Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 .
The full report is as follows:
FVAG01 at 17:40 UTC, 18/04/26 from SABM
VA ADVISORY
DTG: 20260418/1750Z
VAAC: BUENOS AIRES
VOLCANO: SABANCAYA 354006
PSN: S1547 W07150
AREA: PERU
SUMMIT ELEV: 19576 FT [5967 M]
ADVISORY NR: 2026/256
INFO SOURCE: GOES-E. GFS. WEBCAM.
AVIATION COLOUR CODE: NOT GIVEN
ERUPTION DETAILS: SPORADIC PUFF EMS
OBS VA DTG: 18/1720Z
OBS VA CLD: SFC/FL220 S1545 W07151 – S1603 W07136
– S1611 W07142 – S1608 W07159 – S1545 W07151 MOV
S 15KT
FCST VA CLD +6 HR: 18/2320Z SFC/FL220 S1547 W07149
– S1605 W07132 – S1618 W07144 – S1612 W07159 –
S1547 W07149
FCST VA CLD +12 HR: 19/0520Z SFC/FL220 S1546
W07150 – S1601 W07138 – S1611 W07146 – S1610
W07158 – S1546 W07150
FCST VA CLD +18 HR: 19/1120Z SFC/FL220 S1544
W07152 – S1556 W07123 – S1611 W07137 – S1611
W07150 – S1544 W07152
RMK: VA PULSE ARE DETECTED IN STLT IMAGERY,
PARTIALLY HIDDEN BY WX CLDS. WEBCAM SHOW SPORADIC
PUFF EMS. …SMN
NXT ADVISORY: WILL BE ISSUED BY 20260418/2350Z=