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Satellite image of Lewotobi volcano on 11 Aug 2026

Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:

FVAU04 at 01:12 UTC, 11/08/26 from ADRM
VA ADVISORY
DTG: 20260811/0110Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/363
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION REPORTED AT 10/1553Z
EST VA DTG: 11/0050Z
EST VA CLD: SFC/FL090 S0829 E12241 – S0827 E12249 – S0857
E12319 – S0916 E12256 – S0905 E12228 MOV SE 10KT
FCST VA CLD +6 HR: 11/0650Z SFC/FL090 S0827 E12250 – S0901
E12308 – S0913 E12250 – S0901 E12229 – S0827 E12241
FCST VA CLD +12 HR: 11/1250Z SFC/FL090 S0826 E12249 – S0855
E12307 – S0908 E12248 – S0857 E12228 – S0827 E12240
FCST VA CLD +18 HR: 11/1850Z SFC/FL090 S0829 E12241 – S0827
E12250 – S0857 E12313 – S0910 E12254 – S0902 E12229
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD. GROUND REPORTS INDICATE ONGOING DISCRETE
EMISSIONS. VA HEIGHT AND MOVEMENT BASED ON SATELLITE
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260811/0710Z=

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 21:50 UTC, 10/08/26 from ADRM
VA ADVISORY
DTG: 20260810/2150Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/903
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS AT 10/1510Z MOV SE
OBS VA DTG: 10/2130Z
OBS VA CLD: SFC/FL070 N0130 E12731 – N0137 E12735 – N0131
E12819 – N0111 E12819 – N0102 E12758 MOV SE 10KT
FCST VA CLD +6 HR: 11/0330Z SFC/FL070 N0128 E12732 – N0136
E12735 – N0133 E12812 – N0115 E12818 – N0103 E12759
FCST VA CLD +12 HR: 11/0930Z SFC/FL070 N0128 E12732 – N0138
E12735 – N0140 E12802 – N0113 E12822 – N0059 E12759
FCST VA CLD +18 HR: 11/1530Z SFC/FL070 N0129 E12731 – N0137
E12735 – N0140 E12754 – N0134 E12816 – N0114 E12818 – N0102
E12756
RMK: VA EMISSIONS IDENTIFIABLE ON EARLIER RGB SATELLITE
IMAGERY MOVING SE, BUT AREA NOW OBSCURED BY MET CLOUD.
DISCRETE EMISSIONS ARE EXPECTED TO BE ONGOING. VA HEIGHT AND
FCST BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260811/0350Z=

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:

FVXX23 at 17:08 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/1705Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/378

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: CONTG OBS VA EMS.

OBS VA DTG: 10/1640Z

OBS VA CLD: SFC/FL170 N0231 W07645 – N0220 W07623
– N0218 W07624 – N0219 W07648 – N0231 W07645 MOV
NW 25KT

FCST VA CLD +6HR: 10/2230Z SFC/FL170 N0241 W07705
– N0220 W07623 – N0219 W07624 – N0220 W07709 –
N0241 W07705

FCST VA CLD +12HR: 11/0430Z SFC/FL170 N0241
W07705 – N0220 W07623 – N0217 W07623 – N0220
W07709 – N0241 W07705

FCST VA CLD +18HR: 11/1030Z SFC/FL170 N0243
W07705 – N0220 W07623 – N0218 W07623 – N0220
W07709 – N0243 W07705

RMK: VA EMS CONTG AS OBS IN SAT IMG. OBS VA FL
ESTD FM NWP MDLS. FL MVMT EXP TO PERSIST THROUGH
T+18 HRS. …CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260810/2300Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 and is moving at 10 kts in W direction.
The full report is as follows:

FVXX21 at 13:55 UTC, 10/08/26 from KNES
VA ADVISORY
DTG: 20260810/1353Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/463

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

ERUPTION DETAILS: CONT VA EMS OBS

OBS VA DTG: 10/1320Z

OBS VA CLD: SFC/FL130 N1452 W09204 – N1446 W09132
– N1443 W09203 – N1452 W09204 MOV W 10KT

FCST VA CLD +6HR: 10/1930Z SFC/FL130 N1449 W09152
– N1446 W09132 – N1441 W09150 – N1449 W09152

FCST VA CLD +12HR: 11/0130Z SFC/FL130 N1451
W09152 – N1446 W09132 – N1443 W09152 – N1451
W09152

FCST VA CLD +18HR: 11/0730Z SFC/FL130 N1452
W09151 – N1446 W09132 – N1443 W09152 – N1452
W09151

RMK: CONT LGT VA EMS OBS MOV W FM SUMMIT IN STLT
IMAGERY. VA FCST TO CONT W MOV THRU T+18HRS
BEFORE DISP. VO ACT LOW. …FISHER

NXT ADVISORY: WILL BE ISSUED BY 20260810/2000Z