Volcano news: Karymsky

Вулкан Karymsky: Консультативный центр по вулканическому пеплу: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 26/2020Z

Сб, 26 дек 2020, 21:15
21:15 PM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Спутниковое изображение вулкана Karymsky 26 Dec 2020
Спутниковое изображение вулкана Karymsky 26 Dec 2020
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Tokyo предупредил о шлейфе вулканического пепла, который поднялся на высоту 17000 футов (5200 m) и движется со скоростью 30 узлов в NW направлении.
Полный отчет выглядит следующим образом:

FVFE01 at 21:00 UTC, 26/12/20 from RJTD
VA ADVISORY
DTG: 20201226/2100Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2020/129
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 26/2020Z
OBS VA CLD: SFC/FL170 N5606 E15805 - N5555 E15733 - N5610 E15729 -
N5616 E15803 MOV NW 30KT SFC/FL170 N5653 E15719 - N5638 E15638 -
N5650 E15636 - N5705 E15715 MOV NW 30KT
FCST VA CLD +6 HR: 27/0220Z SFC/FL180 N5853 E15609 - N5708 E15523 -
N5536 E15649 - N5502 E15533 - N5706 E15447 - N5847 E15434 SFC/FL180
N5942 E15456 - N5415 E15456 - N5415 E15411 - N5911 E15405
FCST VA CLD +12 HR: NO VA EXP
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20201227/0000Z=

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Background:

Karymsky, the most active volcano of  Kamchatka's eastern volcanic zone, is a symmetrical stratovolcano constructed within a 5-km-wide caldera that formed during the early Holocene.  The caldera cuts the south side of the Pleistocene Dvor volcano and is located outside the north margin of the large mid-Pleistocene Polovinka caldera, which contains the smaller Akademia Nauk and Odnoboky calderas. 
Most seismicity preceding Karymsky eruptions originated beneath Akademia Nauk caldera, which is located immediately south of Karymsky volcano.  The caldera enclosing Karymsky volcano formed about 7600-7700 radiocarbon years ago; construction of the Karymsky stratovolcano began about 2000 years later.  The latest eruptive period began about 500 years ago, following a 2300-year quiescence.  Much of the cone is mantled by lava flows less than 200 years old.  Historical eruptions have been vulcanian or vulcanian-strombolian with moderate explosive activity and occasional lava flows from the summit crater.


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Source: GVP, Smithsonian Institution


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