – S0800 E11337
FCST VA CLD +18 HR: 31/1900Z SFC/FL150 S0809 E11252 – S0803
E11251 – S0737 E11329 – S0801 E11339
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. HOWEVER RECENT GROUND REPORTS INDICATE
INTERMITTENT EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT
BASED ON GROUND REPORTS, RECENT SAT IMAGERY AND AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260131/0720Z=

Reventador Volcano Volcanic Ash Advisory: VA EM DTCTD to 16000 ft (4900 m)

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:

FVXX22 at 01:12 UTC, 31/01/26 from KNES
VA ADVISORY
DTG: 20260131/0110Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/123

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EM DTCTD

OBS VA DTG: 31/0020Z

OBS VA CLD: SFC/FL160 N0002 W07804 – S0004 W07738
– S0006 W07739 – S0005 W07806 – N0002 W07804 MOV
W 10KT

FCST VA CLD +6HR: 31/0630Z SFC/FL160 N0007 W07806
– S0003 W07739 – S0007 W07738 – S0004 W07810 –
N0007 W07806

FCST VA CLD +12HR: 31/1230Z SFC/FL160 N0006
W07807 – S0004 W07738 – S0007 W07740 – S0005
W07810 – N0006 W07807

FCST VA CLD +18HR: 31/1830Z NO VA EXP

RMK: VA EM SEEN IN STLT IMG MOVNG W AT APX 25 NMI
FM SUMMIT. EXP WNW MOVNT THRU T+12 HRS. FL AND
FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20260131/0715Z

Volcanic activity worldwide 30 Jan 2026: Santiaguito volcano, Pacaya, Fuego, Popocatépetl, Soputan,…

Map of today's active volcanoes

Map of today’s active volcanoes

Krasheninnikov (Kamchatka, Russia): The Kamchatkan Volcanic Eruption Response Team (KVERT) and Laboratory for Seismic and Volcanic Activity Research (ISVA) reported that the eruption continued at Krasheninnikov on 29 January 2026 (local). The aviation alert level was lowered to „Yellow“ (level 2 on a 4-level scale) on 29 January 2026 at 2236 by KVERT because the temperature difference between the thermal anomalies and the background started to decline around 18 January 2026.
Source: Kamchatkan Volcanic Eruption Response Team (KVERT); Laboratory for Seismic and Volcanic Activity Research (ISVA)
… [read more]

Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 25 kts in NE direction.
The full report is as follows: POSS ERUPTION OBS AT 20260130/1520Z FL220 EXTD NE OBS VA DTG:30/1530Z to 22000 ft (6700 m)
…30 Jan:
The Kamchatkan Volcanic Eruption Response Team (KVERT) and Laboratory for Seismic and Volcanic Activity Research (ISVA) reported that the eruption continued at Sheveluch on 29 January 2026 (local). The aviation alert level remained at „Orange“ (level 3 on a 4-level scale).
Source: Kamchatkan Volcanic Eruption Response Team (KVERT); Laboratory for Seismic and Volcanic Activity Research (ISVA)
… [read more]

Bezymianny (Kamchatka): The Kamchatkan Volcanic Eruption Response Team (KVERT) and Laboratory for Seismic and Volcanic Activity Research (ISVA) reported that the eruption continued at Bezymianny on 29 January 2026 (local). The aviation alert level remained at „Yellow“ (level 2 on a 4-level scale).
Source: Kamchatkan Volcanic Eruption Response Team (KVERT); Laboratory for Seismic and Volcanic Activity Research (ISVA)
… [read more]

Yake-dake (Honshu): The Japan Meteorological Agency (JMA) reported that unrest continued at Yakedake between 28 January 2026 (local) and 29 January 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]

Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 29 January 2026 (local). Plume(s) rose to a maximum of 1,500 m (4,921 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)
… [read more]

Taal (Luzon, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 29 January 2026 (local). Plume(s) rose to a maximum of 600 m (1,969 ft) above the vent. An episode of tremor lasting 508 minutes was recorded. 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 20260130/1655Z VA CLD UNKNOWN REPORTED OBS VA DTG:30/1700Z
…30 Jan:
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 29 January 2026 (local). Eruptive activity was primarily characterized by the collapse of new material associated with dome growth. Lava effusion was reported. Seismicity related to pyroclastic density currents was recorded 64 times. There were 351 seismically detected rockfalls. Crater glow was visible to the naked eye. Volcanic seismicity was recorded 21 times. Plume(s) rose to a maximum of 1,000 m (3,281 ft) above the vent. Sulfur dioxide (SO₂) emissions averaged 1,474 tonnes per day on 29 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)
… [read more]

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 29 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)
… [read more]

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 29 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)
… [read more]

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 29 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)
… [read more]

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 29 January 2026 (local). Ash and gas plume(s) rose to a maximum of 700 m (2,297 ft) above the vent. There were 105 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]

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 29 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)
… [read more]

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 29 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)
… [read more]

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 29 January 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 3 – Standby“ (on a 4-level scale).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]

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 29 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)
… [read more]

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 29 January 2026 (local). There were 92 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)
… [read more]

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 29 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 10 m (33 ft) above the vent. Seismicity related to pyroclastic density currents was recorded 1 times. There were 11 hot rockfalls, traveling up to 2,000 m. There were 99 seismically detected rockfalls. The alert level remained at „Level 3 – Standby“ (on a 4-level scale). Activity also included: seismically detected pyroclastic density current(s) (PDCs).
Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG)
… [read more]

Bromo (East Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Tengger Caldera on 29 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 400 m (1,312 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]

Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 30/1742Z EST VA DTG:30/1840Z
…30 Jan:
The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 29 January 2026 (local). Ash and gas plume(s) rose to a maximum of 700 m (2,297 ft) above the vent. There were 93 seismically detected explosions reported. There was 1 seismically detected rockfall. 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]

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 29 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)
… [read more]

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 29 January 2026 (local). Ash and gas plume(s) rose to a maximum of 200 m (656 ft) above the vent. There was 1 seismically detected explosion 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]

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 29 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)
… [read more]

Kerinci (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Kerinci on 29 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)
… [read more]

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 29 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)
… [read more]

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 29 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)
… [read more]

Kilauea (Hawai’i): The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reported that the eruption continued at Kilauea on 29 January 2026 (local). Intermittent glow was observed overnight from both vents. 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 – Hawaiian Volcano Observatory (USGS-HVO)
… [read more]

Okmok (Fox Islands, Aleutian Islands, USA): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDED
…30 Jan:
The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) issued a report for Okmok on 29 January 2026 (local). The alert level remained at „Normal“ (level 1 on a 4-level scale). The aviation alert level remained at „Green“ (level 1 on a 4-level scale).
Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO)
… [read more]

Shishaldin (Aleutian Islands, Alaska): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 28 January 2026 (local) and 29 January 2026 (local). Vapor plume(s) were reported. 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). Activity also included: thermal anomaly(ies).
Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO)
… [read more]

Great Sitkin (United States, Aleutian Islands): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that the eruption continued at Great Sitkin between 28 January 2026 (local) and 29 January 2026 (local). Lava continued to slowly erupt in the summit crater. There were seismically detected rockfalls. 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]

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 .
The full report is as follows: VA EM DETECTED to 18000 ft (5500 m)
…30 Jan:
The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 28 January 2026 (local) and 29 January 2026 (local). Ash, 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): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Santa María between 28 January 2026 (local) and 29 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 300 m (984 ft) above the vent. Crater glow was observed at Caliente dome. 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)
… [read more]

Pacaya (Guatemala): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that unrest continued at Pacaya between 28 January 2026 (local) and 29 January 2026 (local). Gas and vapor plume(s) were reported.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
… [read more]

Fuego (Guatemala): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 28 January 2026 (local) and 29 January 2026 (local). Some explosions ejected incandescent material up to 200 m above the crater rim. There were explosions reported, occurring at a rate of up to 10 per hour, with plumes rising to a maximum of 1,037 m (3,402 ft) above the vent.
Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH)
… [read more]

Turrialba (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Turrialba between 28 January 2026 (local) and 29 January 2026 (local). 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)
… [read more]

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 28 January 2026 (local) and 29 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)
… [read more]

Poas (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that the eruption continued at Poás between 28 January 2026 (local) and 29 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)
… [read more]

Sangay (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 28 January 2026 (local) and 29 January 2026 (local). Ash and gas plume(s) rose to a maximum of 1,000 m (3,281 ft) above the vent. There were 417 seismically detected explosions reported. The alert level remained at „2 – Yellow“ (on a 4-level scale). Activity also included: SO2 degassing, thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
… [read more]

Reventador (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 28 January 2026 (local) and 29 January 2026 (local). Ash and gas plume(s) rose to a maximum of 800 m (2,625 ft) above the vent. There were 74 seismically detected explosions reported. The alert level remained at „3 – Orange“ (on a 4-level scale). Activity also included: SO2 degassing, thermal anomaly(ies).
Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN)
… [read more]

Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: PUFF EMISSIONS
…30 Jan:
The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 28 January 2026 (local) and 29 January 2026 (local). A total of 6 earthquakes related to the movement of magma and gases were recorded. At 0818 on 29 January, a moderate-sized explosion was recorded, with plumes rising to a maximum of 3,400 m above the crater rim. The alert level remained at „Orange“ (level 3 on a 4-level scale).
Source: Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP)
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Ubinas (Peru): The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) issued a report for Ubinas on 29 January 2026 (local). The alert level remained at „Green“ (level 1 on a 4-level scale).
Source: Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP)
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Volcano Activity Summary for 30 Jan 2026: