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:FVXX20 at 20:56 UTC, 13/12/25 from KNESVA ADVISORYDTG: 20251213/2053ZVAAC: WASHINGTONVOLCANO: REVENTADOR 352010PSN: S0004 W07739AREA: ECUADORSOURCE ELEV: 11686 FT AMSLADVISORY NR: 2025/1271INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: VA EM DETECTED OBS VA DTG: 13/2020ZOBS VA CLD: SFC/FL160 N0004 W07755 - S0004 W07738- S0007 W07739 - S0002 W07758 - N0004 W07755 MOVNW 5KT FCST VA CLD +6HR: 14/0230Z SFC/FL160 N0009 W07800- S0004 W07738 - S0007 W07739 - S0001 W07805 -N0009 W07800 FCST VA CLD +12HR: 14/0830Z SFC/FL160 N0010W07801 - S0004 W07738 - S0007 W07740 - S0001W07805 - N0010 W07801 FCST VA CLD +18HR: 14/1430Z NO VA EXPRMK: VA SIGNATURE OBS IN STLT IMG MOVNG WNW FMSUMMIT. EXP CONT WNW MOVNT THRU T+12 HRS. FL ANDFCST BSD ON NWP MDLS. ...LINERNXT ADVISORY: WILL BE ISSUED BY 20251214/0300Z