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=
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:
FVAU04 at 11:04 UTC, 30/08/26 from ADRM VA ADVISORY DTG: 20260830/1050Z VAAC: DARWIN VOLCANO: LEWOTOLOK 264230 PSN: S0816 E12330 AREA: INDONESIA SOURCE ELEV: 1423M AMSL ADVISORY NR: 2026/172 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: GROUND REPORT OF VA TO FL070 MOV WEST EST VA DTG: 30/1030Z EST VA CLD: SFC/FL070 S0815 E12332 - S0818 E12332 - S0824 E12301 - S0808 E12301 MOV W 10KT FCST VA CLD +6 HR: 30/1630Z SFC/FL070 S0814 E12332 - S0818 E12332 - S0825 E12257 - S0806 E12256 FCST VA CLD +12 HR: 30/2230Z NO VA EXP FCST VA CLD +18 HR: 31/0430Z NO VA EXP RMK: GROUND REPORT OF ERUPTION AT 30/0844Z WITH VA TO 1920FT ABOVE SUMMIT MOVING WEST. CONTINUOUS VA EMISSION IDENTIFIABLE ON EARLIER SATELLITE IMAGERY MOVING WEST, NOW NOT DISCERNIBLE DUE TO MET CLOUD AND DARKNESS. VA EXPECTED TO DISSIPATE WITHIN 6 - 12 HOURS. NXT ADVISORY: NO LATER THAN 20260830/1650Z=
