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Вулкан Karymsky: Консультативный центр по вулканическому пеплу: POSS ERUPTION OBS AT 20190225/0030Z FL100 EXTD SE OBS VA DTG: 25/0120Z

Пн, 25 фев 2019, 02:00
02:00 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
Спутниковое изображение вулкана Karymsky 25 Feb 2019
Спутниковое изображение вулкана Karymsky 25 Feb 2019
Эруптивная активность продолжается. Консультативный центр по вулканическому пеплу (VAAC) в Tokyo предупредил о шлейфе вулканического пепла, который поднялся на высоту 10000 футов (3000 m) и движется со скоростью 15 узлов в SE направлении.
Полный отчет выглядит следующим образом:

FVFE01 at 01:55 UTC, 25/02/19 from RJTD
VA ADVISORY
DTG: 20190225/0154Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/50
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20190225/0030Z FL100 EXTD SE
OBS VA DTG: 25/0120Z
OBS VA CLD: SFC/FL100 N5357 E15941 - N5405 E15944 - N5358 E15951 -
N5351 E15949 MOV SE 15KT SFC/FL080 N5401 E15925 - N5353 E15934 -
N5400 E15939 - N5405 E15928 MOV SE 10KT
FCST VA CLD +6 HR: 25/0720Z SFC/FL090 N5312 E16146 - N5257 E16140 -
N5335 E16051 - N5344 E16055 SFC/FL070 N5326 E16131 - N5257 E16139 -
N5303 E16121 - N5343 E16036
FCST VA CLD +12 HR: 25/1320Z SFC/FL080 N5211 E16429 - N5155 E16425 -

N5203 E16355 - N5254 E16306 SFC/FL060 N5211 E16414 - N5159 E16422 -
N5208 E16341 - N5300 E16243
FCST VA CLD +18 HR: NO VA EXP
RMK: NEW VA OBS IN SATELLITE IMAGERY.
NXT ADVISORY: 20190225/0600Z=

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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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