Semeru Volcano Volcanic Ash Advisory: VA TO FL150 REP FM GND AT 05/0958Z MOV NW EST VA DTG: 05/1300Z to 15000 ft (4600 m)

Satellite image of Semeru volcano on 5 Aug 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:

FVAU02 at 13:20 UTC, 05/08/26 from ADRM
VA ADVISORY
DTG: 20260805/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/889
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REP FM GND AT 05/0958Z MOV NW
EST VA DTG: 05/1300Z
EST VA CLD: SFC/FL150 S0808 E11254 – S0754 E11235 – S0743
E11241 – S0743 E11255 – S0806 E11258 MOV NW 05KT
FCST VA CLD +6 HR: 05/1900Z SFC/FL150 S0808 E11254 – S0755
E11234 – S0743 E11241 – S0744 E11254 – S0807 E11258
FCST VA CLD +12 HR: 06/0100Z SFC/FL150 S0809 E11255 – S0800
E11225 – S0742 E11243 – S0805 E11259
FCST VA CLD +18 HR: 06/0700Z SFC/FL150 S0808 E11257 – S0811
E11221 – S0744 E11230 – S0803 E11258
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD. HOWEVER, DISCRETE EMISSIONS ARE EXPECTED TO BE
ONGOING. VA HEIGHT AND FORECAST BASED ON GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/1920Z=

Ibu Volcano Volcanic Ash Advisory: VA TO FL070 OBS MOV E AT 05/1110Z OBS VA DTG: 05/1110Z to 7000 ft (2100 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:

FVAU03 at 11:27 UTC, 05/08/26 from ADRM
VA ADVISORY
DTG: 20260805/1125Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/880
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS MOV E AT 05/1110Z
OBS VA DTG: 05/1110Z
OBS VA CLD: SFC/FL070 N0128 E12736 – N0134 E12735 – N0146
E12805 – N0130 E12815 – N0116 E12806 MOV E 15KT
FCST VA CLD +6 HR: 05/1710Z SFC/FL070 N0127 E12733 – N0135
E12734 – N0149 E12806 – N0130 E12817 – N0113 E12807
FCST VA CLD +12 HR: 05/2310Z SFC/FL070 N0126 E12733 – N0134
E12734 – N0147 E12806 – N0132 E12817 – N0112 E12807
FCST VA CLD +18 HR: 06/0510Z SFC/FL070 N0127 E12734 – N0133
E12734 – N0147 E12805 – N0132 E12815 – N0114 E12807
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON RECENT SATELLITE
IMAGERY. GROUND REPORTS INDICATE ONGOING DISCRETE ERUPTIONS.
VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/1725Z=

Fuego volcano (Guatemala): spectacular lava fountains from summit

Strong strombolian eruption from Fuego last night (image: afartv/x.com)

The volcano showed very dramatic activity yesterday.

A strong eruptive episode (likely to be classified as paroxysm) occurred from the summit crater at about 02:45 AM local time. The lava fountaining episode threw glowing lava bombs and blocks up to several dozen meters; some lava jets might have surpassed 100 meters above the crater.

Incandescent rockfall avalanches were observed descending in all edifice directions.
Copious white-to-grey ash emissions accompanied the event.

Dukono Volcano Volcanic Ash Advisory: VA TO FL070 EXT NNE OBS AT 05/0220Z EST VA DTG: 05/0220Z to 7000 ft (2100 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 10 kts in NE direction.
The full report is as follows:

FVAU01 at 02:40 UTC, 05/08/26 from ADRM
VA ADVISORY
DTG: 20260805/0250Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/586
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NNE OBS AT 05/0220Z
EST VA DTG: 05/0220Z
EST VA CLD: SFC/FL070 N0138 E12755 – N0141 E12748 – N0259
E12752 – N0236 E12850 MOV NE 10KT
FCST VA CLD +6 HR: 05/0820Z SFC/FL070 N0135 E12752 – N0141
E12747 – N0255 E12810 – N0219 E12901
FCST VA CLD +12 HR: 05/1420Z SFC/FL070 N0136 E12752 – N0142
E12747 – N0252 E12812 – N0215 E12901 – N0140 E12806
FCST VA CLD +18 HR: 05/2020Z SFC/FL070 N0140 E12743 – N0231
E12820 – N0144 E12847 – N0128 E12802
RMK: VA IDENTIFIABLE ON LATEST SATELLITE IMAGERY. HEIGHT AND
FORECAST BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/0850Z=

Volcanic activity worldwide 4 Aug 2026: Santiaguito volcano, Fuego, Popocatépetl, Semeru, Sheveluch…

Map of today's active volcanoes

Map of today's active volcanoes

Sheveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 27000 ft (8200 m) altitude or flight level 270 .
The full report is as follows: POSS ERUPTION OBS AT 20260804/1340Z FL270 EXTD NE OBS VA DTG:04/1420Z to 27000 ft (8200 m)

Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows: VA TO FL070 LAST REP AT 04/1515Z EST VA DTG:04/1950Z to 7000 ft (2100 m)

Lewotobi (Flores): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 .
The full report is as follows: VA TO FL090 REPORTED AT 04/1028Z EST VA DTG:04/1200Z to 9000 ft (2700 m)

Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 05 kts in NE direction.
The full report is as follows: VA TO FL150 LAST REP 04/1744Z EST VA DTG:04/1900Z to 15000 ft (4600 m)

Dukono (Halmahera): (4 Aug) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows: VA TO FL070 EXT NE OBS VA DTG:04/0410Z to 7000 ft (2100 m)

Aoba (Vanuatu): (4 Aug) Volcanic Ash Advisory Center Wellington (VAAC) issued the following report: NO EVIDENCE OF FURTHER ERUPTION OBS VA DTG:04/0118Z

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 and is moving at 10 kts in SW direction.
The full report is as follows: CONS VA EMS to 21000 ft (6400 m)

Santiaguito (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS OBS IN WEBCAM

Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 10 kts in W direction.
The full report is as follows: SIG VA EMS to 18000 ft (5500 m)

Puracé (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .
The full report is as follows: VA EM DETECTED to 17000 ft (5200 m)

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMS