Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 26/1620Z OBS VA DTG: 26/1610Z to 15000 ft (4600 m)

Satellite image of Semeru volcano on 26 Jun 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 and is moving at 10 kts in W direction.
The full report is as follows:

FVAU02 at 16:22 UTC, 26/06/26 from ADRM
VA ADVISORY
DTG: 20260626/1630Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/726
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 26/1620Z
OBS VA DTG: 26/1610Z
OBS VA CLD: SFC/FL150 S0803 E11259 – S0810 E11259 – S0819
E11222 – S0801 E11215 – S0746 E11229 MOV W 10KT
FCST VA CLD +6 HR: 26/2210Z SFC/FL150 S0809 E11258 – S0815
E11219 – S0800 E11213 – S0749 E11225 – S0803 E11258
FCST VA CLD +12 HR: 27/0410Z SFC/FL150 S0804 E11259 – S0810
E11258 – S0813 E11217 – S0753 E11214 – S0742 E11231
FCST VA CLD +18 HR: 27/1010Z SFC/FL150 S0803 E11259 – S0810
E11259 – S0824 E11233 – S0805 E11216 – S0744 E11235
RMK: VA IDENTIFIABLE ON LATEST RGB IMAGERY W OF SUMMIT. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SATELLITE IMG,
RECENT GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260626/2230Z=

Lewotobi Volcano Volcanic Ash Advisory: VA LAST REPORTED AT 26/0945Z EST VA DTG: 26/1240Z

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

FVAU04 at 12:57 UTC, 26/06/26 from ADRM
VA ADVISORY
DTG: 20260626/1300Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/176
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA LAST REPORTED AT 26/0945Z
EST VA DTG: 26/1240Z
EST VA CLD: SFC/FL100 S0835 E12249 – S0836 E12244 – S0823
E12234 – S0816 E12242 – S0819 E12252 MOV N 05KT
FCST VA CLD +6 HR: 26/1840Z SFC/FL100 S0834 E12248 – S0834
E12244 – S0817 E12235 – S0812 E12245 – S0818 E12258
FCST VA CLD +12 HR: 27/0040Z SFC/FL100 S0834 E12248 – S0834
E12244 – S0818 E12233 – S0812 E12245 – S0819 E12259
FCST VA CLD +18 HR: 27/0640Z SFC/FL100 S0835 E12248 – S0833
E12243 – S0816 E12238 – S0814 E12257 – S0828 E12305
RMK: VA NOT IDENTIFIABLE ON SATELLITE. ONGOING VA EMS. LIGHT
VRB WINDS. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260626/1900Z=