An eruption was reported at Mayon on 21 September 2026 at 11:47 UTC, but the ash cloud height was unknown as of the latest observation at 11:40 UTC. No volcanic ash was identifiable from satellite data.Original VAAC bulletin:FVFE01 at 12:00 UTC, 21/09/26 from RJTDVA ADVISORYDTG: 20260921/1200ZVAAC: TOKYOVOLCANO: MAYON 273030PSN: N1315 E12341AREA: PHILIPPINESSOURCE ELEV: 2462M AMSLADVISORY NR: 2026/794INFO SOURCE: HIMAWARI-9 PHIVOLCSERUPTION DETAILS: ERUPTION AT 20260921/1147Z VA CLD UNKNOWN REPORTEDOBS VA DTG: 21/1140ZOBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 330/4KTFCST VA CLD +6 HR: NOT AVBLFCST VA CLD +12 HR: NOT AVBLFCST VA CLD +18 HR: NOT AVBLRMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY.NXT ADVISORY: NO FURTHER ADVISORIES=