Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 4000 ft (1200 m) altitude or flight level 040 .The full report is as follows:FVXX25 at 00:25 UTC, 28/07/26 from KNESVA ADVISORYDTG: 20260728/0023ZVAAC: WASHINGTONVOLCANO: MASAYA 344100PSN: N1159 W08610AREA: NICARAGUASOURCE ELEV: 1949 FT AMSLADVISORY NR: 2026/009INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSOBS VA DTG: 27/2350ZOBS VA CLD: SFC/FL040 N1201 W08612 - N1158 W08609- N1153 W08615 - N1156 W08617 - N1201 W08612 MOVSW 20KT FCST VA CLD +6HR: 28/0600Z SFC/FL040 N1200 W08610- N1158 W08609 - N1152 W08622 - N1155 W08623 -N1200 W08610 FCST VA CLD +12HR: 28/1200Z NO VA EXPFCST VA CLD +18HR: 28/1800Z NO VA EXPRMK: VA EMS OBS IN STLT IMG UP TO APPRX 7NM FMSUMMIT. LGT VA EMS SEEN IN WEBCAM. NWP MDLGUIDANCE FCSTS GEN SW MOVMT THRU T+6. HGT BASEDON WEBCAM. ...MONAGHANNXT ADVISORY: WILL BE ISSUED BY 20260728/0615Z