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

FVAU01 at 20:55 UTC, 15/11/25 from ADRM
VA ADVISORY
DTG: 20251115/2100Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/1284
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 15/1350Z
EST VA DTG: 15/2030Z
EST VA CLD: SFC/FL060 N0129 E12737 – N0130 E12737 – N0133
E12747 – N0124 E12748 MOV E 05KT
FCST VA CLD +6 HR: 16/0230Z SFC/FL060 N0129 E12737 – N0130
E12737 – N0133 E12747 – N0124 E12748
FCST VA CLD +12 HR: 16/0830Z SFC/FL060 N0129 E12737 – N0130
E12737 – N0133 E12747 – N0124 E12748
FCST VA CLD +18 HR: 16/1430Z SFC/FL060 N0129 E12737 – N0130
E12737 – N0133 E12747 – N0124 E12748
RMK: VA UNIDNTIFIABLE ON SATELLITE IMAGERY HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING.
HEIGHT AND MOVEMENT BASED ON RECENT GROUND REPORT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251116/0300Z=

Satellite image of Sakurajima volcano on 15 Nov 2025

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

FVFE01 at 16:23 UTC, 15/11/25 from RJTD
VA ADVISORY
DTG: 20251115/1623Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SUMMIT ELEV: 1117M
ADVISORY NR: 2025/373
INFO SOURCE: HIMAWARI-8 JMA
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: EXPLODED AT 20251115/1557Z FL180 STNR
OBS VA DTG: 15/1600Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 270/42KT

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=

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

FVAU02 at 13:28 UTC, 15/11/25 from ADRM
VA ADVISORY
DTG: 20251115/1330Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1301
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION REPORTED AT 15/1156Z
EST VA DTG: 15/1310Z
EST VA CLD: SFC/FL150 S0804 E11253 – S0751 E11313 – S0805
E11321 – S0812 E11317 – S0809 E11254 MOV E 15KT
FCST VA CLD +6 HR: 15/1910Z SFC/FL150 S0808 E11254 – S0804
E11253 – S0752 E11313 – S0805 E11321 – S0810 E11314
FCST VA CLD +12 HR: 16/0110Z SFC/FL150 S0805 E11253 – S0751
E11312 – S0804 E11321 – S0808 E11311 – S0809 E11254
FCST VA CLD +18 HR: 16/0710Z SFC/FL150 S0805 E11252 – S0750
E11312 – S0803 E11321 – S0809 E11313 – S0809 E11255
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON RECENT
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251115/1930Z=

Satellite image of Ibu volcano on 15 Nov 2025

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

FVAU01 at 09:01 UTC, 15/11/25 from ADRM
VA ADVISORY
DTG: 20251115/0900Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/1282
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION REPORTED AT 14/1512Z
EST VA DTG: 15/0840Z
EST VA CLD: SFC/FL060 N0129 E12737 – N0130 E12737 – N0131
E12747 – N0123 E12747 MOV E 10KT
FCST VA CLD +6 HR: 15/1440Z SFC/FL060 N0129 E12737 – N0130
E12738 – N0130 E12747 – N0123 E12747
FCST VA CLD +12 HR: 15/2040Z SFC/FL060 N0129 E12737 – N0130
E12737 – N0130 E12747 – N0123 E12747
FCST VA CLD +18 HR: 16/0240Z SFC/FL060 N0129 E12737 – N0130
E12737 – N0130 E12747 – N0123 E12747
RMK: VA UNIDNTIFIABLE ON SATELLITE IMAGERY HOWEVER,
INTERMITTENT DISCRETE ERUPTION EXPECTED TO BE ONGOING.
HEIGHT AND MOVEMENT BASED ON RECENT GROUND REPORT AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251115/1500Z=

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

FVAU02 at 01:32 UTC, 15/11/25 from ADRM
VA ADVISORY
DTG: 20251115/0130Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1299
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION REPORTED AT 14/2117Z
EST VA DTG: 15/0100Z
EST VA CLD: SFC/FL150 S0808 E11253 – S0804 E11253 – S0757
E11314 – S0805 E11319 – S0812 E11316 MOV E 15KT
FCST VA CLD +6 HR: 15/0700Z SFC/FL150 S0808 E11253 – S0804
E11253 – S0757 E11314 – S0804 E11319 – S0812 E11316
FCST VA CLD +12 HR: 15/1300Z SFC/FL150 S0809 E11254 – S0804
E11253 – S0756 E11314 – S0805 E11321 – S0812 E11317
FCST VA CLD +18 HR: 15/1900Z SFC/FL150 S0808 E11254 – S0804
E11253 – S0757 E11313 – S0805 E11321 – S0812 E11317
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON RECENT
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251115/0730Z=