Volcano news: Karymsky

Karymsky Volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20190305/0030Z FL100 EXTD NE OBS VA DTG: 05/0050Z to 10000 ft (3000 m)

Tue, 5 Mar 2019, 01:30
01:30 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 and is moving at 15 kts in NE direction.
The full report is as follows:

FVFE01 at 01:13 UTC, 05/03/19 from RJTD
VA ADVISORY
DTG: 20190305/0113Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/86
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20190305/0030Z FL100 EXTD NE
OBS VA DTG: 05/0050Z
OBS VA CLD: SFC/FL100 N5403 E15923 - N5419 E15932 - N5416 E15937 -
N5402 E15928 MOV NE 15KT
FCST VA CLD +6 HR: 05/0650Z SFC/FL110 N5503 E15946 - N5312 E16009 -
N5310 E15944 - N5500 E15930
FCST VA CLD +12 HR: 05/1250Z SFC/FL110 N5530 E15910 - N5231 E16022 -

N5234 E15953 - N5549 E15843
FCST VA CLD +18 HR: 05/1850Z SFC/FL110 N5555 E15753 - N5123 E16047 -

N5254 E15917 - N5607 E15701 - N5624 E15712
RMK: NIL
NXT ADVISORY: 20190305/0600Z=

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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