Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU01 at 04:41 UTC, 01/02/26 from ADRM VA ADVISORY DTG: 20260201/0500Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2026/128 INFO SOURCE: CVGHM, HIMAWARI-9 ERUPTION DETAILS: ERUPTION LAST REPORTED AT 01/0204Z EST VA DTG: 01/0440Z EST VA CLD: SFC/FL070 N0134 E12740 – N0106 E12801 – N0054 E12752 – N0057 E12736 – N0131 E12733 MOV SE 10KT FCST VA CLD +6 HR: 01/1040Z SFC/FL070 N0133 E12740 – N0106 E12802 – N0054 E12751 – N0058 E12734 – N0131 E12732 FCST VA CLD +12 HR: 01/1640Z SFC/FL070 N0133 E12740 – N0104 E12800 – N0052 E12747 – N0058 E12731 – N0131 E12733 FCST VA CLD +18 HR: 01/2240Z SFC/FL070 N0133 E12740 – N0105 E12759 – N0052 E12747 – N0058 E12731 – N0131 E12733 RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT, PAST SATELLITE IMAGERY AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260201/1100Z=
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU04 at 01:15 UTC, 01/02/26 from ADRM VA ADVISORY DTG: 20260201/0120Z VAAC: DARWIN VOLCANO: KERINCI 261170 PSN: S0142 E10116 AREA: INDONESIA SOURCE ELEV: 3800M AMSL ADVISORY NR: 2026/1 INFO SOURCE: CVGHM ERUPTION DETAILS: CVGHM VONA AT 01/0016Z ADVISE INCREASE IN VOLCANIC ACTIVITY EST VA DTG: 01/0100Z EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND SFC/FL130 250/05KT FCST VA CLD +6 HR: 01/0700Z NOT AVBL FCST VA CLD +12 HR: 01/1300Z NOT AVBL FCST VA CLD +18 HR: 01/1900Z NOT AVBL RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. NO VA OBS ON GND RPT. NXT ADVISORY: NO FURTHER ADVISORIES=
Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 20 kts in NW direction. The full report is as follows: POSS ERUPTION OBS AT 20260131/1730Z FL180 EXTD NW OBS VA DTG:31/1800Z to 18000 ft (5500 m)
Yake-dake (Honshu): The Japan Meteorological Agency (JMA) reported that unrest continued at Yakedake between 29 January 2026 (local) and 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Restriction on proximity to the crater“ (on a 5-level scale)
Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 30 January 2026 (local). Plume(s) rose to a maximum of 500 m (1,640 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] … [show less] Current Alerts: Observatory alert level: „2 – Moderate Level of Volcanic Unrest“ (on a 0–5 level scale)
Taal (Luzon, Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Taal on 30 January 2026 (local). Plume(s) rose to a maximum of 300 m (984 ft) above the vent. 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] … [show less] Current Alerts: Observatory alert level: „1 – Low-Level Unrest“ (on a 0–5 level scale)
Mayon (Luzon Island, Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20260131/1338Z VA CLD UNKNOWN REPORTED OBS VA DTG:31/1330Z …31 Jan: The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Mayon on 30 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 47 times. There were 377 seismically detected rockfalls. Volcanic seismicity was recorded 5 times. Crater glow was visible to the naked eye. Plume(s) rose to a maximum of 100 m (328 ft) above the vent. Sulfur dioxide (SO₂) emissions averaged 2,304 tonnes per day on 30 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] … [show less] Current Alerts: Observatory alert level: „3 – Increased Tendency Towards Hazardous Eruption“ (on a 0–5 level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 10 m (33 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 31/1225Z EST VA DTG:31/1640Z …31 Jan: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 30 January 2026 (local). There were 99 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 700 m (2,297 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 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 1 – Normal“ (on a 4-level scale). Source: Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 1 – Normal“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 January 2026 (local). There were 198 seismically detected explosions reported. Gas and vapor plume(s) rose to a maximum of 50 m (164 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] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
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 30 January 2026 (local). There were 21 hot rockfalls, traveling up to 1,500 m. Seismicity related to pyroclastic density currents was recorded 2 times. There were 130 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] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
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 30 January 2026 (local). Gas and vapor 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION LAST REPORTED AT 31/1346Z EST VA DTG:31/1900Z …31 Jan: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 30 January 2026 (local). There were 96 seismically detected explosions reported. Ash and gas plume(s) rose to a maximum of 1,000 m (3,281 ft) above the vent. There were 3 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] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 30 m (98 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Kerinci (Sumatra): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that unrest continued at Kerinci on 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
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 30 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 25 m (82 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Kilauea (Hawai’i): The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reported that the eruption continued at Kilauea on 30 January 2026 (local). Intermittent moderate glow was observed from the south vent, while occasional minor glow was noted from the north vent in webcam footage overnight. 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] … [show less] Current Alerts: Observatory alert level: „Watch“ (level 3 on a 4-level scale)
Okmok (Fox Islands, Aleutian Islands, USA): Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: N/A
Shishaldin (Aleutian Islands, Alaska): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 29 January 2026 (local) and 30 January 2026 (local). Gas and 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: SO2 degassing, thermal anomaly(ies). Source: United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) … [read more] … [show less] Current Alerts: Observatory alert level: „Advisory“ (level 2 on a 4-level scale)
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 29 January 2026 (local) and 30 January 2026 (local). Vapor plume(s) were reported. 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] … [show less] Current Alerts: Observatory alert level: „Watch“ (level 3 on a 4-level scale)
Popocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NO FURTHER VA DETECTED …31 Jan: The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 29 January 2026 (local) and 30 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] … [show less] Current Alerts: Observatory alert level: „Yellow Alert – Phase 2“ (level 4 on a 7-level scale)
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 EM DTCTD to 14000 ft (4300 m) …31 Jan: The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Santa María between 29 January 2026 (local) and 30 January 2026 (local). Lava extrusion at Caliente Dome continued. Rockfalls accompanied by short-range pyroclastic density currents (PDCs), or pyroclastic flows, that did not extend beyond the base of the dome. There were rockfalls. There were explosions reported, with plumes rising to a maximum of 3,200 m (10,499 ft) above the vent. Ash fall was reported in Las Marías, Calaguache, Loma Linda, and San Marcos Palajunoj. Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) … [read more] … [show less] Current Alerts: Observatory alert level: unavailable or not collected
Pacaya (Guatemala): The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that unrest continued at Pacaya between 29 January 2026 (local) and 30 January 2026 (local). Gas and vapor plume(s) rose to a maximum of 150 m (492 ft) above the vent. Source: Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) … [read more] … [show less] Current Alerts: Observatory alert level: unavailable or not collected
Fuego (Guatemala): 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 CONT to 16000 ft (4900 m) …31 Jan: The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 29 January 2026 (local) and 30 January 2026 (local). There were explosions reported, with plumes rising to a maximum of 937 m (3,074 ft) above the vent. Incandescent material was ejected in pulses up to 300 m 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) … [read more] … [show less] Current Alerts: Observatory alert level: unavailable or not collected
Turrialba (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that unrest continued at Turrialba between 29 January 2026 (local) and 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Warning“ (on a 0–4 level scale)
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 29 January 2026 (local) and 30 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). Activity also included: low-frequency (LF) seismicity. Source: Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 2 – Warning“ (on a 0–4 level scale)
Poas (Costa Rica): The Observatorio Vulcanológico y Sismológico de Costa Rica – Universidad Nacional (OVSICORI-UNA) reported that the eruption continued at Poás between 29 January 2026 (local) and 30 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Warning“ (on a 0–4 level scale)
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 . The full report is as follows: OCNL VA EMS to 21000 ft (6400 m) …31 Jan: The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 29 January 2026 (local) and 30 January 2026 (local). There were 257 seismically detected explosions reported. 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) … [read more] … [show less] Current Alerts: Observatory alert level: „2 – Yellow“ (on a 4-level scale)
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMS …31 Jan: The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 29 January 2026 (local) and 30 January 2026 (local). Due to transmission issues, IG-EPN has been unable to monitor ash and/or gas emissions via the surveillance camera system. Additionally, seismicity was not recorded. The alert level remained at „3 – Orange“ (on a 4-level scale). Source: Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) … [read more] … [show less] Current Alerts: Observatory alert level: „3 – Orange“ (on a 4-level scale)
Sabancaya (Peru): The Centro Vulcanológico Nacional del Instituto Geofísico del Perú (CENVUL-IGP) reported that the eruption continued at Sabancaya between 29 January 2026 (local) and 30 January 2026 (local). Ash, gas, and vapor plume(s) rose to a maximum of 1,700 m (5,577 ft) above the vent. A total of 13 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) … [read more] … [show less] Current Alerts: Observatory alert level: „Orange“ (level 3 on a 4-level scale)
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU01 at 16:57 UTC, 31/01/26 from ADRM VA ADVISORY DTG: 20260131/1700Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2026/126 INFO SOURCE: CVGHM, HIMAWARI-9 ERUPTION DETAILS: ERUPTION LAST REPORTED AT 31/1225Z EST VA DTG: 31/1640Z EST VA CLD: SFC/FL070 N0131 E12732 – N0136 E12738 – N0120 E12810 – N0104 E12808 – N0058 E12747 MOV SE 10KT FCST VA CLD +6 HR: 31/2240Z SFC/FL070 N0130 E12734 – N0134 E12739 – N0113 E12807 – N0059 E12801 – N0056 E12745 FCST VA CLD +12 HR: 01/0440Z SFC/FL070 N0133 E12739 – N0113 E12808 – N0059 E12801 – N0056 E12744 – N0129 E12733 FCST VA CLD +18 HR: 01/1040Z SFC/FL070 N0133 E12738 – N0109 E12806 – N0057 E12754 – N0059 E12738 – N0129 E12732 RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORT, PAST SATELLITE IMAGERY AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260131/2300Z=
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=
