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 05 kts in W direction. The full report is as follows:
FVAU01 at 09:36 UTC, 28/12/25 from ADRM VA ADVISORY DTG: 20251228/0940Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2025/1455 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL060 LAST REPORTED 27/0852Z EST VA DTG: 28/0920Z EST VA CLD: SFC/FL060 N0121 E12740 – N0124 E12720 – N0138 E12720 – N0144 E12732 – N0137 E12743 MOV W 05KT FCST VA CLD +6 HR: 28/1520Z SFC/FL060 N0121 E12740 – N0124 E12720 – N0138 E12720 – N0144 E12732 – N0137 E12743 FCST VA CLD +12 HR: 28/2120Z SFC/FL060 N0131 E12742 – N0121 E12740 – N0124 E12719 – N0135 E12719 – N0143 E12729 FCST VA CLD +18 HR: 29/0320Z SFC/FL060 N0132 E12742 – N0121 E12739 – N0124 E12719 – N0135 E12719 – N0143 E12729 RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO MET CLOUD. GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON PAST SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20251228/1540Z=
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:
FVAU03 at 05:33 UTC, 28/12/25 from ADRM VA ADVISORY DTG: 20251228/0533Z VAAC: DARWIN VOLCANO: MANAM 251020 PSN: S0405 E14502 AREA: PAPUA NEW GUINEA SOURCE ELEV: 1807M AMSL ADVISORY NR: 2025/50 INFO SOURCE: HIMAWARI-9 ERUPTION DETAILS: VA TO FL080 OBS AT 28/0510Z MOV WSW OBS VA DTG: 28/0510Z OBS VA CLD: SFC/FL080 S0406 E14504 – S0417 E14445 – S0410 E14441 – S0403 E14503 MOV SW 10KT FCST VA CLD +6 HR: 28/1110Z SFC/FL080 S0403 E14503 – S0406 E14504 – S0417 E14445 – S0406 E14440 – S0406 E14440 FCST VA CLD +12 HR: 28/1710Z SFC/FL080 S0403 E14503 – S0406 E14504 – S0421 E14447 – S0408 E14440 FCST VA CLD +18 HR: 28/2310Z SFC/FL080 S0406 E14504 – S0416 E14443 – S0402 E14439 – S0403 E14503 RMK: CONTINUOUS VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20251228/1133Z=
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 20 kts in NW direction. The full report is as follows:
FVXX01 at 23:03 UTC, 27/12/25 from LFPW VA ADVISORY DTG: 20251227/2303Z VAAC: TOULOUSE VOLCANO: ETNA 211060 PSN: N3744 E01459 AREA: SICILY VOLCANIC PROVINCE SOURCE ELEV: 3357M ADVISORY NR: 2025/84 INFO SOURCE: INGV WEBCAMS, SAT IMAGERY AVIATION COLOUR CODE: RED ERUPTION DETAILS: ERUPTION AT 20251227/1430Z EXPLOSIVE ACTIVITY STOPPED AT 15Z OBS VA DTG: 27/2300Z OBS VA CLD: SFC/FL230 N3738 E01448 – N3753 E01454 – N3753 E01509 – N3736 E01506 – N3738 E01448 MOV NW 20KT FL180/360 N3924 E01045 – N3945 E01018 – N4000 E01018 – N3936 E01051 – N3924 E01045 MOV NW 30KT FCST VA CLD +6 HR: 28/0500Z SFC/FL230 N3738 E01509 – N3742 E01448 – N3803 E01451 – N3800 E01515 – N3738 E01509 FCST VA CLD +12 HR: 28/1100Z NO VA EXP FCST VA CLD +18 HR: 28/1700Z NO VA EXP RMK: DUE TO THE BRIEF DURATION OF THE EVENT, QVA DO NOT SHOW ANY RELEVANT AREA OF ASH CONTAMINATION AND WILL NOT BE PROVIDED. THE RESULTING CLOUD IS STILL OBSERVED, POSSIBLY CONTAINS ASHES. ASHES ARE STILL OBSERVED ON THE SUMMIT CRATER AREA NXT ADVISORY: NO LATER THAN 20251228/0200Z=
Etna (Sicily, Italy): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 36000 ft (11000 m) altitude or flight level 360 and is moving at 25 kts in W direction. The full report is as follows: ERUPTION AT 20251227/1430Z NEW EXPLOSIVE ACTIVITY OBS VA DTG:27/1500Z to 36000 ft (11000 m) …27 Dec: The volcano entered a new eruptive phase yesterday. Vigorous strombolian activity started at two of Etna’s four summit craters, the Northeast Crater and Bocca Nuova, producing jets of abundant incandescent material and minor ash emissions.
Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 05 kts in NW direction. The full report is as follows: VA TO FL070 LAST REPORTED AT 27/0938Z MOV NW to 7000 ft (2100 m)
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 . The full report is as follows: VA EMS OBS to 20000 ft (6100 m)
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 EMS OBS 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 14000 ft (4300 m) altitude or flight level 140 . The full report is as follows: VA EMS OBS to 14000 ft (4300 m)
Puracé (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMS
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 . The full report is as follows: VA EMS PSBL to 20000 ft (6100 m)
Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 . The full report is as follows: ONGOING VA EM to 15000 ft (4600 m)
