Volcano news: Karymsky

Karymsky volcano Volcanic Ash Advisory: VA EMISSIONS CONTINUING OBS VA DTG: 08/2330Z

Wed, 9 Aug 2017, 00:15
00:15 AM |
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 00:05 UTC, 09/08/17 from RJTD
VA ADVISORY
DTG: 20170809/0005Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2017/96
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 08/2330Z
OBS VA CLD: SFC/FL080 N5401 E15932 - N5346 E15921 - N5350 E15912 -
N5404 E15925 MOV SW 10KT
FCST VA CLD +6 HR: 09/0530Z SFC/FL070 N5410 E15916 - N5245 E15852 -
N5244 E15832 - N5410 E15856
FCST VA CLD +12 HR: 09/1130Z SFC/FL070 N5443 E15900 - N5337 E15903 -

N5152 E15742 - N5152 E15715 - N5318 E15750
FCST VA CLD +18 HR: 09/1730Z SFC/FL060 N5454 E15921 - N5332 E15910 -

N5113 E15542 - N5138 E15533 - N5356 E15842 - N5453 E15830
RMK: NIL
NXT ADVISORY: 20170809/0600Z=

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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