Satellite image of Semeru volcano on 12 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 23:56 UTC, 12/04/26 from ADRMVA ADVISORYDTG: 20260412/0000ZVAAC: DARWINVOLCANO: SEMERU 263300PSN: S0806 E11255AREA: INDONESIASOURCE ELEV: 3657M AMSLADVISORY NR: 2026/420INFO SOURCE: HIMAWARI-9, CVGHMERUPTION DETAILS: VA TO FL150 LAST REP AT 12/2247Z MOV NWOBS VA DTG: 13/2340ZOBS VA CLD: SFC/FL150 S0811 E11255 - S0803 E11230 - S0743 E11235 - S0741 E11257 - S0803 E11303 MOV NW 10KTFCST VA CLD +6 HR: 14/0540Z SFC/FL150 S0807 E11300 - S0811 E11254 - S0800 E11230 - S0741 E11238 - S0742 E11258FCST VA CLD +12 HR: 14/1140Z SFC/FL150 S0811 E11255 - S0759 E11231 - S0741 E11237 - S0741 E11255 - S0806 E11301FCST VA CLD +18 HR: 14/1740Z SFC/FL150 S0811 E11254 - S0759 E11230 - S0741 E11238 - S0742 E11257 - S0806 E11301RMK: DISCRETE VA IDENTIFIABLE ON CURRENT SAT IMG. GROUND REPORTS INDICATE DISCRETE, INTERMITTENT ERUPTIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED ON RECENT SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260412/0600Z=