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Klyuchevskoy volcano (also spelled Kliuchevsky, Klyuchevskaya) is Kamchatka's highest and one of the world's most active volcanoes.
Klyuchevskoy is located in a remote area of the Kamchatka peninsula. It has a large active crater with frequent strombolian and lava fountain eruptions.
Klyuchevskoy volcano Volcanic Ash Advisory: VA AT 20171207/2211Z FL140 EXTD ESE REPORTED OBS VA DTG: 07/2340Z
Friday Dec 08, 2017 00:15 AM |
Satellite image of Klyuchevskoy volcano on 8 Dec 2017
Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:
FVFE01 at 00:02 UTC, 08/12/17 from RJTD VA ADVISORY DTG: 20171208/0002Z VAAC: TOKYO VOLCANO: KLYUCHEVSKOY 300260 PSN: N5603 E16039 AREA: RUSSIA SUMMIT ELEV: 4754M ADVISORY NR: 2017/390 INFO SOURCE: HIMAWARI-8 KVERT UHPP AVIATION COLOUR CODE: NIL ERUPTION DETAILS: VA AT 20171207/2211Z FL140 EXTD ESE REPORTED OBS VA DTG: 07/2340Z OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL140 250/15KT
FCST VA CLD +6 HR: NOT AVBL FCST VA CLD +12 HR: NOT AVBL FCST VA CLD +18 HR: NOT AVBL RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE IMAGERY. NXT ADVISORY: NO FURTHER ADVISORIES=
Kliuchevskoi is Kamchatka's highest and most active volcano. Since its origin about 6000 years ago, the beautifully symmetrical, 4835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity. Kliuchevskoi rises above a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad Ushkovsky massif. More than 100 flank eruptions have occurred at Kliuchevskoi during the past roughly 3000 years, with most lateral craters and cones occurring along radial fissures between the unconfined NE-to-SE flanks of the conical volcano between 500 m and 3600 m elevation. The morphology of its 700-m-wide summit crater has been frequently modified by historical eruptions, which have been recorded since the late-17th century. Historical eruptions have originated primarily from the summit crater, but have also included numerous major explosive and effusive eruptions from flank craters.
Divergent plate boundaries in oceans: Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
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