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:
FVXX22 at 12:18 UTC, 12/09/26 from KNES VA ADVISORY DTG: 20260912/1215Z
RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG APPRX 40 NM WNW FM SUMMIT. WNW MVMT EXP TO SHIFT MORE W BY T+6 HRS, AND MORE SW BY T+12 HRS. MVMT AND HGT BASED ON WEBCAM, STLT OBS AND NWP MDLS. ...BERTALAN
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, and moving at 15 kts in W direction. Original VAAC bulletin:
FVXX20 at 09:04 UTC, 12/09/26 from KNES VA ADVISORY DTG: 20260912/0902Z
RMK: MULT VA CLDS OBSD EXTDG FM SUMMIT TO ALMOST 100 NMI WNW - W OF THE SUMMIT. VA MOVG WNW FM SUMMIT THEN W-WNW UNTIL THE VA ENTERS MEX WHERE VA MOVS NW. NWP MDLS FCST CONTD W-WNW MOMVT THRU T+6 THEN W MOVMT THRAFR. ...HOSLEY
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:
FVAU01 at 01:09 UTC, 12/09/26 from ADRM VA ADVISORY DTG: 20260912/0110Z VAAC: DARWIN VOLCANO: DUKONO 268010 PSN: N0142 E12754 AREA: INDONESIA SOURCE ELEV: 1229M AMSL ADVISORY NR: 2026/741 INFO SOURCE: HIMAWARI-9 ERUPTION DETAILS: VA TO FL070 OBS AT 12/0050Z MOV S OBS VA DTG: 12/0050Z OBS VA CLD: SFC/FL070 N0148 E12758 - N0118 E12807 - N0105 E12748 - N0121 E12734 - N0148 E12748 MOV S 05KT FCST VA CLD +6 HR: 12/0650Z SFC/FL070 N0141 E12744 - N0152 E12747 - N0204 E12813 - N0147 E12828 - N0121 E12817 - N0117 E12750 FCST VA CLD +12 HR: 12/1250Z SFC/FL070 N0148 E12743 - N0207 E12803 - N0154 E12828 - N0128 E12820 - N0130 E12749 FCST VA CLD +18 HR: 12/1850Z SFC/FL070 N0147 E12749 - N0149 E12823 - N0135 E12830 - N0125 E12818 - N0138 E12747 RMK: VA IDENTIFIABLE ON CURRENT SAT IMG EXT TO S. HEIGHT AND MOVEMENT BASED ON SAT IMG AND MODEL GUIDANCE. LOW CONFIDENCE IN FORECAST VA MOVEMENT DUE TO LIGHT VARIABLE WINDS. NXT ADVISORY: NO LATER THAN 20260912/0710Z=
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 W direction. Original VAAC bulletin:
FVAU06 at 00:21 UTC, 12/09/26 from ADRM VA ADVISORY DTG: 20260912/0020Z VAAC: DARWIN VOLCANO: LEWOTOLOK 264230 PSN: S0816 E12330 AREA: INDONESIA SOURCE ELEV: 1423M AMSL ADVISORY NR: 2026/222 INFO SOURCE: HIMAWARI-9 CVGHM ERUPTION DETAILS: VA TO FL070 OBS 12/0000Z OBS VA DTG: 12/0000Z OBS VA CLD: SFC/FL070 S0818 E12333 - S0829 E12251 - S0802 E12251 - S0812 E12333 MOV W 20KT FCST VA CLD +6 HR: 12/0600Z SFC/FL070 S0818 E12333 - S0829 E12251 - S0800 E12253 - S0759 E12310 - S0812 E12333 FCST VA CLD +12 HR: 12/1200Z SFC/FL070 S0814 E12334 - S0820 E12332 - S0820 E12247 - S0753 E12255 FCST VA CLD +18 HR: 12/1800Z SFC/FL070 S0815 E12333 - S0821 E12332 - S0820 E12248 - S0752 E12254 RMK: VA IDENTIFIABLE ON CURRENT SAT IMG MOV W. ERUPTIONS ARE EXPECTED TO BE ONGOING. VA HEIGHT AND FCST BASED ON GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260912/0620Z=
Etna (Sicily, Italy): A weak ash emission from Etna was still ongoing as of 16:00 UTC on 11 September 2026, but no ash plume was identifiable from satellite or webcam data due to cloud cover. Forecasts indicate no volcanic ash expected in the following hours. Original VAAC bulletin:weak ash emission ongoing as of 16:00 UTC
Sakurajima (Kyushu, Japan): (11 Sep) The explosive eruption at the volcano continues.
A vigorous vulcanian-sized eruption generated a copious ash plume rising to an altitude of 8,000 ft (2,400 m) that propagated to the south.
The warning bulletin states that ballistic impacts of volcanic bombs and pyroclastic flows could affect an area of about 2 km distance from the main crater.
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 Sep 11, 09:43 UTC
Lewotolo (Lesser Sunda Islands): 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 W direction. Original VAAC bulletin:ash plume to 7,000 ft (2,100 m) as of Sep 11, 18:05 UTC
Semeru (East Java, Indonesia): (11 Sep) 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 Sep 10, 23:59 UTC
Dukono (Halmahera): (11 Sep) 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 Sep 11, 07:28 UTC
Santiaguito (Guatemala): Intermittent volcanic ash emissions were reported for Santiaguito. No specific ash plume height or observation time was provided in the latest advisory. 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 17000 ft (5200 m), or flight level 170, and moving at 10 kts in SW direction. Original VAAC bulletin:ash plume to 17,000 ft (5,200 m) as of Sep 11, 19:20 UTC
Puracé (Colombia): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:PSBL VA EMS
Reventador (Ecuador): The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin. Original VAAC bulletin:VA EMS LIKELY
