Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 07/0520Z to 27000 ft (8200 m)

Mon, 7 Jun 2021, 06:15
06:15 AM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 27000 ft (8200 m) altitude or flight level 270 .
The full report is as follows:

FVFE01 at 06:00 UTC, 07/06/21 from RJTD
VA ADVISORY
DTG: 20210607/0600Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2021/18
INFO SOURCE: HIMAWARI-8 KBGS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 07/0520Z
OBS VA CLD: SFC/FL270 N5419 E15940 - N5437 E15950 - N5431 E16009 -
N5412 E16000 MOV NE 10KT
FCST VA CLD +6 HR: 07/1120Z SFC/FL290 N5459 E16200 - N5419 E16051 -
N5437 E16001 - N5519 E16053
FCST VA CLD +12 HR: 07/1720Z SFC/FL290 N5556 E16248 - N5523 E16251 -

N5424 E16026 - N5447 E15942 - N5546 E16105
FCST VA CLD +18 HR: NO VA EXP
RMK: VA HEIGHT UPDATED TO FL270 BASED ON SATELLITE DATA.
NXT ADVISORY: 20210607/1200Z=

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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