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Karymsky Volcano Volcanic Ash Advisory: VA AT 20190722/0720Z FL080 EXTD SE MOV 20KT OBS VA DTG: 22/0720Z to 8000 ft (2400 m)

Mon, 22 Jul 2019, 08:00 | BY: VN
Satellite image of Karymsky volcano on 22 Jul 2019
Satellite image of Karymsky volcano on 22 Jul 2019
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 .
The full report is as follows:

FVFE01 at 07:46 UTC, 22/07/19 from RJTD
VA ADVISORY
DTG: 20190722/0746Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/211
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA AT 20190722/0720Z FL080 EXTD SE MOV 20KT
OBS VA DTG: 22/0720Z
OBS VA CLD: SFC/FL080 N5409 E15926 - N5343 E16052 - N5334 E16048 -
N5402 E15923 MOV SE 20KT
FCST VA CLD +6 HR: 22/1320Z SFC/FL080 N5316 E16232 - N5314 E16030 -
N5446 E15944
FCST VA CLD +12 HR: 22/1920Z SFC/FL070 N5318 E16354 - N5317 E16128 -

N5408 E16003 - N5500 E16039 - N5457 E16128 - N5404 E16117
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20190722/1200Z=

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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


Karymski Satelite Image by (c) Google & NASA
Karymski Satelite Image by (c) Google & NASA
Karymsky volcano
Stratovolcano 1536 m / 5,039 ft
Kamchatka, 54.05°N / 159.43°E
Current status: normal or dormant (1 out of 5) Karymsky volcano eruptions:
1771, 1830, 1852, 1854, 1908, 1911, 1912, 1915, 1921, 1923, 1925, 1929, 1932, 1933, 1934, 1938, 1940, 1943, 1945, 1946, 1947, 1952, 1953, 1955, 1956, 1960, 1965, 1967, 1970, 1982, 1983, 1985, 1990, 1993, 1996 - ongoing
Typical eruption style
Doninantly explosive, construction of lava domes, near constant activity.
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