Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 11/1120Z to 10000 ft (3000 m)

Sun, 11 Jul 2021, 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 10000 ft (3000 m) altitude or flight level 100 .
The full report is as follows:

FVFE01 at 12:00 UTC, 11/07/21 from RJTD
VA ADVISORY
DTG: 20210711/1200Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2021/42
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 11/1120Z
OBS VA CLD: SFC/FL100 N5403 E15925 - N5418 E15932 - N5417 E15937 -
N5402 E15930 MOV N 10KT
FCST VA CLD +6 HR: 11/1720Z SFC/FL130 N5433 E16031 - N5405 E16002 -
N5406 E15929 - N5439 E15939 - N5534 E15911 - N5544 E15939
FCST VA CLD +12 HR: 11/2320Z SFC/FL130 N5452 E16126 - N5402 E16017 -

N5405 E15929 - N5508 E16008 - N5610 E15916 - N5700 E15925
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20210711/1800Z=

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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