Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060. Original VAAC bulletin:
FVAU06 at 01:28 UTC, 06/09/26 from ADRM VA ADVISORY DTG: 20260906/0130Z VAAC: DARWIN VOLCANO: LEWOTOLOK 264230 PSN: S0816 E12330 AREA: INDONESIA SOURCE ELEV: 1423M AMSL ADVISORY NR: 2026/198 INFO SOURCE: HIMAWARI-9 CVGHM ERUPTION DETAILS: VA TO FL060 OBS AT 06/0110Z OBS VA DTG: 06/0110Z OBS VA CLD: SFC/FL060 S0814 E12334 - S0831 E12342 - S0837 E12324 - S0828 E12308 - S0812 E12307 - S0811 E12331 MOV S 05KT FCST VA CLD +6 HR: 06/0710Z SFC/FL060 S0812 E12332 - S0814 E12335 - S0832 E12341 - S0836 E12324 - S0828 E12311 - S0813 E12312 FCST VA CLD +12 HR: 06/1310Z SFC/FL060 S0813 E12334 - S0819 E12336 - S0837 E12319 - S0834 E12308 - S0809 E12304 FCST VA CLD +18 HR: 06/1910Z SFC/FL060 S0817 E12336 - S0837 E12319 - S0833 E12306 - S0809 E12304 - S0812 E12335 RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT AND MOV BASED ON HIMAWARI-9 SAT AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260906/0730Z=
Etna (Sicily, Italy): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 10 kts in S direction. Original VAAC bulletin:ash plume to 15,000 ft (4,600 m) as of Sep 5, 10:00 UTC
Ibu (Halmahera, Indonesia): A ground report indicated a volcanic ash eruption at Ibu at 08:13 UTC on September 5. As of 09:40 UTC, ash emissions were estimated and moving northwest, but ash was not identifiable on satellite imagery due to meteorological clouds. Original VAAC bulletin:Ibu Volcanic Ash Advisory
Sinabung (Sumatra, Indonesia): (5 Sep) A volcanic ash advisory was issued for Sinabung. Ash was previously observed up to FL140 moving east at 04:30 UTC on September 5, 2026, but recent satellite data does not identify any ash cloud and the advisory has been terminated. Original VAAC bulletin:Sinabung Volcanic Ash Advisory
Lewotolo (Lesser Sunda Islands): (5 Sep) Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060. Original VAAC bulletin:ash plume to 6,000 ft (1,800 m) as of Sep 5, 07:30 UTC
Krakatau (Sunda Strait, Indonesia): The recent strong paroxysm episode at the volcano was also captured from space.
The Sentinel-2 satellite detected the tall ash plume and large amounts of floating pumice stones. …5 Sep: A major eruptive episode has occurred (or is still occurring) at the volcano. Local residents from nearby coastal areas reported powerful explosions and tall lava fountains, eruption lightning visible from afar and a dense column of ash. This paroxysm likely marks the strongest activity since the eruption that led to the collapse of the previous cone of Anak Krakatau in Dec 2018. The VAAC center in Darwin estimates an ash plume height of 50,000 ft (15 km). … [read more] … [show less] View of the large ash plume from a passing airplane: Fishermen nearby were caught in heavy pumice rain:
Semeru (East Java, Indonesia): (5 Sep) 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:ash plume to 15,000 ft (4,600 m) as of Sep 4, 23:40 UTC
Aoba (Vanuatu): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Wellington warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070, and moving at 10 kts in SE direction. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Sep 5, 20:43 UTC
Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160, and moving at 10 kts in W direction. Original VAAC bulletin:ash plume to 16,000 ft (4,900 m) as of Sep 5, 20:00 UTC
Puracé (Colombia): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:VA EM LKLY
Reventador (Ecuador): A possible light volcanic ash emission from Reventador is indicated, but no ash plume was observed due to cloud cover as of 5 September 2026, 10:50 UTC. Forecasts suggest west-northwest movement of any ash cloud through the next 12 hours. Original VAAC bulletin:Reventador Volcanic Ash Advisory
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 50000 ft (15200 m), or flight level 500. Original VAAC bulletin:
FVAU04 at 16:25 UTC, 05/09/26 from ADRM VA ADVISORY DTG: 20260905/1630Z VAAC: DARWIN VOLCANO: KRAKATAU 262000 PSN: S0606 E10525 AREA: INDONESIA SOURCE ELEV: 155M AMSL ADVISORY NR: 2026/179 INFO SOURCE: HIMAWARI-9 CVGHM ERUPTION DETAILS: VA TO FL500 MOV W, VA TO FL200 MOV S TO SE OBS VA DTG: 05/1610Z OBS VA CLD: SFC/FL200 S0519 E10710 - S0639 E10930 - S0902 E10829 - S0933 E10514 - S0738 E10138 MOV SE 10KT SFC/FL500 S0711 E10611 - S1007 E09930 - S1547 E09446 - S1128 E08348 - S0311 E09128 - S0142 E10116 - S0517 E10715 MOV W 30KT FCST VA CLD +6 HR: 05/2210Z SFC/FL200 S0504 E10702 - S0655 E11008 - S0907 E10859 - S0959 E10507 - S0726 E10141 SFC/FL500 S0659 E10614 - S1029 E09932 - S1727 E09513 - S1210 E08104 - S0252 E09040 - S0003 E09932 - S0504 E10704 FCST VA CLD +12 HR: 06/0410Z SFC/FL200 S0501 E10710 - S0653 E11017 - S0903 E10913 - S1001 E10515 - S0727 E10147 SFC/FL500 S0654 E10626 - S1016 E09957 - S1856 E09505 - S1244 E07912 - S0305 E08923 - N0010 E09945 - S0506 E10708 FCST VA CLD +18 HR: 06/1010Z SFC/FL200 S0504 E10700 - S0641 E11009 - S0904 E10916 - S0959 E10501 - S0722 E10152 SFC/FL500 S0652 E10628 - S1026 E10000 - S1955 E09456 - S1314 E07817 - S0309 E08858 - N0028 E09940 - S0500 E10658 RMK: CONTINUOUS VA TO FL500 IDENTIFIABLE ON SAT IMAGE MOV W. CONTINUOUS VA TO FL200 MOV S TO SE. HEIGHT AND MOV BASED ON SATELLITE IMAGERY AND FCST BASED ON DISPERSION MODELS. NXT ADVISORY: NO LATER THAN 20260905/1830Z=
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 10 kts in S direction. Original VAAC bulletin:
FVXX01 at 10:00 UTC, 05/09/26 from LFPW VA ADVISORY DTG: 20260905/1000Z VAAC: TOULOUSE VOLCANO: ETNA 211060 PSN: N3744 E01459 AREA: SICILY VOLCANIC PROVINCE SOURCE ELEV: 3357M ADVISORY NR: 2026/118 INFO SOURCE: INGV WEBCAMS, VONA, SAT IMAGERY AVIATION COLOUR CODE: RED ERUPTION DETAILS: ERUPTION AT 20260905/0920Z WEAK ASH EMISSION STILL ONGOING OBS VA DTG: 05/1000Z OBS VA CLD: SFC/FL150 N3742 E01451 - N3751 E01457 - N3751 E01506 - N3742 E01506 - N3738 E01457 - N3742 E01451 MOV S 10KT FCST VA CLD +6 HR: 05/1600Z NO VA EXP FCST VA CLD +12 HR: 05/2200Z NO VA EXP FCST VA CLD +18 HR: 06/0400Z NO VA EXP RMK: ASHES ARE CONFINED AROUND THE SUMMIT AREA. DUE TO THE LOW INTENSITY OF THE EVENT, QVA ARE NOT PROVIDED. NXT ADVISORY: NO LATER THAN 20260905/1600Z=
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140. Original VAAC bulletin:
FVXX20 at 08:52 UTC, 05/09/26 from KNES VA ADVISORY DTG: 20260905/0850Z
