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Вулкан Karymsky: Консультативный центр по вулканическому пеплу: VA AT 20201021/0220Z FL170 EXTD SE REPORTED OBS VA DTG: 21/0240Z

Ср, 21 окт 2020, 03:30
03:30 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
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 45 узлов в SE направлении.
Полный отчет выглядит следующим образом:

FVFE01 at 03:19 UTC, 21/10/20 from RJTD
VA ADVISORY
DTG: 20201021/0319Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2020/78
INFO SOURCE: HIMAWARI-8 KVERT
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA AT 20201021/0220Z FL170 EXTD SE REPORTED
OBS VA DTG: 21/0240Z
OBS VA CLD: SFC/FL170 N5407 E15928 - N5342 E15956 - N5331 E15942 -
N5400 E15921 MOV SE 45KT
FCST VA CLD +6 HR: 21/0840Z SFC/FL170 N5132 E16255 - N4933 E16325 -
N5209 E15957 - N5403 E15926
FCST VA CLD +12 HR: 21/1440Z SFC/FL170 N4930 E16703 - N4643 E16900 -

N4726 E16504 - N5209 E15857 - N5403 E15911
FCST VA CLD +18 HR: NO VA EXP
RMK: VA HEIGHT UPDATED TO FL170 BASED ON GROUND REPORT.
NXT ADVISORY: 20201021/0600Z=

Предыдущие новости

Wed, 14 Oct 2020, 06:00
Pilots observed explosions at 1430 on 21 October at Karymsky with ash plumes that rose to 4 km (13,100 ft) a.s.l. and drifted SE. KVERT raised the Aviation Color Code to Orange (the second highest level on a four-color scale). ... Read all
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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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