Volcano news: Karymsky
Karymsky Volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20190302/0350Z FL100 EXTD NE OBS VA DTG: 02/0400Z to 10000 ft (3000 m)
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 10 kts in NE direction.
The full report is as follows:
FVFE01 at 04:33 UTC, 02/03/19 from RJTD
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/76
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20190302/0350Z FL100 EXTD NE
OBS VA DTG: 02/0400Z
OBS VA CLD: SFC/FL100 N5404 E15926 - N5409 E15929 - N5408 E15934 -
N5401 E15928 MOV NE 10KT
FCST VA CLD +6 HR: 02/1000Z SFC/FL090 N5412 E15934 - N5343 E15914 -
N5311 E15835 - N5259 E15840 - N5259 E15813 - N5318 E15808
FCST VA CLD +12 HR: 02/1600Z SFC/FL080 N5254 E15926 - N5151 E15907 -
N5150 E15805 - N5223 E15832
FCST VA CLD +18 HR: NO VA EXP
NXT ADVISORY: 20190302/0600Z=
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.
Source: GVP, Smithsonian Institution