The Volcanic Ash Advisory Center (VAAC) Tokyo issued the following bulletin. Original VAAC bulletin:
FVFE01 at 07:46 UTC, 31/08/26 from RJTD VA ADVISORY DTG: 20260831/0746Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SOURCE ELEV: 1117M AMSL ADVISORY NR: 2026/181 INFO SOURCE: JMA HIMAWARI-9 ERUPTION DETAILS: ERUPTED AT 20260831/0730Z FL080 EXTD NW OBS VA DTG: 31/0730Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 140/10KT
FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
Satellite image of Lewotobi volcano on 31 Aug 2026
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:
FVAU04 at 05:22 UTC, 31/08/26 from ADRM VA ADVISORY DTG: 20260831/0521Z VAAC: DARWIN VOLCANO: LEWOTOBI 264180 PSN: S0833 E12246 AREA: INDONESIA SOURCE ELEV: 1703M AMSL ADVISORY NR: 2026/441 INFO SOURCE: CVGHM, HIMAWARI-9 ERUPTION DETAILS: VA TO FL060 MOV NW EST VA DTG: 31/0500Z EST VA CLD: SFC/FL060 S0832 E12247 - S0833 E12248 - S0835 E12239 - S0831 E12237 - S0825 E12241 MOV NW 10KT FCST VA CLD +6 HR: 31/1100Z NO VA EXP FCST VA CLD +12 HR: 31/1700Z NO VA EXP FCST VA CLD +18 HR: 31/2300Z NO VA EXP RMK: CVGHM REPORTED ERUPTION TO 300M ABOVE SUMMIT. VA NOT IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT BASED ON GROUND REPORT. VA EXPECTED TO DISSIPATE WITH 3-6 HRS. NXT ADVISORY: NO LATER THAN 20260831/1121Z=
Satellite image of Sakurajima volcano on 31 Aug 2026
An eruption was reported at Sakurajima at 00:34 UTC on 31 August 2026, but no volcanic ash cloud was identifiable in satellite data as of 00:30 UTC. No forecast information is available. Original VAAC bulletin:
FVFE01 at 00:46 UTC, 31/08/26 from RJTD VA ADVISORY DTG: 20260831/0046Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SOURCE ELEV: 1117M AMSL ADVISORY NR: 2026/178 INFO SOURCE: JMA HIMAWARI-9 ERUPTION DETAILS: ERUPTED AT 20260831/0034Z FL080 EXTD NW OBS VA DTG: 31/0030Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL080 130/8KT 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=
Klyuchevskoy (Kamchatka): (29 Aug) An eruption was reported at Klyuchevskoy at 22:40 UTC on 29 August 2026, but no volcanic ash cloud was identifiable in satellite data as of 23:00 UTC. No forecast information is available. Original VAAC bulletin:no ash plume observed as of 29 Aug 2026, 23:00 UTC
Ibu (Halmahera, Indonesia): 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. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Aug 30, 10:11 UTC
Lewotobi (Flores): (30 Aug) 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. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Aug 30, 06:40 UTC
Lewotolo (Lesser Sunda Islands): A ground report indicated volcanic ash up to FL070 moving west as of 30 August 2026, 10:30 UTC. Forecasts suggest ash is expected to dissipate within 6 to 12 hours. Original VAAC bulletin:Lewotolo Volcanic Ash Advisory
Semeru (East Java, Indonesia): 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 Aug 30, 15:30 UTC
Dukono (Halmahera): (29 Aug) 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 05 kts in NE direction. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Aug 29, 22:31 UTC
Santiaguito (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 13000 ft (4000 m), or flight level 130. Original VAAC bulletin:ash plume to 13,000 ft (4,000 m) as of Aug 30, 14:30 UTC
Fuego (Guatemala): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington 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 Aug 30, 17:00 UTC
Puracé (Colombia): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:PSBL VA EMS
Reventador (Ecuador): The Washington VAAC reports likely volcanic ash emissions from Reventador, but no ash plume was observed due to weather clouds as of 12:20 UTC on August 30, 2026. Forecasts suggest possible continued emissions and northwest movement of ash. Original VAAC bulletin:Reventador Volcanic Ash Advisory
The Volcanic Ash Advisory Center (VAAC) Tokyo issued the following bulletin. Original VAAC bulletin:
FVFE01 at 16:53 UTC, 30/08/26 from RJTD VA ADVISORY DTG: 20260830/1653Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SOURCE ELEV: 1117M AMSL ADVISORY NR: 2026/176 INFO SOURCE: JMA HIMAWARI-9 ERUPTION DETAILS: ERUPTED AT 20260830/1629Z FL090 EXTD W OBS VA DTG: 30/1630Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 100/6KT FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
