Satellite image of Semeru volcano on 25 Apr 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 04:52 UTC, 25/04/26 from ADRMVA ADVISORYDTG: 20260425/0450ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/470INFO SOURCE: CVGHM, HIMAWARI-9ERUPTION DETAILS: VA TO FL150 OBS AT 25/0330Z MOV WEST VA DTG: 25/0430ZEST VA CLD: SFC/FL150 S0804 E11259 - S0810 E11259 - S0822 E11226 - S0808 E11220 - S0755 E11225 MOV W 10KTFCST VA CLD +6 HR: 25/1030Z SFC/FL150 S0804 E11259 - S0810 E11259 - S0815 E11221 - S0800 E11219 - S0748 E11226FCST VA CLD +12 HR: 25/1630Z SFC/FL150 S0810 E11258 - S0805 E11219 - S0749 E11215 - S0745 E11230 - S0804 E11300FCST VA CLD +18 HR: 25/2230Z SFC/FL150 S0809 E11257 - S0800 E11215 - S0747 E11209 - S0744 E11223 - S0805 E11259RMK: VA EMISSION IDENTIFIABLE ON RECENT SAT IMG MOV W, AREA CURRENTLY OBSCURED BY MET CLOUD. GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SAT IMG, GND REPS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260425/1050Z=