Volcano news: Karymsky
Karymsky Volcano Volcanic Ash Advisory: VA AT 20190505/1810Z FL120 EXTD S OBS VA DTG: 05/1810Z to 12000 ft (3700 m)
The full report is as follows:
FVFE01 at 18:43 UTC, 05/05/19 from RJTD
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/128
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA AT 20190505/1810Z FL120 EXTD S
OBS VA DTG: 05/1810Z
OBS VA CLD: SFC/FL120 N5404 E15927 - N5348 E15942 - N5332 E15946 -
N5326 E15940 MOV S 20KT
FCST VA CLD +6 HR: 06/0010Z SFC/FL100 N5301 E15948 - N5233 E16032 -
N5155 E16018 - N5123 E15937 - N5212 E15913
FCST VA CLD +12 HR: 06/0610Z SFC/FL080 N5110 E16148 - N4959 E16124 -
N4911 E16021 - N5016 E15959 - N5125 E16046 - N5235 E16006
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20190506/0000Z=
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