Krakatau Volcanic Ash Advisory: ash plume to 6,000 ft (1,800 m) as of Oct 31, 13:00 UTC

Satellite image of Krakatau volcano on 31 Oct 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, and moving at 05 kts in NW direction.
Original VAAC bulletin:

FVAU04 at 13:16 UTC, 31/10/26 from ADRM
VA ADVISORY
DTG: 20261031/1320Z
VAAC: DARWIN
VOLCANO: KRAKATAU 262000
PSN: S0606 E10525
AREA: INDONESIA
SOURCE ELEV: 155M AMSL
ADVISORY NR: 2026/270
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VONA STATE ERUPTION AT 31/1215Z
OBS VA DTG: 31/1300Z
OBS VA CLD: SFC/FL060 S0613 E10529 - S0601 E10505 - S0543
E10523 - S0607 E10535 MOV NW 05KT
FCST VA CLD +6 HR: 31/1900Z NO VA EXP
FCST VA CLD +12 HR: 01/0100Z NO VA EXP
FCST VA CLD +18 HR: 01/0700Z NO VA EXP
RMK: VA OBSCURED BY MET CLOUD. VA AND MOVEMENT HEIGHT BASED
ON MODEL GUIDANCE. VA EXPECTED TO DISSIPATE IN 6HRS.
NXT ADVISORY: NO LATER THAN 20261031/1920Z=

Santiaguito Volcanic Ash Advisory: ash plume to 14,000 ft (4,300 m) as of Oct 31, 04:40 UTC

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:

FVXX23 at 05:12 UTC, 31/10/26 from KNES
VA ADVISORY
DTG: 20261031/0509Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/641

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 31/0440Z

OBS VA CLD: SFC/FL140 N1446 W09136 - N1445 W09132
- N1444 W09132 - N1443 W09135 - N1446 W09136 MOV
W 10KT

FCST VA CLD +6HR: 31/1030Z SFC/FL140 N1446 W09141
- N1446 W09133 - N1445 W09132 - N1441 W09140 -
N1446 W09141

FCST VA CLD +12HR: 31/1630Z SFC/FL140 N1446
W09141 - N1446 W09133 - N1445 W09132 - N1441
W09140 - N1446 W09141

FCST VA CLD +18HR: 31/2230Z SFC/FL140 N1446
W09132 - N1445 W09133 - N1441 W09140 - N1446
W09141 - N1446 W09132

RMK: VA DETECTED ON STLT MOVG WSW OF SUMMIT.
WEBCAM SHOWS VA EMS. NO CHG FCST TO MDL WINDS AT
FL NXT 18 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20261031/1115Z

Fuego Volcanic Ash Advisory: ash plume to 16,000 ft (4,900 m) as of Oct 30, 23:50 UTC

Satellite image of Fuego volcano on 31 Oct 2026

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.
Original VAAC bulletin:

FVXX22 at 00:26 UTC, 31/10/26 from KNES
VA ADVISORY
DTG: 20261031/0023Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/1261

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EMS PSBL

OBS VA DTG: 30/2350Z

OBS VA CLD: SFC/FL160 N1430 W09100 - N1428 W09052
- N1428 W09052 - N1428 W09101 - N1430 W09100 MOV
W 15KT

FCST VA CLD +6HR: 31/0600Z SFC/FL160 N1428 W09052
- N1428 W09052 - N1422 W09058 - N1424 W09059 -
N1428 W09052

FCST VA CLD +12HR: 31/1200Z SFC/FL160 N1428
W09052 - N1428 W09052 - N1422 W09058 - N1424
W09059 - N1428 W09052

FCST VA CLD +18HR: 31/1800Z SFC/FL160 N1428
W09052 - N1428 W09052 - N1423 W09059 - N1426
W09100 - N1428 W09052

RMK: PSBL VA EMS OBS IN STLT IMG EXT APRX 10NM W
FM SUMMIT. OCNL VA EMS LIKELY CONT. SW MVMT EXP
BY T+6. FCST BASED ON STLT AND MDL WINDS.
...GATLING

NXT ADVISORY: WILL BE ISSUED BY 20261031/0630Z

Sheveluch Volcanic Ash Advisory: ash plume to 17,000 ft (5,200 m) as of Oct 30, 20:20 UTC

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170, and moving at 50 kts in NE direction.
Original VAAC bulletin:

FVFE01 at 20:45 UTC, 30/10/26 from RJTD
VA ADVISORY
DTG: 20261030/2045Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/362
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: POSS ERUPTION OBS AT 20261030/2010Z FL170 EXTD NE
OBS VA DTG: 30/2020Z
OBS VA CLD: SFC/FL170 N5641 E16120 - N5654 E16136 - N5644 E16141 -
N5636 E16122 MOV NE 50KT
FCST VA CLD +6 HR: 31/0220Z SFC/FL170 N5744 E17155 - N5712 E17200 -
N5705 E16814 - N5730 E16817
FCST VA CLD +12 HR: 31/0820Z SFC/FL160 N5643 W17832 - N5553 W17803 -

N5706 E17545 - N5729 E17547
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20261031/0000Z=

Volcanic activity worldwide 30 Oct 2026: Etna volcano, Stromboli, Santiaguito, Fuego, Popocatépetl,…

Map of today's active volcanoes

Map of today's active volcanoes

Stromboli (Eolian Islands, Italy): Activity at the volcano remains comparably elevated. When observed last night, the most active vents were the two ones in the northern crater area.
The western vent in that area (the one to the right when seen from the observation areas) showed continuous mild spattering, interrupted by frequent, but mostly small strombolian type explosions which often generated small incandescent rock falls on the Sciara del Fuoco.
… [read more]

Etna (Sicily, Italy): An eruption was reported at Etna on 29 Oct 2026 at 06:00 UTC, but no ash cloud has been observed as of 30 Oct 2026, 15:30 UTC. No volcanic ash is expected in the next 18 hours.
Original VAAC bulletin: no ash cloud observed as of 30 Oct 2026, 15:30 UTC

Sakurajima (Kyushu, Japan): An explosion was reported at Sakurajima at 10:49 UTC on 30 October 2026, but no volcanic ash cloud was identifiable in satellite data as of 10:40 UTC. No forecast ash cloud information is available.
Original VAAC bulletin: no ash plume observed as of 30 Oct 2026, 10:40 UTC

Mayon (Luzon Island, Philippines): A moderate explosion took place from the volcano’s summit crater today.
At about 11:53 AM local time, a towering pillar of gas, ash and other ejecta rose to about 3 km above the crater, drifting west-southwest.
… [read more]

Langila (New Britain, Papua New Guinea): 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 Oct 30, 10:40 UTC

Karangetang (Siau Island, Sangihe Islands, Indonesia): (30 Oct) The activity at the volcano continues at elevated levels.
Eruptions have been intensifying over the past week, mainly from the northern crater.
… [read more]

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 Oct 30, 15:10 UTC

Krakatau (Sunda Strait, Indonesia): (30 Oct) 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 Oct 30, 00:20 UTC

Semeru (East Java, Indonesia): An eruption to flight level FL150 was last reported at 30 October 00:31 UTC. Ash movement is forecast west at 10 knots; recent satellite imagery does not identify ash due to weather clouds.
Original VAAC bulletin: Semeru Volcanic Ash Advisory

Dukono (Halmahera): (30 Oct) 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, and moving at 10 kts in W direction.
Original VAAC bulletin: ash plume to 8,000 ft (2,400 m) as of Oct 30, 07:00 UTC

Ambrym (Vanuatu): (30 Oct) The effusive eruption at the volcano continues.

Ambrym’s Marum crater seems to be filled with lava from two vents, as seen in the attached time-lapse by NISAR (NASA-ISRO Synthetic Aperture Radar) GSLC (Geocoded Single Look Complex) radar products during the August- October period.

Popocatépetl (Central Mexico): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin: ash plume to 20,000 ft (6,100 m) as of Oct 30, 13:16 UTC

Santiaguito (Guatemala): Occasional volcanic ash emissions were reported for Santiaguito. No ash plume height was observed or reported as of the latest advisory on October 30, 2026, at 17:25 UTC.
Original VAAC bulletin: Santiaguito Volcanic Ash Advisory

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.
Original VAAC bulletin: ash plume to 16,000 ft (4,900 m) as of Oct 30, 12:30 UTC

Masaya (Nicaragua): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington 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 Oct 30, 14:30 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 Oct 30, 19:50 UTC

Sangay (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 23000 ft (7000 m), or flight level 230.
Original VAAC bulletin: ash plume to 23,000 ft (7,000 m) as of Oct 30, 15:50 UTC

Reventador (Ecuador): Occasional volcanic ash emissions were reported for Reventador. Ash was not detected in satellite imagery due to meteorological cloud cover; forecasts indicate possible continued emissions moving west-southwest and shifting southwest within six hours.
Original VAAC bulletin: Reventador Volcanic Ash Advisory

Nevados de Chillán (Central Chile): (30 Oct) As of 30 October 2026 at 00:30 UTC, no volcanic ash emission was observed from Nevados de Chillán. Satellite data did not identify any ash cloud, and no further advisories are expected.
Original VAAC bulletin: no ash plume observed as of 30 Oct 2026, 00:30 UTC

Volcano Activity Summary for 30 Oct 2026: