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Semisopochnoi Volcano Volcanic Ash Advisory: CONTINUOUS LOW-LVL EMISSIONS. to 5000 ft (1500 m)

mer., 8 juin 2022, 07:45
07:45 AM | AUTEUR : VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 .
The full report is as follows:

FVAK21 at 07:34 UTC, 08/06/22 from PAWU
VAAAK1
VA ADVISORY

DTG: 20220608/0733Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2022/039

INFO SOURCE: HIMAWARI/GOES 17/WEBCAMERA

AVIATION COLOR CODE: ORANGE

ERUPTION DETAILS: CONTINUOUS LOW-LVL EMISSIONS.

OBS VA DTG: 08/0733Z

OBS VA CLD: SFC/FL050 N5202 W17957 - N5013 E17826 - N5007 E17532
- N5038 E17547 - N5111 E17743 - N5201 E17913 - N5202 W17957 MOV
SSW 20KT

FCST VA CLD +6HR: 08/1333Z SFC/FL050 N5204 W17956 - N4935 E17754
- N4930 E17506 - N5014 E17545 - N5038 E17729 - N5204 E17906 -
N5204 W17956

FCST VA CLD +12HR: 08/1933Z SFC/FL050 N5204 E17960 - N4854
E17726 - N4923 E17442 - N4954 E17516 - N4952 E17651 - N5204
E17901 - N5204 E17960

FCST VA CLD +18HR: 09/0133Z SFC/FL050 N5202 W17957 - N4828
E17711 - N4906 E17540 - N5202 E17903 - N5202 W17957 - N5202 W17957

RMK: BREAKS IN THE METEROROLOGICAL CLDS AT THE VOLCANO SUMMIT HAVE BEGUN
AND VA IS OBSERVED IN WEBCAMERA. ADNLY THERE ARE VA SIGNALS OBSERVED IN
VARIOUS SATELLTIE IMAGERIES ARCING TO THE SW OF THE VOLCANO. ...JAM

NXT ADVISORY: WILL BE ISSUED BY 20220608/1333Z



Actualités précédentes

mer., 1 juin 2022, 18:37

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 May-31 May 2022 (Continuing Activity)

AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 24-31 May. Seismicity continued to be elevated with intermittent tremor and several daily explosions recorded by infrasound and seismic instruments. Weather clouds often prevented satellite and webcam views; sporadic ash emissions were visible during 27-28 May and likely occurred on other days as well. ... Read all
jeu., 26 mai 2022, 09:09

Semisopochnoi volcano (Aleutian Islands, USA) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 May-24 May 2022 (Continuing Activity)

AVO reported that low-level eruptive activity at Semisopochnoi's North Cerberus cone continued during 17-24 May. Seismicity continued to be elevated with intermittent tremor and several daily explosions recorded by infrasound and seismic instruments. Low-level ash emissions were visible in clear satellite images and webcam views; clouds sometimes obscured views towards the end of the week. ... 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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