Krakatau Volcanic Ash Advisory: ash plume to 9,000 ft (2,700 m) as of Aug 22, 13:00 UTC

Satellite image of Krakatau volcano on 22 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 9000 ft (2700 m), or flight level 090.
Original VAAC bulletin:

FVAU05 at 13:14 UTC, 22/08/26 from ADRM
VA ADVISORY
DTG: 20260822/1327Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/125
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 MOV W/SW AT 22/1300Z
OBS VA DTG: 22/1300Z
OBS VA CLD: SFC/FL090 S0551 E10558 - S0747 E10613 - S0815
E10453 - S0711 E10303 - S0513 E10258 - S0510 E10509 MOV W
10KT
FCST VA CLD +6 HR: 22/1900Z SFC/FL090 S0537 E10549 - S0716
E10552 - S0802 E10420 - S0633 E10257 - S0519 E10326 - S0513
E10523
FCST VA CLD +12 HR: 23/0100Z SFC/FL090 S0612 E10549 - S0809
E10502 - S0650 E10253 - S0458 E10255 - S0502 E10503 - S0548
E10547
FCST VA CLD +18 HR: 23/0700Z SFC/FL090 S0606 E10555 - S0724
E10553 - S0755 E10424 - S0647 E10305 - S0527 E10314 - S0505
E10508 - S0547 E10555
RMK: CONTINUOUS VA ERUPTION RICH IN VA IDENTIFIABLE ON
VIS/RGB SATELLITE IMAGERY. VA HEIGHT BASED ON IR TEMP OF 15
DEGREES CELSIUS AND MOVEMENT BASED ON CONSENSUS MODEL
GUIDANCE.VA CONTINUES TO MOVE IN A W/SW DIRECTION.
NXT ADVISORY: NO LATER THAN 20260822/1927Z=

Ibu Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 22, 07:30 UTC

Satellite image of Ibu volcano on 22 Aug 2026

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:

FVAU03 at 08:00 UTC, 22/08/26 from ADRM
VA ADVISORY
DTG: 20260822/0810Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/950
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 MOV SE
OBS VA DTG: 22/0730Z
OBS VA CLD: SFC/FL070 N0130 E12734 - N0134 E12739 - N0123
E12810 - N0113 E12816 - N0107 E12804 MOV SE 10KT
FCST VA CLD +6 HR: 22/1330Z SFC/FL070 N0130 E12735 - N0134
E12739 - N0130 E12815 - N0113 E12817 - N0100 E12802
FCST VA CLD +12 HR: 22/1930Z SFC/FL070 N0128 E12735 - N0134
E12739 - N0133 E12818 - N0113 E12817 - N0105 E12809
FCST VA CLD +18 HR: 23/0130Z SFC/FL070 N0128 E12736 - N0135
E12739 - N0133 E12817 - N0113 E12818 - N0105 E12809
RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY. VA HEIGHT AND MOVEMENT BASED ON SATELLITE
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260822/1410Z=

Kanlaon Volcanic Ash Advisory: no ash plume observed as of 03:20 UTC

An eruption was reported at Kanlaon at 03:23 UTC on August 22, 2026, but no volcanic ash was identifiable in satellite data as of 03:20 UTC. No forecasts for ash cloud movement are available.
Original VAAC bulletin:

FVFE01 at 03:40 UTC, 22/08/26 from RJTD
VA ADVISORY
DTG: 20260822/0340Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/241
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260822/0323Z FL090 EXTD SE REPORTED
OBS VA DTG: 22/0320Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 300/13KT

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=

Lewotobi Volcanic Ash Advisory: ash plume to 7,000 ft (2,100 m) as of Aug 21, 22:40 UTC

Satellite image of Lewotobi volcano on 21 Aug 2026

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:

FVAU04 at 23:01 UTC, 21/08/26 from ADRM
VA ADVISORY
DTG: 20260821/2300Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/406
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 MOV N REPORTED AT 21/2229Z
OBS VA DTG: 21/2240Z
OBS VA CLD: SFC/FL070 S0834 E12248 - S0834 E12245 - S0833
E12237 - S0826 E12238 - S0825 E12246 - S0828 E12253 MOV N
10KT
FCST VA CLD +6 HR: 22/0440Z SFC/FL070 S0834 E12246 - S0832
E12229 - S0818 E12230 - S0814 E12246 - S0825 E12256 - S0834
E12248
FCST VA CLD +12 HR: 22/1040Z SFC/FL070 S0833 E12248 - S0834
E12246 - S0832 E12229 - S0818 E12230 - S0814 E12246 - S0824
E12256
FCST VA CLD +18 HR: 22/1640Z SFC/FL070 S0834 E12246 - S0832
E12230 - S0818 E12230 - S0814 E12246 - S0824 E12256 - S0834
E12248
RMK: CVGHM REPORTED ERUPTION TO 500M ABOVE SUMMIT. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY. VA HEIGHT BASED ON GROUND
REPORT AND MOVEMENT BASED ON CONSENSUS MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260822/0500Z=

Volcanic activity worldwide 21 Aug 2026: Santiaguito volcano, Fuego, Klyuchevskoy, Krakatau, Semeru,…

Map of today's active volcanoes

Map of today's active volcanoes

Klyuchevskoy (Kamchatka): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 18000 ft (5500 m), or flight level 180, and moving at 20 kts in NE direction.
Original VAAC bulletin: ash plume to 18,000 ft (5,500 m) as of Aug 21, 20:00 UTC
…21 Aug:
The eruption at the volcano is ongoing.

Dense ash emissions continue to rise from the summit and propagate to the southeast of the volcano.

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 21, 19:50 UTC

Lewotolo (Lesser Sunda Islands): (21 Aug) The effusive eruption at the volcano continues.

The lava flow continues to advance from the summit cinder cone towards the southern flank, currently about 1,400 meters, as visible in the satellite imagery from 20 August.

Krakatau (Sunda Strait, 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 21, 18:10 UTC

Semeru (East Java, Indonesia): (21 Aug) 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 21, 04:00 UTC

Dukono (Halmahera): (21 Aug) Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080.
Original VAAC bulletin: ash plume to 8,000 ft (2,400 m) as of Aug 21, 04:20 UTC

Santiaguito (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 21, 09:20 UTC

Fuego (Guatemala): 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: ash plume to 14,000 ft (4,300 m) as of Aug 21, 19:10 UTC

Puracé (Colombia): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170.
Original VAAC bulletin: ash plume to 17,000 ft (5,200 m) as of Aug 21, 18:30 UTC

Reventador (Ecuador): 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: ash plume to 14,000 ft (4,300 m) as of Aug 21, 10:50 UTC

Sabancaya (Peru): (21 Aug) No volcanic ash emissions were observed from Sabancaya as of 02:15 UTC on 21 August 2026. Satellite and webcam data under clear skies did not identify any ash, and no further advisories are expected.
Original VAAC bulletin: no ash plume observed as of 21 Aug 2026, 02:15 UTC

Volcano Activity Summary for 21 Aug 2026: