Volcano news: Karymsky

Karymsky volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20170811/0600Z FL100 EXTD E OBS VA DTG: 11/0620Z

Fri, 11 Aug 2017, 07:00
07:00 AM |
Satellite image of Karymsky volcano on 11 Aug 2017
Satellite image of Karymsky volcano on 11 Aug 2017
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 06:47 UTC, 11/08/17 from RJTD
VA ADVISORY
DTG: 20170811/0647Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2017/99
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20170811/0600Z FL100 EXTD E
OBS VA DTG: 11/0620Z
OBS VA CLD: SFC/FL100 N5402 E15924 - N5405 E15926 - N5405 E15934 -
N5357 E15927 MOV E 5KT
FCST VA CLD +6 HR: 11/1220Z SFC/FL100 N5353 E16022 - N5305 E15925 -
N5304 E15854 - N5351 E15959 - N5414 E16003 - N5414 E16019
FCST VA CLD +12 HR: 11/1820Z SFC/FL090 N5413 E16135 - N5315 E16109 -

N5228 E15916 - N5247 E15838 - N5330 E16038 - N5419 E16106
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20170811/1200Z=

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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