Volcano news: Karymsky
Karymsky volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 14/1120Z
FVFE01 at 12:02 UTC, 14/05/18 from RJTD
VA ADVISORY
DTG: 20180514/1202Z
VAAC: TOKYO
VOLCANO: KARYMSKY 300130
PSN: N5403 E15927
AREA: RUSSIA
SUMMIT ELEV: 1513M
ADVISORY NR: 2018/42
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 14/1120Z
OBS VA CLD: SFC/FL130 N5344 E15612 - N5350 E15655 - N5335 E15700 -
N5326 E15617 MOV W 20KT
FCST VA CLD +6 HR: 14/1720Z SFC/FL130 N5359 E15631 - N5339 E15542 -
N5423 E15406 - N5457 E15436
FCST VA CLD +12 HR: 14/2320Z SFC/FL130 N5453 E15416 - N5433 E15603 -
N5415 E15335 - N5611 E15232 - N5651 E15335
FCST VA CLD +18 HR: NO VA EXP
RMK: WESTERN PART OF VA OBSCURED BY MET CLOUD. VA OF PREVIOUS
VAA[FL120] IS NOT IDENTIFIABLE DUE TO MET CLOUD OR HAS DISSIPATED.
NXT ADVISORY: 20180514/1800Z=
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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
