Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .The full report is as follows:FVAU01 at 23:57 UTC, 20/04/26 from ADRMVA ADVISORYDTG: 20260421/0000ZVAAC: DARWINVOLCANO: IBU 268030PSN: N0129 E12738AREA: INDONESIASOURCE ELEV: 1325M AMSLADVISORY NR: 2026/450INFO SOURCE: HIMAWARI-9 CVGHMERUPTION DETAILS: VA TO FL070 MOV SOUTHOBS VA DTG: 20/2330ZOBS VA CLD: SFC/FL070 N0130 E12736 - N0130 E12740 - N0106 E12744 - N0107 E12732 MOV S 05KTFCST VA CLD +6 HR: 21/0530Z SFC/FL070 N0129 E12740 - N0108 E12732 - N0113 E12722 - N0123 E12715 - N0131 E12738FCST VA CLD +12 HR: 21/1130Z SFC/FL070 N0129 E12740 - N0107 E12731 - N0112 E12721 - N0123 E12714 - N0131 E12739FCST VA CLD +18 HR: 21/1730Z SFC/FL070 N0130 E12739 - N0128 E12739 - N0119 E12717 - N0131 E12712 - N0137 E12718RMK: INTERMITTENT DISCRETE ERUPTION OBSERVED ON SATELLITE IMAGERY. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260421/0600Z=