Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows:
FVAU04 at 04:30 UTC, 18/01/26 from ADRM
VA ADVISORY
DTG: 20260118/0430Z
VAAC: DARWIN
VOLCANO: MARAPI 261140
PSN: S0023 E10028
AREA: INDONESIA
SOURCE ELEV: 2885M AMSL
ADVISORY NR: 2026/13
INFO SOURCE: CVGHM HIMAWARI-9
ERUPTION DETAILS: VA TO FL120 REPORTED MOV E
OBS VA DTG: 18/0410Z
OBS VA CLD: SFC/FL120 S0024 E10024 – S0017 E10027 – S0018
E10134 – S0051 E10127 MOV E 20KT
FCST VA CLD +6 HR: 18/1010Z NO VA EXP
FCST VA CLD +12 HR: 18/1610Z NO VA EXP
FCST VA CLD +18 HR: 18/2210Z NO VA EXP
RMK: CVGHM REPORTED ERUPTION TO 300M ABV SUMMIT AT 18/0351Z.
VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET CLOUD.
VA IS EXPECTED TO DISSIPATE WITH 3-6HRS. HEIGHT AND MOV
BASED ON MODEL GUIDANCE AND VONA.
NXT ADVISORY: NO LATER THAN 20260118/1030Z=