Ibu Volcano Volcanic Ash Advisory: GROUND REPORT TO UNKNOWN HEIGHT AT 03/0612Z

Satellite image of Ibu volcano on 3 Dec 2025

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

FVAU01 at 07:04 UTC, 03/12/25 from ADRM
VA ADVISORY
DTG: 20251203/0704Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1350
INFO SOURCE: CVGHM
ERUPTION DETAILS: GROUND REPORT TO UNKNOWN HEIGHT AT
03/0612Z
EST VA DTG: 03/0640Z
EST VA CLD: SFC/FL070 N0132 E12736 – N0132 E12802 – N0119
E12759 – N0127 E12736 MOV E 10KT
FCST VA CLD +6 HR: 03/1240Z NO VA EXP
FCST VA CLD +12 HR: 03/1840Z NO VA EXP
FCST VA CLD +18 HR: 04/0040Z NO VA EXP
RMK: VA OBSCURED BY MET CLOUD ON LATEST SATELLITE IMAGERY.
GROUND REPORT BASED ON SEISMIC DATA. VA FORECAST BASED ON
MODEL GUIDANCE. VA EXPECTED TO DISSIPATE WITHIN 6 HOURS.
NXT ADVISORY: NO LATER THAN 20251203/1304Z=

Aoba Volcano Volcanic Ash Advisory: ERUPTION AT 20251202/1400Z CONTINUOUS LOW LEVEL ERUPTION to 8000 ft (2400 m)

Satellite image of Aoba volcano on 3 Dec 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 10 kts in NW direction.
The full report is as follows:

FVPS01 at 03:46 UTC, 03/12/25 from NZKL
VA ADVISORY
DTG: 20251203/0345Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SUMMIT ELEV: 1496M
ADVISORY NR: 2025/10
INFO SOURCE: H9 SATELLITE IMAGERY
AVIATION COLOUR CODE: UNKNOWN
ERUPTION DETAILS: ERUPTION AT 20251202/1400Z CONTINUOUS LOW
LEVEL ERUPTION
OBS VA DTG: 03/0345Z
OBS VA CLD: SFC/FL080 S1525 E16757 – S1528 E16744 – S1422
E16727 – S1421 E16759 MOV NW 10KT
FCST VA CLD +6 HR: 03/0945Z SFC/FL080 S1528 E16749 – S1426
E16717 – S1411 E16746 – S1521 E16758
FCST VA CLD +12 HR: 03/1545Z SFC/FL080 S1522 E16758 – S1531
E16747 – S1429 E16655 – S1405 E16727
FCST VA CLD +18 HR: 03/2145Z SFC/FL080 S1522 E16757 – S1532
E16746 – S1431 E16645 – S1404 E16709
RMK: CONTINUOUS LOW LEVEL ERUPTION, WITH VA SIGNAL VISIBLE
IN H9 SATELLITE IMAGERY. ASH PLUME HEIGHT ESTIMATED BASED ON
PLUME MOVEMENT IN H9 SAT IMAGERY, AND MODEL WINDS.
NXT ADVISORY: NO LATER THAN 20251203/0945Z=

Semeru Volcano Volcanic Ash Advisory: VA ERUPTION TO FL150 MOV SW REPORTED 02/1920Z

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

FVAU02 at 21:48 UTC, 02/12/25 from ADRM
VA ADVISORY
DTG: 20251202/2150Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1378
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION TO FL150 MOV SW REPORTED
02/1920Z
EST VA DTG: 02/2130Z
EST VA CLD: SFC/FL150 S0802 E11259 – S0811 E11258 – S0815
E11220 – S0747 E11223 MOV W 15KT
FCST VA CLD +6 HR: 03/0330Z SFC/FL150 S0804 E11258 – S0810
E11258 – S0816 E11219 – S0749 E11222
FCST VA CLD +12 HR: 03/0930Z SFC/FL150 S0802 E11258 – S0810
E11258 – S0819 E11220 – S0749 E11223
FCST VA CLD +18 HR: 03/1530Z SFC/FL150 S0803 E11259 – S0811
E11259 – S0817 E11221 – S0746 E11224
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
VA EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON
PAST SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251203/0350Z=

Sakurajima Volcano Volcanic Ash Advisory: ERUPTED AT 20251202/1725Z FL080 EXTD SE OBS VA DTG: 02/1720Z

Satellite image of Sakurajima volcano on 2 Dec 2025

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

FVFE01 at 17:44 UTC, 02/12/25 from RJTD
VA ADVISORY
DTG: 20251202/1744Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2025/431
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20251202/1725Z FL080 EXTD SE
OBS VA DTG: 02/1720Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 250/19KT

FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Puracé Volcano Volcanic Ash Advisory: VA REPORTED

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

FVXX24 at 14:47 UTC, 02/12/25 from KNES
VA ADVISORY
DTG: 20251202/1445Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2025/036

INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO.

ERUPTION DETAILS: VA REPORTED

EST VA DTG: 02/1440Z

EST VA CLD: SFC/FL180 N0220 W07623 – N0218 W07623
– N0216 W07628 – N0219 W07629 – N0220 W07623 MOV
W 5KT

FCST VA CLD +6HR: 02/2030Z SFC/FL180 N0220 W07624
– N0220 W07623 – N0213 W07624 – N0214 W07628 –
N0220 W07624

FCST VA CLD +12HR: 03/0230Z NO VA EXP

FCST VA CLD +18HR: 03/0830Z NO VA EXP

RMK: VONA REPORTED VA EMS. VA NOT SEEN I SAT DUE
TO MET CLDS. VA FL/DIR BASED ON PREV VAA AND MDL
GUIDANCE. NPW MDL FCST SLIGHTLY BACKING THRU
T+6HRS. …ZENG

NXT ADVISORY: WILL BE ISSUED BY 20251202/2045Z