Klyuchevskoy Volcano Volcanic Ash Advisory: ERUPTION AT 20210121/2100Z FL220 EXTD NE REPORTED OBS VA DTG: 21/2100Z

Satellite image of Klyuchevskoy volcano on 21 Jan 2021

Previous news

Wed, 20 Jan 2021, 22:30

Klyuchevskoy Volcano Volcanic Ash Advisory: VA AT 20210120/2205Z FL200 EXTD NW MOV 10KT REPORTED

Wed, 20 Jan 2021, 03:30

Klyuchevskoy Volcano Volcanic Ash Advisory: ERUPTION AT 20210120/0240Z FL200 EXTD SW REPORTED OBS VA DTG: 20/0310Z

Tue, 19 Jan 2021, 09:33

Klyuchevskoy volcano (Kamchatka): continuing lava flow

The effusive-explosive eruption of the volcano continues and has remained essentially unchanged at moderate levels. ... read all

Tue, 19 Jan 2021, 06:15

Klyuchevskoy Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 19/0520Z to 24000 ft (7300 m)

Mon, 18 Jan 2021, 18:15

Klyuchevskoy Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 18/1720Z to 24000 ft (7300 m)

NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large

Background:

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.

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Source: Klyuchevsky information by the GVP (Smithsonian Institution)

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