Satellite image of Semeru volcano on 11 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 and is moving at 05 kts in NW direction.The full report is as follows:FVAU02 at 12:19 UTC, 11/04/26 from ADRMVA ADVISORYDTG: 20260411/1220ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/414INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 REP FM GND AT 11/1032ZEST VA DTG: 11/1200ZEST VA CLD: SFC/FL150 S0808 E11257 - S0809 E11253 - S0756 E11237 - S0744 E11247 - S0748 E11302 MOV NW 05KTFCST VA CLD +6 HR: 11/1800Z SFC/FL150 S0808 E11257 - S0808 E11252 - S0754 E11238 - S0744 E11250 - S0748 E11303FCST VA CLD +12 HR: 12/0000Z SFC/FL150 S0808 E11257 - S0808 E11253 - S0754 E11239 - S0744 E11249 - S0748 E11302FCST VA CLD +18 HR: 12/0600Z SFC/FL150 S0808 E11257 - S0808 E11252 - S0753 E11239 - S0743 E11250 - S0749 E11304RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260411/1820Z=