Volcano news: Karymsky

Updated: Sep 24, 2021 07:23 GMT

Karymsky volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20170802/0340Z FL120 EXTD S OBS VA DTG: 02/0420Z

Wed, 2 Aug 2017, 05:00
05:00 AM |
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 04:51 UTC, 02/08/17 from RJTD
VA ADVISORY
DTG: 20170802/0451Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2017/79
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20170802/0340Z FL120 EXTD S
OBS VA DTG: 02/0420Z
OBS VA CLD: SFC/FL120 N5403 E15928 - N5351 E15925 - N5354 E15919 -
N5403 E15926 MOV S 15KT
FCST VA CLD +6 HR: 02/1020Z SFC/FL110 N5415 E16022 - N5317 E16034 -
N5254 E16006 - N5253 E15942 - N5331 E15959 - N5412 E15951
FCST VA CLD +12 HR: 02/1620Z SFC/FL090 N5424 E16155 - N5356 E16201 -

N5210 E16056 - N5205 E16025 - N5350 E16122 - N5425 E16046
FCST VA CLD +18 HR: 02/2220Z SFC/FL070 N5511 E16458 - N5429 E16455 -

N5204 E16251 - N5131 E16148 - N5354 E16340 - N5513 E16352
RMK: NIL
NXT ADVISORY: 20170802/0600Z=

Previous news

Background:

Updated: Sep 24, 2021 07:23 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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