Satellite image of Semeru volcano on 20 Mar 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 22:50 UTC, 20/03/26 from ADRMVA ADVISORYDTG: 20260320/2250ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/325INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 REPORTED AT 20/2022ZEST VA DTG: 20/2230ZEST VA CLD: SFC/FL150 S0803 E11250 - S0743 E11314 - S0753 E11335 - S0809 E11339 - S0822 E11318 - S0811 E11250 MOV E 05KTFCST VA CLD +6 HR: 21/0430Z SFC/FL150 S0809 E11251 - S0800 E11250 - S0744 E11314 - S0757 E11333 - S0820 E11319FCST VA CLD +12 HR: 21/1030Z SFC/FL150 S0809 E11250 - S0800 E11250 - S0744 E11314 - S0801 E11331 - S0820 E11319FCST VA CLD +18 HR: 21/1630Z SFC/FL150 S0812 E11253 - S0803 E11248 - S0742 E11312 - S0748 E11334 - S0757 E11340 - S0816 E11320RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET CLOUD. INTERMITTENT DISCRETE VA EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-9, GROUND REPORT AND MODEL GUIDANCE. LOW CONFIDENCE IN FORECAST DUE TO LIGHT AND VARIABLE WINDS.NXT ADVISORY: NO LATER THAN 20260321/0450Z=