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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 .
The full report is as follows:

FVAU01 at 21:24 UTC, 26/12/25 from ADRM
VA ADVISORY
DTG: 20251226/2130Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1448
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST REPORTED 26/1326Z, MOV SW
EST VA DTG: 26/2110Z
EST VA CLD: SFC/FL070 N0130 E12741 – N0111 E12736 – N0121
E12722 – N0132 E12738 MOV SW 10KT
FCST VA CLD +6 HR: 27/0310Z SFC/FL070 N0132 E12738 – N0130
E12741 – N0111 E12736 – N0121 E12722
FCST VA CLD +12 HR: 27/0910Z SFC/FL070 N0132 E12738 – N0130
E12741 – N0112 E12734 – N0123 E12721
FCST VA CLD +18 HR: 27/1510Z SFC/FL070 N0130 E12741 – N0112
E12734 – N0123 E12721 – N0132 E12738
RMK: VA NOT IDENTIFIABLE ON SAT IMAGERY DUE TO MET CLOUD.
CVGHM REPORT INTERMITTENT DISCRETE EMISSIONS. VA HEIGHT AND
MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251227/0330Z=

Map of today’s active volcanoes

Etna (Sicily, Italy): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 15 kts in NE direction.
The full report is as follows: ERUPTION AT 20251226/0956Z STROMBOLIAN ACTIVITY AT SUMMIT to 16000 ft (4900 m)

Canlaon (Central Philippines): (25 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20251225/2227Z FL090 EXTD SW REPORTED OBS VA DTG:25/2230Z

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 .
The full report is as follows: VA TO FL070 LAST REPORTED 26/0801Z, MOV S EST VA DTG:26/0910Z to 7000 ft (2100 m)

Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in NE direction.
The full report is as follows: VA TO FL150 LAST REPORTED AT 26/0827Z, MOV NE to 15000 ft (4600 m)

Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: NEW VA EMS to 13000 ft (4000 m)

Fuego (Guatemala): 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: FRQT VA EMS to 15000 ft (4600 m)

Puracé (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EM DETECTED

Sangay (Ecuador): (26 Dec) 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: VA EM DETECTED to 21000 ft (6400 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)

Volcano Activity Summary for 26 Dec 2025:

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in NE direction.
The full report is as follows:

FVAU02 at 16:27 UTC, 26/12/25 from ADRM
VA ADVISORY
DTG: 20251226/1630Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1476
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 26/0827Z, MOV
NE
EST VA DTG: 26/1610Z
EST VA CLD: SFC/FL150 S0809 E11253 – S0806 E11250 – S0743
E11303 – S0747 E11315 – S0758 E11317 MOV NE 10KT
FCST VA CLD +6 HR: 26/2210Z SFC/FL150 S0809 E11254 – S0806
E11250 – S0743 E11303 – S0746 E11315 – S0757 E11319
FCST VA CLD +12 HR: 27/0410Z SFC/FL150 S0809 E11253 – S0806
E11250 – S0742 E11302 – S0745 E11313 – S0755 E11317
FCST VA CLD +18 HR: 27/1010Z SFC/FL150 S0809 E11254 – S0806
E11250 – S0743 E11257 – S0743 E11310 – S0755 E11312
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. INTERMITTENT DISCRETE EMISSIONS ARE EXPECTED TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251226/2230Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 15 kts in NE direction.
The full report is as follows:

FVXX01 at 10:17 UTC, 26/12/25 from LFPW
VA ADVISORY
DTG: 20251226/1017Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01459
AREA: SICILY VOLCANIC PROVINCE
SOURCE ELEV: 3357M
ADVISORY NR: 2025/1
INFO SOURCE: VONA, INGV, WEBCAM, SAT IMAGERY
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20251226/0956Z STROMBOLIAN ACTIVITY AT
SUMMIT
OBS VA DTG: 26/1005Z
OBS VA CLD: SFC/FL160 N3745 E01500 – N3812 E01527 – N3751 E01536 –
N3745 E01500 MOV NE 15KT
FCST VA CLD +6 HR:NOT PROVIDED
FCST VA CLD +12 HR:NOT PROVIDED
FCST VA CLD +18 HR:NOT PROVIDED
RMK: LIGHT ASH FALLOUT REPORTED IN THE NE SECTOR OF ETNA
NXT ADVISORY: NO LATER THAN 20251226/1100Z=