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 20 kts in E direction. Original VAAC bulletin:
FVAU01 at 07:01 UTC, 04/10/26 from ADRM VA ADVISORY DTG: 20261004/0701Z VAAC: DARWIN VOLCANO: DUKONO 268010 PSN: N0142 E12754 AREA: INDONESIA SOURCE ELEV: 1229M AMSL ADVISORY NR: 2026/833 INFO SOURCE: HIMAWARI-9 ERUPTION DETAILS: VA TO FL070 EXTD EAST OBS VA DTG: 04/0640Z OBS VA CLD: SFC/FL070 N0139 E12751 - N0145 E12750 - N0206 E12816 - N0159 E12917 - N0137 E12920 MOV E 20KT FCST VA CLD +6 HR: 04/1240Z SFC/FL070 N0140 E12752 - N0140 E12752 - N0144 E12750 - N0204 E12802 - N0227 E12848 - N0217 E12913 - N0156 E12925 - N0135 E12925 FCST VA CLD +12 HR: 04/1840Z SFC/FL070 N0143 E12751 - N0204 E12802 - N0227 E12848 - N0217 E12912 - N0156 E12926 - N0136 E12925 - N0139 E12753 FCST VA CLD +18 HR: 05/0040Z SFC/FL070 N0144 E12751 - N0204 E12802 - N0226 E12848 - N0216 E12913 - N0157 E12926 - N0136 E12926 - N0139 E12752 RMK: CONTINUOUS VA ERUPTION IDENTIFIABLE ON VIS SATELLITE IMAGERY. HEIGHT AND MOVEMENT BASED ON RECENT SATELLITE IMAGERY AND MODEL GUIDANCE.**ADV UPDATED** NXT ADVISORY: NO LATER THAN 20261004/1301Z=
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 03:59 UTC, 04/10/26 from ADRM VA ADVISORY DTG: 20261004/0400Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2026/1125 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL070 MOV E OBS VA DTG: 04/0340Z OBS VA CLD: SFC/FL070 N0126 E12737 - N0132 E12735 - N0151 E12814 - N0133 E12823 - N0119 E12818 MOV E 10KT FCST VA CLD +6 HR: 04/0940Z SFC/FL070 N0126 E12737 - N0132 E12736 - N0152 E12816 - N0136 E12823 - N0117 E12819 FCST VA CLD +12 HR: 04/1540Z SFC/FL070 N0126 E12737 - N0132 E12736 - N0151 E12816 - N0135 E12823 - N0119 E12818 FCST VA CLD +18 HR: 04/2140Z SFC/FL070 N0131 E12736 - N0151 E12816 - N0135 E12823 - N0119 E12818 - N0126 E12737 RMK: NTERMITTENT ERUPTIONS IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20261004/1000Z=
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 01:33 UTC, 04/10/26 from ADRM VA ADVISORY DTG: 20261004/0141Z VAAC: DARWIN VOLCANO: LEWOTOLOK 264230 PSN: S0816 E12330 AREA: INDONESIA SOURCE ELEV: 1423M AMSL ADVISORY NR: 2026/306 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL060 MOV NW OBS VA DTG: 04/0100Z OBS VA CLD: SFC/FL060 S0818 E12331 - S0759 E12249 - S0744 E12259 - S0816 E12333 MOV NW 15KT FCST VA CLD +6 HR: 04/0700Z SFC/FL060 S0819 E12331 - S0801 E12246 - S0737 E12303 - S0816 E12333 FCST VA CLD +12 HR: 04/1300Z SFC/FL060 S0819 E12330 - S0800 E12246 - S0737 E12303 - S0816 E12333 FCST VA CLD +18 HR: 04/1900Z SFC/FL060 S0818 E12331 - S0801 E12247 - S0737 E12303 - S0816 E12333 RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON SATELLITE IMAGERY. HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20261004/0741Z=
Mayon (Luzon Island, Philippines): (3 Oct) An eruption was reported at Mayon on 3 October 2026 at 00:04 UTC, but the ash cloud was not identifiable in satellite data as of 00:10 UTC. No ash plume height was observed or reported. Original VAAC bulletin:ash cloud reported, height unknown as of 03 Oct 2026, 00:10 UTC
Manam (Papua New Guinea): (3 Oct) 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 3, 06:40 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, and moving at 15 kts in E direction. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Oct 3, 09:40 UTC
Semeru (East Java, Indonesia): An eruption was last reported at Semeru at 10:57 UTC on October 3, 2026. Ash height and movement are based on ground reports and model guidance, but no specific ash plume height was observed or confirmed in satellite imagery. Original VAAC bulletin:Semeru Volcanic Ash Advisory
Dukono (Halmahera): 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 3, 12:20 UTC
Santiaguito (Guatemala): Volcanic ash emissions were observed at Santiaguito, with the latest observation at 03 October 2026, 13:40 UTC. Forecasts indicate ash cloud movement generally north to northwest through the next 12 hours. 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 14000 ft (4300 m), or flight level 140, and moving at 5 kts in N direction. Original VAAC bulletin:ash plume to 14,000 ft (4,300 m) as of Oct 3, 16:10 UTC
Telica (Nicaragua): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:LGT VA EMS OBS
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 3, 17:30 UTC
Sangay (Ecuador): Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 21000 ft (6400 m), or flight level 210. Original VAAC bulletin:ash plume to 21,000 ft (6,400 m) as of Oct 3, 10:50 UTC
Reventador (Ecuador): Ongoing volcanic ash emissions are reported at Reventador. As of 03 October 2026 at 09:00 UTC, no ash plume height was observed due to weather clouds, but summit activity is visible on webcam and ash emissions are likely continuing. Original VAAC bulletin:Reventador Volcanic Ash Advisory
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, and moving at 5 kts in N direction. Original VAAC bulletin:
FVXX20 at 16:41 UTC, 03/10/26 from KNES VA ADVISORY DTG: 20261003/1638Z
