Ibu Volcano Volcanic Ash Advisory: VA ERUPTION TO FL060 LAST REPORTED AT 04/0822Z

Satellite image of Ibu volcano on 5 Jan 2026

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

FVAU01 at 11:40 UTC, 05/01/26 from ADRM
VA ADVISORY
DTG: 20260105/1150Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/20
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION TO FL060 LAST REPORTED AT
04/0822Z
EST VA DTG: 05/1130Z
EST VA CLD: SFC/FL060 N0132 E12734 – N0134 E12740 – N0119
E12756 – N0103 E12747 – N0111 E12729 MOV S 10KT
FCST VA CLD +6 HR: 05/1730Z SFC/FL060 N0134 E12740 – N0120
E12757 – N0104 E12749 – N0111 E12731 – N0132 E12733
FCST VA CLD +12 HR: 05/2330Z SFC/FL060 N0130 E12733 – N0134
E12739 – N0122 E12758 – N0105 E12752 – N0110 E12732
FCST VA CLD +18 HR: 06/0530Z SFC/FL060 N0130 E12733 – N0135
E12739 – N0124 E12759 – N0107 E12754 – N0110 E12735
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMG DUE
TO MET CLOUD, HOWEVER RECENT GROUND REPORTS SUGGEST AN
ONGOING ERUPTION. VA HEIGHT AND FORECAST ARE BASED ON LATEST
HIMAWARI-9 SAT IMG, GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260105/1750Z=

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 LAST REPORTED AT 04/1519Z EST VA DTG: 05/1050Z to 15000 ft (4600 m)

Satellite image of Semeru volcano on 5 Jan 2026

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 N direction.
The full report is as follows:

FVAU02 at 10:57 UTC, 05/01/26 from ADRM
VA ADVISORY
DTG: 20260105/1110Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/18
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 04/1519Z
EST VA DTG: 05/1050Z
EST VA CLD: SFC/FL150 S0811 E11301 – S0809 E11247 – S0748
E11244 – S0743 E11259 – S0753 E11311 MOV N 10KT
FCST VA CLD +6 HR: 05/1650Z SFC/FL150 S0812 E11301 – S0809
E11247 – S0748 E11245 – S0744 E11259 – S0754 E11311
FCST VA CLD +12 HR: 05/2250Z SFC/FL150 S0811 E11301 – S0809
E11247 – S0750 E11243 – S0742 E11257 – S0753 E11309
FCST VA CLD +18 HR: 06/0450Z SFC/FL150 S0810 E11301 – S0809
E11248 – S0751 E11242 – S0742 E11255 – S0752 E11307
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMG DUE TO MET CLOUD.
GND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260105/1710Z=

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 LAST REPORTED AT 04/2255Z EST VA DTG: 05/0450Z to 15000 ft (4600 m)

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 .
The full report is as follows:

FVAU02 at 04:39 UTC, 05/01/26 from ADRM
VA ADVISORY
DTG: 20260105/0510Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/17
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 04/2255Z
EST VA DTG: 05/0450Z
EST VA CLD: SFC/FL150 S0812 E11300 – S0809 E11247 – S0752
E11244 – S0748 E11256 – S0751 E11304 – S0801 E11309 MOV N
05KT
FCST VA CLD +6 HR: 05/1050Z SFC/FL150 S0812 E11300 – S0809
E11247 – S0753 E11246 – S0748 E11301 – S0801 E11309
FCST VA CLD +12 HR: 05/1650Z SFC/FL150 S0812 E11251 – S0806
E11245 – S0753 E11246 – S0749 E11301 – S0802 E11309 – S0811
E11301
FCST VA CLD +18 HR: 05/2250Z SFC/FL150 S0812 E11300 – S0809
E11247 – S0753 E11245 – S0748 E11301 – S0801 E11309
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMG DUE TO MET CLOUD.
GND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GND REPORTS AND
MODEL GUIDANCE. LOW CONFIDENCE IN FCST DUE TO LIGHT AND VRB
WINDS.
NXT ADVISORY: NO LATER THAN 20260105/1110Z=

Ibu Volcano Volcanic Ash Advisory: VA ERUPTION TO FL060 REPORTED AT 04/1502Z EST VA DTG: 04/2330Z

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

FVAU01 at 23:47 UTC, 04/01/26 from ADRM
VA ADVISORY
DTG: 20260104/2350Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/18
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION TO FL060 REPORTED AT 04/1502Z
EST VA DTG: 04/2330Z
EST VA CLD: SFC/FL060 N0133 E12740 – N0119 E12756 – N0102
E12747 – N0111 E12728 – N0131 E12733 MOV SE 10KT
FCST VA CLD +6 HR: 05/0530Z SFC/FL060 N0134 E12740 – N0119
E12756 – N0103 E12746 – N0111 E12729 – N0132 E12733
FCST VA CLD +12 HR: 05/1130Z SFC/FL060 N0133 E12740 – N0119
E12756 – N0103 E12747 – N0111 E12729 – N0132 E12734
FCST VA CLD +18 HR: 05/1730Z SFC/FL060 N0133 E12740 – N0119
E12756 – N0104 E12746 – N0111 E12729 – N0132 E12733
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMG DUE
TO MET CLOUD, HOWEVER RECENT GROUND REPORT SUGGESTS AN
ONGOING ERUPTION. VA HEIGHT AND FORECAST ARE BASED ON LATEST
HIMAWARI-9 SAT IMG, GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260105/0550Z=

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 LAST REPORTED AT 04/2114Z EST VA DTG: 04/2150Z to 15000 ft (4600 m)

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 05 kts in N direction.
The full report is as follows:

FVAU02 at 22:06 UTC, 04/01/26 from ADRM
VA ADVISORY
DTG: 20260104/2250Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/16
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 04/2114Z
EST VA DTG: 04/2150Z
EST VA CLD: SFC/FL150 S0809 E11247 – S0754 E11246 – S0750
E11300 – S0800 E11308 – S0812 E11301 MOV N 05KT
FCST VA CLD +6 HR: 05/0350Z SFC/FL150 S0812 E11300 – S0809
E11247 – S0752 E11246 – S0748 E11301 – S0801 E11309
FCST VA CLD +12 HR: 05/0950Z SFC/FL150 S0812 E11300 – S0809
E11247 – S0753 E11246 – S0748 E11301 – S0801 E11309
FCST VA CLD +18 HR: 05/1550Z SFC/FL150 S0812 E11251 – S0806
E11245 – S0753 E11246 – S0749 E11301 – S0802 E11309 – S0811
E11301
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMG DUE TO MET CLOUD.
GND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON GND REPORTS AND
MODEL GUIDANCE. LOW CONFIDENCE IN FCST DUE TO LIGHT AND VRB
WINDS.
NXT ADVISORY: NO LATER THAN 20260105/0450Z=