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Semisopochnoi Volcano Volcanic Ash Advisory: MINOR EMISSIONS AFT 16Z AND PERIODIC LOW LEVEL ERUPTIONS CONTINUE. to 16000 ft (4900 m)

dim., 10 oct. 2021, 18:30
18:30 PM | AUTEUR : VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 15 kts in SE direction.
The full report is as follows:

FVAK21 at 18:15 UTC, 10/10/21 from PAWU
VAAAK1
VA ADVISORY

DTG: 20211010/1810Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/154

INFO SOURCE: HIMAWARI/VOLCAT

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: MINOR EMISSIONS AFT 16Z AND PERIODIC LOW LEVEL ERUPTIONS
CONTINUE.

OBS VA DTG: 10/1810Z

OBS VA CLD: SFC/FL160 N5203 E17941 - N5106 W17823 - N5044 W17955
- N5157 E17925 - N5203 E17941 MOV SE 15KT

FCST VA CLD +6HR: 11/0010Z SFC/FL160 N5204 E17941 - N5105 W17820
- N5042 W17954 - N5157 E17924 - N5204 E17941

FCST VA CLD +12HR: 11/0610Z SFC/FL160 N5205 E17942 - N5105
W17818 - N5041 W17952 - N5158 E17923 - N5205 E17942

FCST VA CLD +18HR: 11/1210Z SFC/FL160 N5204 E17941 - N5104
W17816 - N5040 W17951 - N5157 E17922 - N5204 E17941 - N5204 E17941

RMK: SEMI-CONTINUOUS LOW LEVEL ERUPTION. ...N8

NXT ADVISORY: WILL BE ISSUED BY 20211011/0010Z

Actualités précédentes

mer., 6 oct. 2021, 06:00

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 6 October-12 October 2021 (Continuing Activity)

AVO reported that eruptive activity at Semisopochnoi's North Cerberus crater continued during 6-12 October. Seismicity remained elevated and a few explosions per day were detected in infrasound data. Although weather clouds often prevented webcam and satellite views, discontinuous, low-level ash emissions were visible rising to altitudes up to 3 km (10,000 ft a.s.l.) and drifting E during 8-9 October. ... Read all
Montrer plus
Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Condition actuelle: Activité petite ou avertissement éruption imminente (3 sur 5) Eruptions du volcan Semisopochnoi:
2021, 2020, 2019, 2018, 1987
Style éruptif tipique
unspecified
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