Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 19/0520Z to 14000 ft (4300 m)

Sun, 19 Sep 2021, 06:15
06:15 AM | BY: VN
Satellite image of Karymsky volcano on 19 Sep 2021
Satellite image of Karymsky volcano on 19 Sep 2021
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 20 kts in NE direction.
The full report is as follows:

FVFE01 at 06:00 UTC, 19/09/21 from RJTD
VA ADVISORY
DTG: 20210919/0600Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2021/240
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 19/0520Z
OBS VA CLD: SFC/FL140 N5600 E16028 - N5612 E16033 - N5609 E16051 -
N5556 E16042 MOV NE 20KT
FCST VA CLD +6 HR: 19/1120Z SFC/FL170 N5827 E16147 - N5727 E16051 -
N5737 E16008 - N5842 E16055
FCST VA CLD +12 HR: 19/1720Z SFC/FL180 N6053 E16151 - N5924 E15921 -

N6018 E15843 - N6106 E16015
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20210919/1200Z=

Previous news

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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