Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 10/2320Z to 10000 ft (3000 m)

Sun, 11 Jul 2021, 00:15
00:15 AM | 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 00:00 UTC, 11/07/21 from RJTD
VA ADVISORY
DTG: 20210711/0000Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2021/40
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 10/2320Z
OBS VA CLD: SFC/FL100 N5403 E15924 - N5428 E15926 - N5428 E15934 -
N5402 E15931 MOV N 10KT
FCST VA CLD +6 HR: 11/0520Z SFC/FL140 N5511 E16009 - N5355 E15928 -
N5458 E15837 - N5534 E15940
FCST VA CLD +12 HR: 11/1120Z SFC/FL150 N5537 E16103 - N5359 E15925 -

N5556 E15828 - N5627 E15932
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20210711/0600Z=

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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