Volcano news: Karymsky

Updated: Sep 24, 2021 10:16 GMT

Karymsky Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 28/1120Z to 15000 ft (4600 m)

Thu, 28 May 2020, 12:15
12:15 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in W direction.
The full report is as follows:

FVFE01 at 12:00 UTC, 28/05/20 from RJTD
VA ADVISORY
DTG: 20200528/1200Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2020/31
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 28/1120Z
OBS VA CLD: SFC/FL150 N5417 E15757 - N5417 E15809 - N5411 E15804 -
N5411 E15753 MOV W 10KT
FCST VA CLD +6 HR: 28/1720Z SFC/FL140 N5421 E15816 - N5403 E15815 -
N5336 E15659 - N5340 E15617 - N5348 E15607
FCST VA CLD +12 HR: NO VA EXP
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20200528/1800Z=

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Background:

Updated: Sep 24, 2021 10:16 GMT

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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