Volcano news: Karymsky

Karymsky volcano Volcanic Ash Advisory: VA AT 20171003/2132Z FL180 EXTD ENE MOV 25KT REPORTED

Tue, 3 Oct 2017, 22:30
22:30 PM |
Satellite image of Karymsky volcano on  3 Oct 2017
Satellite image of Karymsky volcano on 3 Oct 2017
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 22:24 UTC, 03/10/17 from RJTD
VA ADVISORY
DTG: 20171003/2224Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2017/113
INFO SOURCE: HIMAWARI-8 KVERT UHPP
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA AT 20171003/2132Z FL180 EXTD ENE MOV 25KT
REPORTED
OBS VA DTG: 03/2150Z
OBS VA CLD: SFC/FL180 N5405 E15926 - N5415 E15932 - N5413 E15953 -
N5402 E15950 - N5403 E15937 - N5400 E15931 MOV E 20KT
FCST VA CLD +6 HR: 04/0350Z SFC/FL180 N5422 E16127 - N5343 E16129 -
N5334 E16100 - N5416 E16007 - N5429 E16030
FCST VA CLD +12 HR: 04/0950Z SFC/FL190 N5324 E16432 - N5307 E16400 -

N5320 E16155 - N5338 E16112 - N5355 E16314
FCST VA CLD +18 HR: 04/1550Z SFC/FL180 N5325 E16958 - N5309 E16954 -

N5239 E16641 - N5245 E16417 - N5336 E16856
RMK: NIL
NXT ADVISORY: 20171004/0000Z=

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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