Una potentissima eruzione esplosiva è avvenuta al vulcano Sheveluch in kamchatka, Russia, avvenuta tra sabato 24 e domenica 25 agosto 2019, che ha generato anche forti flussi piroclastici. Più esplosioni hanno spinto la cenere fino a 70.000 piedi (21,3 km) oltre il livello del mare, secondo quanto riferito da VAAC ANCHORAGE. Il codice aviazione è stato alzato a colore Rosso. L’eruzione del vulcano Shiveluch con l’altezza di 70.000 piedi è arrivato certamente in stratosfera – confermato VEI 5/6.

Shiveluch volcano news and updates

Shiveluch Volcano Volcanic Ash Advisory: VA SHEVELUCH ERUPTION AUG 24TH. to 70000 ft (21300 m)

Sunday Aug 25, 2019 18:15 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 70000 ft (21300 m) altitude or flight level 700 and is moving at 10 kts in NNE direction.
The full report is as follows:

FVAK21 at 18:12 UTC, 25/08/19 from PAWU
VAAAK1
VA ADVISORY

DTG: 20190825/1759Z

VAAC: ANCHORAGE

VOLCANO: SHEVELUCH 300270

PSN: N5639 E16122

AREA: KAMCHATKA PENINSULA

SUMMIT ELEV: 10771 FT [3283 M]

ADVISORY NR: 2019/047

INFO SOURCE: HIMAWARI

AVIATION COLOR CODE: RED

ERUPTION DETAILS: VA SHEVELUCH ERUPTION AUG 24TH.

OBS VA DTG: 25/1759Z

OBS VA CLD: SFC/FL700 N6309 E16551 – N6217 E16819 – N5718 E15756
– N5730 E15526 – N6150 E16134 – N6309 E16551 MOV NNE 10KT.

FCST VA CLD +6HR: 25/2359Z SFC/FL700 N6212 E16040 – N6316 E17019
– N6115 E17320 – N5936 E16720 – N5903 E15808 – N6212 E16040.

FCST VA CLD +12HR: 26/0559Z SFC/FL700 N6404 E17016 – N6239
E17625 – N5942 E16822 – N5930 E15727 – N6214 E15738 – N6404
E17016.

FCST VA CLD +18HR: 26/1159Z SFC/FL700 N6512 E17038 – N6239
W17939 – N6018 E17049 – N6045 E15832 – N6319 E15726 – N6512
E17038 – N6512 E17038.

RMK: T+0 CONFIDENCE LOW.

NXT ADVISORY: WILL BE ISSUED BY 20190825/2359Z

RDE AUG 2019 AAWU

Fonte: Volcano Discovery