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 5 kts in SE direction.The full report is as follows:FVAG01 at 05:13 UTC, 06/04/26 from SABMVA ADVISORYDTG: 20260406/0520ZVAAC: BUENOS AIRESVOLCANO: SABANCAYA 354006PSN: S1547 W07150AREA: PERUSUMMIT ELEV: 19576 FT [5967 M]ADVISORY NR: 2026/218INFO SOURCE: GOES-E. GFS. WEBCAM.AVIATION COLOUR CODE: NOT GIVENERUPTION DETAILS: SPORADIC PUFF EMSOBS VA DTG: 06/0450ZOBS VA CLD: SFC/FL210 S1544 W07144 - S1545 W07120- S1601 W07122 - S1559 W07153 - S1547 W07151 -S1544 W07144 MOV SE 5KTFCST VA CLD +6 HR: 06/1050Z SFC/FL210 S1536 W07147- S1537 W07057 - S1545 W07051 - S1608 W07054 -S1617 W07111 - S1616 W07149 - S1601 W07154 -S1548 W07152 - S1536 W07147FCST VA CLD +12 HR: 06/1650Z SFC/FL210 S1527W07059 - S1538 W07039 - S1558 W07036 - S1620W07040 - S1628 W07052 - S1628 W07133 - S1613W07153 - S1549 W07152 - S1528 W07144 - S1527W07059FCST VA CLD +18 HR: 06/2250Z SFC/FL210 S1504W07017 - S1521 W07006 - S1558 W07010 - S1558W07146 - S1547 W07153 - S1528 W07149 - S1522W07147 - S1504 W07115 - S1504 W07017RMK: VA EMISSION DETECTED ON SATELLITE IMAGERY AT0400Z. PUFF EMISSION REACHING FL210 ...SMNNXT ADVISORY: WILL BE ISSUED BY 20260406/1120Z=