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

FVAU02 at 22:08 UTC, 30/12/25 from ADRM
VA ADVISORY
DTG: 20251230/2210Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1494
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 30/1704Z
EST VA DTG: 30/2150Z
EST VA CLD: SFC/FL150 S0802 E11251 – S0802 E11319 – S0803
E11319 – S0823 E11317 – S0828 E11255 MOV SE 05KT
FCST VA CLD +6 HR: 31/0350Z SFC/FL150 S0802 E11251 – S0806
E11318 – S0826 E11313 – S0828 E11252
FCST VA CLD +12 HR: 31/0950Z SFC/FL150 S0802 E11251 – S0748
E11311 – S0759 E11322 – S0814 E11322 – S0825 E11310 – S0810
E11251
FCST VA CLD +18 HR: 31/1550Z SFC/FL150 S0802 E11251 – S0748
E11311 – S0801 E11322 – S0818 E11320 – S0826 E11305 – S0810
E11251
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS AND WEBCAM IMAGERY INDICATE
INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251231/0410Z=

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 SE direction.
The full report is as follows:

FVAU02 at 15:53 UTC, 30/12/25 from ADRM
VA ADVISORY
DTG: 20251230/1610Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1493
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 30/0037Z
EST VA DTG: 30/1550Z
EST VA CLD: SFC/FL150 S0806 E11252 – S0802 E11255 – S0801
E11318 – S0822 E11319 – S0827 E11300 MOV SE 10KT
FCST VA CLD +6 HR: 30/2150Z SFC/FL150 S0806 E11252 – S0802
E11254 – S0758 E11317 – S0818 E11322 – S0826 E11304
FCST VA CLD +12 HR: 31/0350Z SFC/FL150 S0807 E11252 – S0802
E11253 – S0756 E11318 – S0813 E11323 – S0825 E11309
FCST VA CLD +18 HR: 31/0950Z SFC/FL150 S0808 E11252 – S0802
E11252 – S0753 E11313 – S0800 E11322 – S0814 E11323 – S0822
E11313
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251230/2210Z=

Satellite image of Manam volcano on 30 Dec 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 11000 ft (3400 m) altitude or flight level 110 and is moving at 05 kts in SW direction.
The full report is as follows:

FVAU03 at 15:44 UTC, 30/12/25 from ADRM
VA ADVISORY
DTG: 20251230/1600Z
VAAC: DARWIN
VOLCANO: MANAM 251020
PSN: S0405 E14502
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1807M AMSL
ADVISORY NR: 2025/59
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA OBS TO FL110 AT 30/1540Z, EXT SW
OBS VA DTG: 30/1540Z
OBS VA CLD: SFC/FL110 S0403 E14506 – S0428 E14503 – S0416
E14443 – S0400 E14501 MOV SW 05KT
FCST VA CLD +6 HR: 30/2140Z SFC/FL110 S0401 E14501 – S0403
E14506 – S0428 E14507 – S0419 E14444
FCST VA CLD +12 HR: 31/0340Z SFC/FL110 S0401 E14501 – S0402
E14506 – S0427 E14511 – S0427 E14457 – S0419 E14445
FCST VA CLD +18 HR: 31/0940Z SFC/FL110 S0402 E14459 – S0402
E14506 – S0422 E14516 – S0428 E14509 – S0428 E14454 – S0421
E14447
RMK: CONTINUOUS VA EMISSIONS OBSERVED ON LATEST RGB
SATELLITE IMAGERY MOVING SW OF SUMMIT. VA FORECAST AND
HEIGHT BASED ON LATEST SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251230/2200Z=

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

FVXX24 at 09:44 UTC, 30/12/25 from KNES
VA ADVISORY
DTG: 20251230/0942Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2025/155

INFO SOURCE: GOES-19.

ERUPTION DETAILS: VA NOT OBS

OBS VA DTG: 30/0910Z

OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.

FCST VA CLD +6HR: 30/1500Z NO VA EXP

FCST VA CLD +12HR: 30/2100Z NO VA EXP

FCST VA CLD +18HR: 31/0300Z NO VA EXP

RMK: NO RCNT VA EMS OBS IN STLT IMAGERY. NO RCNT
RPRTS OF VA RCVD. …COVERDALE

NXT ADVISORY: NO FURTHER ADVISORIES