Volcano news: Karymsky
Karymsky Volcano Volcanic Ash Advisory: POSS ERUPTION OBS AT 20190804/1110Z FL170 EXTD SE OBS VA DTG: 04/1120Z to 17000 ft (5200 m)
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 and is moving at 30 kts in SE direction.
The full report is as follows:
FVFE01 at 12:00 UTC, 04/08/19 from RJTD
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
SUMMIT ELEV: 1513M
ADVISORY NR: 2019/234
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: POSS ERUPTION OBS AT 20190804/1110Z FL170 EXTD SE
OBS VA DTG: 04/1120Z
OBS VA CLD: SFC/FL170 N5409 E15933 - N5358 E15943 - N5350 E15932 -
N5402 E15920 MOV SE 30KT SFC/FL140 N5303 E16010 - N5327 E16041 -
N5234 E16106 - N5230 E16055 - N5245 E16021 MOV SE 15KT
FCST VA CLD +6 HR: 04/1720Z SFC/FL150 N5137 E16206 - N5123 E16149 -
N5236 E15953 - N5357 E15903 - N5403 E15920 SFC/FL130 N5050 E16255 -
N5146 E15934 - N5216 E15914 - N5243 E15951 - N5139 E16214
FCST VA CLD +12 HR: 04/2320Z SFC/FL140 N4942 E16414 - N4941 E16344 -
N5120 E15923 - N5409 E15859 - N5413 E15921 - N5126 E16046 SFC/FL120
N4944 E16424 - N4949 E16255 - N5112 E15811 - N5157 E15745 - N5217
E15858 - N5050 E16122
FCST VA CLD +18 HR: NO VA EXP
RMK: NEW VA OBS IN SATELLITE IMAGERY.
NXT ADVISORY: 20190804/1800Z=
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