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Semisopochnoi Volcano Volcanic Ash Advisory: INTERMITTENT ERUPTIONS to 6000 ft (1800 m)

mar., 10 mai 2022, 10:15
10:15 AM | AUTEUR : VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 20 kts in WNW direction.
The full report is as follows:

FVAK21 at 10:04 UTC, 10/05/22 from PAWU
VAAAK1
VA ADVISORY

DTG: 20220510/1000Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2022/008

INFO SOURCE: HIMAWARI/WEBCAM

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: INTERMITTENT ERUPTIONS

OBS VA DTG: 10/1000Z

OBS VA CLD: SFC/FL060 N5210 E17945 - N5147 E17943 - N5152 E17710
- N5238 E17745 - N5210 E17945 MOV WNW 20KT

FCST VA CLD +6HR: 10/1600Z SFC/FL060 N5210 E17947 - N5148 E17944
- N5207 E17548 - N5322 E17643 - N5210 E17947 - N5210 E17947

FCST VA CLD +12HR: 10/2200Z NO VA EXP

FCST VA CLD +18HR: 11/0400Z NO VA EXP

RMK: N/A

NXT ADVISORY: WILL BE ISSUED BY 20220510/1600Z



Actualités précédentes

jeu., 5 mai 2022, 06:43

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 April-3 May 2022 (Continuing Activity)

AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 26 April-3 May. Tremor continued to be detected by the seismic network. Weather clouds obscured views of the volcano on most days, though occasional views during 27-29 May revealed new ash deposits on the flanks. ... Read all
ven., 29 avril 2022, 07:04

Semisopochnoi (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 April-26 April 2022

AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 19-26 April. Periods of seismic tremor were occasionally detected and small explosions were recorded in seismic data during 19-20 April. Minor, low-level, plumes with low ash content were visible in webcam images through each day during 19-20 April, with occasional more energetic ash plumes. ... Read all
Montrer plus
Stratovolcano 1221 m / 4,006 ft
United States, Aleutian Islands, 51.93°N / 179.58°E
Condition actuelle: en vigilance - niveau agité (2 sur 5) Eruptions du volcan Semisopochnoi:
2021, 2020, 2019, 2018, 1987
Style éruptif tipique
unspecified
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