Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 20 kts in SE direction. The full report is as follows:
FVFE01 at 09:09 UTC, 05/12/25 from RJTD VA ADVISORY DTG: 20251205/0909Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SOURCE ELEV: 1117M AMSL ADVISORY NR: 2025/446 INFO SOURCE: JMA HIMAWARI-9 ERUPTION DETAILS: ERUPTED AT 20251205/0831Z FL090 EXTD SE OBS VA DTG: 05/0850Z OBS VA CLD: SFC/FL090 N3136 E13036 – N3137 E13041 – N3126 E13047 – N3127 E13039 MOV SE 20KT FCST VA CLD +6 HR: 05/1450Z SFC/FL080 N3051 E13239 – N3033 E13249 – N3107 E13016 – N3124 E13013 FCST VA CLD +12 HR: 05/2050Z SFC/FL080 N3118 E13156 – N3039 E13417 –
N3015 E13339 – N3132 E13007 – N3206 E13017 – N3203 E13139 FCST VA CLD +18 HR: NO VA EXP RMK: NIL NXT ADVISORY: 20251205/1200Z=
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 . The full report is as follows:
FVAU01 at 05:00 UTC, 05/12/25 from ADRM VA ADVISORY DTG: 20251205/0500Z VAAC: DARWIN VOLCANO: MANAM 251020 PSN: S0405 E14502 AREA: PAPUA NEW GUINEA SOURCE ELEV: 1807M AMSL ADVISORY NR: 2025/32 INFO SOURCE: HIMAWARI-9 RVO WEBCAM ERUPTION DETAILS: VA TO FL080 OBS AT 05/0030Z MOV SW. EST VA DTG: 05/0440Z EST VA CLD: SFC/FL080 S0403 E14505 – S0422 E14507 – S0423 E14449 – S0410 E14444 – S0401 E14501 MOV SW 05KT FCST VA CLD +6 HR: 05/1040Z SFC/FL080 S0402 E14500 – S0402 E14505 – S0420 E14510 – S0424 E14459 – S0415 E14447 FCST VA CLD +12 HR: 05/1640Z SFC/FL080 S0403 E14459 – S0401 E14503 – S0411 E14518 – S0423 E14510 – S0421 E14456 FCST VA CLD +18 HR: 05/2240Z SFC/FL080 S0404 E14458 – S0401 E14502 – S0412 E14521 – S0424 E14504 RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. HEIGHT AND MOV BASED ON MODEL GUIDANCE AND HIMAWARI-9 SAT. NXT ADVISORY: NO LATER THAN 20251205/1100Z=
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington 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 NW direction. The full report is as follows:
FVPS01 at 00:35 UTC, 05/12/25 from NZKL VA ADVISORY DTG: 20251205/0035Z VAAC: WELLINGTON VOLCANO: AMBAE 257030 PSN: S1523 E16750 AREA: VANUATU SUMMIT ELEV: 1496M ADVISORY NR: 2025/18 INFO SOURCE: H9 SATELLITE IMAGERY AVIATION COLOUR CODE: UNKNOWN ERUPTION DETAILS: ERUPTION AT 20251202/1400Z INTERMITTENT LOW LEVEL ERUPTION OBS VA DTG: 05/0035Z OBS VA CLD: SFC/FL060 S1529 E16752 – S1529 E16718 – S1503 E16716 – S1501 E16740 – S1520 E16757 MOV NW 10KT FCST VA CLD +6 HR: 05/0635Z SFC/FL060 S1529 E16752 – S1522 E16715 – S1459 E16717 – S1452 E16741 – S1520 E16758 FCST VA CLD +12 HR: 05/1235Z SFC/FL060 S1528 E16750 – S1527 E16715 – S1502 E16716 – S1454 E16736 – S1519 E16756 FCST VA CLD +18 HR: 05/1835Z SFC/FL060 S1528 E16751 – S1523 E16718 – S1458 E16727 – S1458 E16753 – S1520 E16756 RMK: FAINT VA SIGNAL IDENTIFIABLE IN SATELLITE IMAGERY. HEIGHT AND MOVEMENT ESTIMATED BASED ON ECMWF MODEL SOUNDING. NXT ADVISORY: NO LATER THAN 20251205/0635Z=
Kusatsu-Shirane (Honshu): The Japan Meteorological Agency (JMA) reported that unrest continued at Kusatsu-Shiranesan between 1 December 2025 (local) and 3 December 2025 (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)
Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY. …4 Dec: The Japan Meteorological Agency (JMA) reported that the eruption continued at Aira on 3 December 2025 (local). Ash plume(s) rose to a maximum of 1,100 m (3,609 ft) above the vent. 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] … [show less] Current Alerts: Observatory alert level: „Level 3 – Restriction on proximity to the volcano“ (on a 5-level scale)
Canlaon (Central Philippines): The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported that the eruption continued at Kanlaon on 3 December 2025 (local). Plume(s) rose to a maximum of 75 m (246 ft) above the vent. The alert level remained at „2 – Moderate Level of Volcanic Unrest“ (level 2 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“ (level 2 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 3 December 2025 (local). Plume(s) rose to a maximum of 600 m (1,969 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)
Manam (Papua New Guinea): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 05 kts in SW direction. The full report is as follows: VA TO FL080 REPORTED AT 04/1940Z EST VA DTG:04/2020Z to 8000 ft (2400 m)
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 3 December 2025 (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)
Raung (East Java): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Raung on 3 December 2025 (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): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Ibu on 3 December 2025 (local). Ash plume(s) rose to a maximum of 400 m (1,312 ft) above the vent. There were 106 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (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 3 December 2025 (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 the eruption continued at Lewotobi (Laki-Laki) on 3 December 2025 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. The alert level remained at „Level 4 – Caution“ (on a 4-level scale). Activity also included: lahar(s), property damage, road closure(s). 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 4 – Caution“ (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 3 December 2025 (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 3 December 2025 (local). Gas and vapor plume(s) rose to a maximum of 100 m (328 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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (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 3 December 2025 (local). Gas and vapor plume(s) rose to a maximum of 150 m (492 ft) above the vent. There were 4 hot rockfalls, traveling up to 2,000 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) … [read more] … [show less] Current Alerts: Observatory alert level: „Level 3 – Standby“ (on a 4-level scale)
Semeru (East Java, Indonesia): The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Semeru on 3 December 2025 (local). Ash and gas plume(s) rose to a maximum of 1,100 m (3,609 ft) above the vent. There were 132 seismically detected explosions reported. There were 42 seismically detected rockfalls. The alert level remained at „Level 2 – Alert“ (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] … [show less] Current Alerts: Observatory alert level: „Level 2 – Alert“ (on a 4-level scale)
Marapi (Western Sumatra, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VEN STATES ERUPTION TO UNKNOWN HEIGHT AT 04/0916Z …4 Dec: The Center for Volcanology and Geological Hazard/Pusat Vulkanologi dan Mitigasi Bencana Geologi (CVGHM/PVMBG) reported that the eruption continued at Marapi on 3 December 2025 (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 3 December 2025 (local). There were 2 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] … [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 3 December 2025 (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 3 December 2025 (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 3 December 2025 (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)
Aoba (Vanuatu): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington 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 NW direction. The full report is as follows: ERUPTION AT 20251202/1400Z INTERMITTENT LOW LEVEL ERUPTION to 6000 ft (1800 m)
Kilauea (Hawai’i): The United States Geological Survey – Hawaiian Volcano Observatory (USGS-HVO) reported that the eruption continued at Kilauea on 3 December 2025 (local). Overnight, moderate glow was observed from the north vent and the south vent. Flames were observed at both the north and south vents. Webcam images showed occasional minor spattering activity in the north vent during the night. Gas plume(s) were reported. 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] … [show less] Current Alerts: Observatory alert level: „Watch“ (level 3 on a 4-level scale)
Shishaldin (Aleutian Islands, Alaska): The United States Geological Survey – Alaska Volcano Observatory (USGS-AVO) reported that unrest continued at Shishaldin between 2 December 2025 (local) and 3 December 2025 (local). The alert level remained at „Advisory“ (level 2 on a 4-level scale). 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 2 December 2025 (local) and 3 December 2025 (local). Lava continued to erupt in the summit crater. The alert level remained at „Watch“ (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: VA NOT OBSD …4 Dec: The Centro Nacional de Prevención de Desastres (CENAPRED) reported that the eruption continued at Popocatépetl between 2 December 2025 (local) and 3 December 2025 (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: FRQ VA EMS to 14000 ft (4300 m)
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 SEEN IN SAT AND WEBCAM to 16000 ft (4900 m) …4 Dec: The Instituto Nacional de Sismología, Vulcanología, Meteorología e Hidrología (INSIVUMEH) reported that the eruption continued at Fuego between 2 December 2025 (local) and 3 December 2025 (local). Gas plume(s) rose to a maximum of 437 m (1,434 ft) above the vent. There were seismically detected explosions reported, occurring at a rate of up to 10 per hour. Ash and gas plume(s) rose to a maximum of 1,037 m (3,402 ft) above the vent. Incandescent material was ejected in pulses above the vent overnight, resulting in the crater area being covered with incandescent rock fragments. There were incandescent rockfalls. Fine ashfall was reported in Yepocapa (9 km W). 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
Puracé (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 . The full report is as follows: LKLY VA EMS to 17000 ft (5200 m)
Sangay (Ecuador): The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Sangay between 2 December 2025 (local) and 3 December 2025 (local). The alert level remained at „2 – Yellow“ (on a 4-level scale). 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: POSS VA EMS …4 Dec: The Instituto Geofísico-Escuela Politécnica Nacional (IG-EPN) reported that the eruption continued at Reventador between 2 December 2025 (local) and 3 December 2025 (local). 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 2 December 2025 (local) and 3 December 2025 (local). Gas and vapor plume(s) rose to a maximum of 200 m (656 ft) above the vent. A total of 19 earthquakes related to the movement of magma and gases were recorded. 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] … [show less] Current Alerts: Observatory alert level: „Orange“ (level 3 on a 4-level scale)
Planchón-Peteroa (Central Chile and Argentina): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: WEAK PUFF EMISSION
Barren Island (Indian Ocean): (4 Dec) The effusive eruption at the volcano continues. Judging from the latest Sentinel-2 satellite image, the lava persists, sustaining its flow and progressing in the formation of the lava delta along the northern coastline. The active lava flow is currently about 966 meters long.
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:
FVXX23 at 16:45 UTC, 04/12/25 from KNES VA ADVISORY DTG: 20251204/1643Z
RMK: VA SEEN IN SAT AND WEBCAM AND EXTDG ARND 30 NM WNW FM SUMMIT. MODEL GUIDANCE SHOWS A CONT WNW MOV THRU T+18 HRS. MOV AND HGT BASED ON SAT, NWP, AND WEBCAM. …KIBLER
