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Semisopochnoi Volcano Volcanic Ash Advisory: LOW LEVEL VA ERUPTIONS HAVE RESUMED. to 8000 ft (2400 m)

Mon, 25 Oct 2021, 00:00
00:00 AM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 40 kts in S direction.
The full report is as follows:

FVAK21 at 23:47 UTC, 24/10/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20211024/2345Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/170

INFO SOURCE: HIMAWARI/WEB CAM

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: LOW LEVEL VA ERUPTIONS HAVE RESUMED.

OBS VA DTG: 24/2345Z

OBS VA CLD: SFC/FL080 N5211 E17954 - N5054 W17927 - N5100 E17860
- N5205 E17910 - N5211 E17954 MOV S 40KT

FCST VA CLD +6HR: 25/0545Z SFC/FL080 N5210 E17955 - N5058 W17821
- N5012 E17937 - N5159 E17856 - N5210 E17955

FCST VA CLD +12HR: 25/1145Z SFC/FL080 N5215 W17957 - N5120
W17742 - N5011 W17931 - N5151 E17844 - N5215 W17957

FCST VA CLD +18HR: 25/1745Z SFC/FL080 N5217 E17950 - N5119
W17743 - N5011 W17923 - N5151 E17835 - N5217 E17950 - N5217 E17950

RMK: NONE.

NXT ADVISORY: WILL BE ISSUED BY 20211025/0545Z

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Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Current status: restless (2 out of 5) Semisopochnoi volcano eruptions:
2021, 2020, 2019, 2018, 1987
Typical eruption style
unspecified
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