Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 and is moving at 10 kts in W direction.The full report is as follows:FVAG01 at 11:10 UTC, 04/05/26 from SABMVA ADVISORYDTG: 20260504/1120ZVAAC: BUENOS AIRESVOLCANO: SABANCAYA 354006PSN: S1547 W07150AREA: PERUSUMMIT ELEV: 19576 FT [5967 M]ADVISORY NR: 2026/307INFO SOURCE: GOES-E. GFS. WEBCAM.AVIATION COLOUR CODE: NOT GIVENERUPTION DETAILS: PUFF EMISSIONSOBS VA DTG: 04/1050ZOBS VA CLD: SFC/FL210 S1542 W07226 - S1545 W07150- S1555 W07223 - S1547 W07227 - S1542 W07226 MOVW 10KTFCST VA CLD +6 HR: 04/1650Z SFC/FL210 S1545 W07150- S1610 W07208 - S1605 W07219 - S1555 W07223 -S1545 W07150FCST VA CLD +12 HR: 04/2250Z SFC/FL210 S1544W07150 - S1611 W07205 - S1607 W07219 - S1559W07224 - S1544 W07150FCST VA CLD +18 HR: 05/0450Z SFC/FL210 S1544W07150 - S1612 W07202 - S1607 W07219 - S1559W07225 - S1544 W07150RMK: VA PLUME SEEN FM STL MOV W 10KT. WEBCAMSHOWS PUFF EMISSIONS OF VA TL FL210. ...SMNNXT ADVISORY: WILL BE ISSUED BY 20260504/1720Z=