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Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Oct 13, 00:00 UTC

Satellite image of Semeru volcano on 13 Oct 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVAU02 at 00:16 UTC, 13/10/26 from ADRM
VA ADVISORY
DTG: 20261013/0020Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1170
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 13/0000Z MOV W
OBS VA DTG: 13/0000Z
OBS VA CLD: SFC/FL150 S0809 E11258 - S0828 E11201 - S0747
 E11201 - S0802 E11258 MOV W 10KT
FCST VA CLD +6 HR: 13/0600Z SFC/FL150 S0809 E11258 - S0823
 E11158 - S0746 E11203 - S0802 E11258
FCST VA CLD +12 HR: 13/1200Z SFC/FL150 S0809 E11258 - S0823
 E11159 - S0746 E11203 - S0802 E11258
FCST VA CLD +18 HR: 13/1800Z SFC/FL150 S0810 E11258 - S0809
 E11159 - S0738 E11212 - S0802 E11300
RMK: VA OBS MOV W ON RECENT SATELLITE IMAGERY. CVGHM REPORT
 REGULAR VA EMISISONS UP TO 1000M ABV SUMMIT. HEIGHT AND MOV
 BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261013/0620Z=
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Manam Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Oct 12, 22:40 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 10 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 22:59 UTC, 12/10/26 from ADRM
VA ADVISORY
DTG: 20261012/2300Z
VAAC: DARWIN
VOLCANO: MANAM 251020
PSN: S0405 E14502
AREA: PAPUA NEW GUINEA
SOURCE ELEV: 1807M AMSL
ADVISORY NR: 2026/59
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 12/2240Z EXTD NW
OBS VA DTG: 12/2240Z
OBS VA CLD: SFC/FL070 S0405 E14507 - S0410 E14504 - S0353
 E14422 - S0332 E14441 MOV NW 10KT
FCST VA CLD +6 HR: 13/0440Z SFC/FL070 S0405 E14507 - S0410
 E14504 - S0353 E14422 - S0332 E14441
FCST VA CLD +12 HR: 13/1040Z SFC/FL070 S0410 E14501 - S0352
 E14425 - S0330 E14457 - S0406 E14507
FCST VA CLD +18 HR: 13/1640Z SFC/FL070 S0410 E14503 - S0356
 E14424 - S0334 E14448 - S0405 E14507
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON CURRENT
 SATELLITE IMAGE. VA EMISSIONS ARE EXPECTED TO BE ONGOING.
 HEIGHT BASED ON RECENT ERUPTIVE BEHAVIOUR, MOVEMENT BASED ON
 SAT IMG AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20261013/0500Z=