Satellite image of Semeru volcano on 3 Jan 2026Explosive 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 .The full report is as follows:FVAU02 at 10:04 UTC, 03/01/26 from ADRMVA ADVISORYDTG: 20260103/1010ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/10INFO SOURCE: CVGHM, HIMAWARI-9ERUPTION DETAILS: VA TO FL150 MOV NE LAST REPORTED AT 02/2228ZEST VA DTG: 03/0950ZEST VA CLD: SFC/FL150 S0811 E11250 - S0801 E11244 - S0753 E11256 - S0800 E11306 - S0812 E11302 MOV N 05KTFCST VA CLD +6 HR: 03/1550Z SFC/FL150 S0811 E11250 - S0801 E11244 - S0753 E11256 - S0800 E11306 - S0812 E11302FCST VA CLD +12 HR: 03/2150Z SFC/FL150 S0808 E11301 - S0817 E11247 - S0804 E11238 - S0755 E11249 - S0802 E11300FCST VA CLD +18 HR: 04/0350Z SFC/FL150 S0809 E11301 - S0817 E11249 - S0805 E11238 - S0755 E11248 - S0801 E11300RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMG DUE TO MET CLOUD. GND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON GND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST DUE TO LIGHT AND VRB WINDS.NXT ADVISORY: NO LATER THAN 20260103/1610Z=