Satellite image of Lewotobi volcano on 21 Aug 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.Original VAAC bulletin:FVAU04 at 23:01 UTC, 21/08/26 from ADRMVA ADVISORYDTG: 20260821/2300ZVAAC: DARWINVOLCANO: LEWOTOBI 264180PSN: S0833 E12246AREA: INDONESIASOURCE ELEV: 1703M AMSLADVISORY NR: 2026/406INFO SOURCE: CVGHM, HIMAWARI-9ERUPTION DETAILS: VA TO FL070 MOV N REPORTED AT 21/2229ZOBS VA DTG: 21/2240ZOBS VA CLD: SFC/FL070 S0834 E12248 - S0834 E12245 - S0833 E12237 - S0826 E12238 - S0825 E12246 - S0828 E12253 MOV N 10KTFCST VA CLD +6 HR: 22/0440Z SFC/FL070 S0834 E12246 - S0832 E12229 - S0818 E12230 - S0814 E12246 - S0825 E12256 - S0834 E12248FCST VA CLD +12 HR: 22/1040Z SFC/FL070 S0833 E12248 - S0834 E12246 - S0832 E12229 - S0818 E12230 - S0814 E12246 - S0824 E12256FCST VA CLD +18 HR: 22/1640Z SFC/FL070 S0834 E12246 - S0832 E12230 - S0818 E12230 - S0814 E12246 - S0824 E12256 - S0834 E12248RMK: CVGHM REPORTED ERUPTION TO 500M ABOVE SUMMIT. VA NOT IDENTIFIABLE ON SATELLITE IMAGERY. VA HEIGHT BASED ON GROUND REPORT AND MOVEMENT BASED ON CONSENSUS MODEL GUIDANCE.NXT ADVISORY: NO LATER THAN 20260822/0500Z=