Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .The full report is as follows:FVXX23 at 08:46 UTC, 18/04/26 from KNESVA ADVISORYDTG: 20260418/0843ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0005 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2026/368INFO SOURCE: GOES-19. VONA. NWP MODELS. ERUPTION DETAILS: FRQT VA EMS.OBS VA DTG: 18/0810ZOBS VA CLD: SFC/FL160 N0002 W07726 - S0002 W07723- S0005 W07739 - S0004 W07740 - N0002 W07726 MOVE 15KT FCST VA CLD +6HR: 18/1400Z SFC/FL160 N0006 W07718- S0000 W07716 - S0005 W07740 - S0004 W07740 -N0006 W07718 FCST VA CLD +12HR: 18/2000Z SFC/FL160 S0000W07716 - S0007 W07716 - S0005 W07739 - S0004W07740 - S0000 W07716 FCST VA CLD +18HR: 19/0200Z SFC/FL160 S0002W07716 - S0009 W07716 - S0005 W07740 - S0004W07740 - S0002 W07716 RMK: MULT VA CLDS OBSD BY STLT AFTR WX CLD CVRMOVD N AND NE FM SUMMIT. VONA RCVD FM IG RPRTGHGT OF 700M ABV SUMMIT. HWVR NWP MDLS SUG VAPSBLY UP TO FL160. NWP MDLS FCST LTLCG IN WINDSUNTIL T+12 WHEN E MOVMT IS FCST. ...HOSLEYNXT ADVISORY: WILL BE ISSUED BY 20260418/1445Z