Satellite image of Semeru volcano on 30 Dec 2025Explosive 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 10 kts in SE direction.The full report is as follows:FVAU02 at 09:56 UTC, 30/12/25 from ADRMVA ADVISORYDTG: 20251230/1010ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2025/1492INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAMERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 30/0037ZEST VA DTG: 30/0950ZEST VA CLD: SFC/FL150 S0806 E11252 - S0802 E11255 - S0800 E11318 - S0820 E11319 - S0826 E11301 MOV SE 10KTFCST VA CLD +6 HR: 30/1550Z SFC/FL150 S0806 E11252 - S0802 E11255 - S0801 E11318 - S0819 E11320 - S0826 E11303FCST VA CLD +12 HR: 30/2150Z SFC/FL150 S0807 E11253 - S0802 E11254 - S0758 E11317 - S0816 E11322 - S0825 E11306FCST VA CLD +18 HR: 31/0350Z SFC/FL150 S0807 E11252 - S0802 E11253 - S0756 E11318 - S0812 E11323 - S0825 E11309RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20251230/1610Z=