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Semisopochnoi Volcano Volcanic Ash Advisory: FREQUENT EXPLOSIONS CONTINUE. to 10000 ft (3000 m)

Sat, 25 Sep 2021, 18:00 | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 15 kts in SE direction.
The full report is as follows:

FVAK23 at 17:48 UTC, 25/09/21 from PAWU
VAAAK3
VA ADVISORY

DTG: 20210925/1738Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/142

INFO SOURCE: GOES/AVO

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: FREQUENT EXPLOSIONS CONTINUE.

OBS VA DTG: 25/1738Z

OBS VA CLD: SFC/FL100 N5212 E17860 - N5219 W17940 - N5029 W17607
- N5006 W17932 - N5212 E17860 MOV SE 15KT.

FCST VA CLD +6HR: 25/2338Z SFC/FL100 N5215 E17849 - N5223 W17925
- N5031 W17559 - N5006 W17940 - N5215 E17849.

FCST VA CLD +12HR: 26/0538Z SFC/FL100 N5236 E17830 - N5245
W17937 - N5054 W17642 - N5045 E17956 - N5236 E17830 - N5236
E17830.

FCST VA CLD +18HR: 26/1138Z NO VA EXP.

RMK: VA VISIBLE ON GOES-17 ASH DUST AND RGB PRODUCTS.

NXT ADVISORY: WILL BE ISSUED BY 20210925/2338Z

KH SEP 2021 AAWU

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Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Current status: normal or dormant (1 out of 5) Semisopochnoi volcano eruptions:
2021, 2020, 2019, 2018, 1987
Typical eruption style
unspecified
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