Karymsky Volcano Volcanic Ash Advisory: ERUPTION AT 20201030/0420Z FL200 EXTD NE REPORTED OBS VA DTG: 30/0430Z to 20000 ft (6100 m)

Fri, 30 Oct 2020, 05:15
05:15 AM | BY: VN
Satellite image of Karymsky volcano on 30 Oct 2020
Satellite image of Karymsky volcano on 30 Oct 2020
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 15 kts in NE direction.
The full report is as follows:

FVFE01 at 05:12 UTC, 30/10/20 from RJTD
DTG: 20201030/0512Z
PSN: N5403 E15927
ADVISORY NR: 2020/99
OBS VA DTG: 30/0430Z
OBS VA CLD: SFC/FL200 N5404 E15926 - N5417 E15936 - N5415 E15944 -
N5406 E15944 - N5401 E15934 - N5401 E15928 MOV NE 15KT
FCST VA CLD +6 HR: 30/1030Z SFC/FL190 N5420 E16146 - N5402 E16157 -
N5336 E16014 - N5417 E15931 - N5427 E15941 - N5406 E16050
FCST VA CLD +12 HR: 30/1630Z SFC/FL180 N5410 E16148 - N5434 E16440 -

N5408 E16440 - N5347 E16207 - N5347 E16043 - N5436 E15932 - N5433
FCST VA CLD +18 HR: 30/2230Z SFC/FL150 N5441 E16509 - N5429 E16712 -

N5356 E16742 - N5358 E16036 - N5441 E15926 - N5504 E16100 - N5430
NXT ADVISORY: 20201030/0900Z=

Previous news

Wed, 28 Oct 2020, 06:00
KVERT reported that during 23 and 25-26 October explosions at Karymsky produced ash plumes that rose to 5 km (16,400 ft) a.s.l. and drifted 75 km SE, NE, and NW. A thermal anomaly was identified in satellite images during 23-24, 26, and 28 October. ... Read all
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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.


Source: GVP, Smithsonian Institution

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