Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20190313/0700Z FL100 EXTD W OBS VA DTG: 13/0800Z to 10000 ft (3000 m)

Wed, 13 Mar 2019, 08:30
08:30 AM | BY: VN
Satellite image of Karymsky volcano on 13 Mar 2019
Satellite image of Karymsky volcano on 13 Mar 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 15 kts in W direction.
The full report is as follows:

FVFE01 at 08:22 UTC, 13/03/19 from RJTD
VA ADVISORY
DTG: 20190313/0822Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/112
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20190313/0700Z FL100 EXTD W
OBS VA DTG: 13/0800Z
OBS VA CLD: SFC/FL100 N5402 E15926 - N5407 E15846 - N5420 E15850 -
N5404 E15927 MOV W 15KT
FCST VA CLD +6 HR: 13/1400Z SFC/FL100 N5457 E15651 - N5419 E15807 -
N5404 E15808 - N5405 E15735 - N5440 E15640
FCST VA CLD +12 HR: 13/2000Z SFC/FL110 N5506 E15619 - N5411 E15747 -

N5352 E15715 - N5444 E15542 - N5506 E15541
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20190313/1200Z=

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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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