Satellite image of Chikurachki volcano on 20 Sep 2026Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Tokyo warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150, and moving at 15 kts in NE direction.Original VAAC bulletin:FVFE01 at 19:55 UTC, 20/09/26 from RJTDVA ADVISORYDTG: 20260920/1955ZVAAC: TOKYOVOLCANO: CHIKURACHKI 290360PSN: N5019 E15528AREA: KURIL ISLANDSSOURCE ELEV: 1781M AMSLADVISORY NR: 2026/1INFO SOURCE: HIMAWARI-9ERUPTION DETAILS: POSS ERUPTION OBS AT 20260920/1850Z FL150 EXTD NEOBS VA DTG: 20/1920ZOBS VA CLD: SFC/FL150 N5022 E15526 - N5034 E15541 - N5029 E15544 - N5019 E15530 MOV NE 15KTFCST VA CLD +6 HR: 21/0120Z SFC/FL150 N5144 E15618 - N5021 E15721 - N5015 E15627 - N5113 E15538FCST VA CLD +12 HR: 21/0720Z SFC/FL150 N5121 E15846 - N5040 E15905 - N5013 E15756 - N5202 E15558 - N5212 E15632FCST VA CLD +18 HR: NO VA EXPRMK: NILNXT ADVISORY: 20260921/0000Z=