Klyuchevskoy volcano (Kamchatka): activity increases, lava flow

Di, 20. Jan 2015, 10:40
10:40 AM | VON: T
Glow from Klyuchevskoy's eruption, note the lava flow on the upper flank
Glow from Klyuchevskoy's eruption, note the lava flow on the upper flank
Ash plume from Klyuchevskoy this morning
Ash plume from Klyuchevskoy this morning
The eruption at the volcano has intensified during the past 24 hours.
A sustained ash plume, generated by near-continuous strombolian explosions or lava fountains, is rising 1.5-2 km from the volcano's summit, reaching approx. 24,000 ft (7.2 km) altitude, and drifting WSW.
A lava flow is descending on the upper western flank now.

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So, 18. Jan 2015, 12:49
Strombolian activity at Klyuchevskoy at dusk (KVERT webcam)
Mild strombolian activity continues at the summit crater, producing small ash plumes that drift one after the other from the volcano. A short lava flow might still be active on the southeast side, but this is not certain from available imagery. Read all
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NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large
NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large

Background:

Aktualisiert: 21. Sep. 2021 12:08 GMT

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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