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Satellite image of Dukono volcano on 16 Dec 2025

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:

FVAU03 at 10:50 UTC, 16/12/25 from ADRM
VA ADVISORY
DTG: 20251216/1050Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1055
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 16/0130Z
EST VA DTG: 16/1030Z
EST VA CLD: SFC/FL070 N0157 E12749 – N0156 E12807 – N0137
E12813 – N0125 E12801 – N0128 E12746 – N0142 E12738 MOV E
05KT
FCST VA CLD +6 HR: 16/1630Z SFC/FL070 N0157 E12748 – N0156
E12807 – N0137 E12813 – N0125 E12758 – N0128 E12745 – N0142
E12736
FCST VA CLD +12 HR: 16/2230Z SFC/FL070 N0154 E12745 – N0157
E12809 – N0138 E12815 – N0125 E12758 – N0132 E12742
FCST VA CLD +18 HR: 17/0430Z SFC/FL070 N0150 E12744 – N0159
E12803 – N0141 E12816 – N0126 E12802 – N0131 E12741
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9
IMAGERY AND MODEL GUIDANCE. LOW CONFIDENCE IN FORECAST DUE
TO VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20251216/1650Z=

Satellite image of Semeru volcano on 16 Dec 2025

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

FVAU02 at 06:58 UTC, 16/12/25 from ADRM
VA ADVISORY
DTG: 20251216/0700Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1432
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 16/0224Z
EST VA DTG: 16/0640Z
EST VA CLD: SFC/FL140 S0804 E11251 – S0756 E11320 – S0806
E11329 – S0818 E11322 – S0809 E11251 MOV E 10KT
FCST VA CLD +6 HR: 16/1240Z SFC/FL140 S0805 E11251 – S0755
E11320 – S0805 E11330 – S0816 E11323 – S0809 E11251
FCST VA CLD +12 HR: 16/1840Z SFC/FL140 S0803 E11253 – S0808
E11329 – S0826 E11316 – S0807 E11250
FCST VA CLD +18 HR: 17/0040Z SFC/FL140 S0803 E11253 – S0808
E11330 – S0826 E11316 – S0807 E11251
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGE DUE TO
MET CLOUD. GROUND REPORTS INDICATE INTERMITTENT DISCRETE
EMISSIONS REMAIN ONGOING. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251216/1300Z=

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 and is moving at 5 kts in NW direction.
The full report is as follows:

FVXX24 at 03:28 UTC, 16/12/25 from KNES
VA ADVISORY
DTG: 20251216/0325Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2025/093

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.

ERUPTION DETAILS: CONT LGT VA EMS PSBL

OBS VA DTG: 16/0300Z

OBS VA CLD: SFC/FL180 N0235 W07629 – N0219 W07623
– N0228 W07634 – N0235 W07629 MOV NW 5KT

FCST VA CLD +6HR: 16/0900Z SFC/FL180 N0229 W07635
– N0219 W07624 – N0223 W07638 – N0229 W07635

FCST VA CLD +12HR: 16/1500Z SFC/FL180 N0226
W07638 – N0219 W07623 – N0220 W07640 – N0226
W07638

FCST VA CLD +18HR: 16/2100Z NO VA EXP

RMK: CONT LGT VA EMS PSBL MOV NW TO WNW FM
SUMMIT. VA NOT OBS IN STLT IMAGERY DUE TO WX
CLDS. CONT NEW VA EMS PSBL WITH MOV TO NW TO WNW
FM SUMMIT. VO ACT LOW. …FISHER

NXT ADVISORY: WILL BE ISSUED BY 20251216/0930Z