Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .The full report is as follows:FVXX20 at 20:57 UTC, 12/11/25 from KNESVA ADVISORYDTG: 20251112/2054ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSUMMIT ELEV: 11686 FT [3562 M]ADVISORY NR: 2025/1135INFO SOURCE: GOES-19. NWP MODELS. VOLCAT. ERUPTION DETAILS: ONGOING VA EMSOBS VA DTG: 12/2020ZOBS VA CLD: SFC/FL170 S0004 W07740 - S0005 W07738- S0021 W07751 - S0014 W07758 - S0004 W07740 MOVSW 5KT FCST VA CLD +6HR: 13/0230Z SFC/FL170 S0004 W07739- S0005 W07739 - S0020 W07801 - S0011 W07805 -S0004 W07739 FCST VA CLD +12HR: 13/0830Z SFC/FL170 S0004W07739 - S0005 W07738 - S0020 W07801 - S0011W07805 - S0004 W07739 FCST VA CLD +18HR: 13/1430Z SFC/FL170 S0001W07805 - S0004 W07739 - S0005 W07739 - S0010W07805 - S0001 W07805 RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 20 NM SWFM SUMMIT. SW MVMT EXP TO SHIFT W BY T+18 HRS.MVMT AND HGT BASED ON STLT OBS AND NWP MDLS....BERTALANNXT ADVISORY: WILL BE ISSUED BY 20251113/0300Z