Klyuchevskoy volcano (Kamchatka): new activity in summit crater

Sa, 3. Jan 2015, 09:23
09:23 AM | VON: T
Glow from Klyuchevsky this morning (KVERT webcam)
Glow from Klyuchevsky this morning (KVERT webcam)
The volcano entered a new phase of activity which is taking place in the summit crater.
On 29 December, Tokyo VAAC reported that fresh ashes were observed on the slopes of Klyuchevskoy. KVERT now changed the status level from green to yellow, as additional signs of volcanic activity have been gathered recently:
Increased seismic activity has been noted since 19 Dec. A small plume could be detected from Klyuchevskoy volcano on satellite imagery from 2 January. A thermal anomaly is visible o satellite data as well, and last, but not least, during clear weather, glow can be seen from the summit at night.
Most likely, the type of activity (for now) is mild strombolian explosions is occurring in the summit crater, a typical behavior of Klyuchevskoy volcano, one of the most active volcanoes in the world, which often has long-lasting phases of continuous activity as well.

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So, 26. Jan 2014, 12:16
Steam/ash plume from Klyuchevskoy volcano today (KVERT webcam)
A new eruptive phase appears to have started at the volcano. VAAC Tokyo reported continuous ash emission and an ash plume drifting north at estimated 16,000 ft (5 km) altitude. ... 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: 27. Sep. 2021 01:04 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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