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Klyuchevskoy volcano (Kamchatka): new phase of strombolian activity

Thu, 7 Apr 2016, 11:05
11:05 AM | BY: T
Steam plume from Klyuchevskoy volcano yesterday morning
Steam plume from Klyuchevskoy volcano yesterday morning
According to KVERT new phase of (so far) mild strombolian activity seems to have started at the volcano on around 4 April.
A mild thermal anomaly is visible on satellite data, and webcam images during clear days show intense steaming and some glow at night, which supports the interpretation of new activity.

Previous news

Wed, 6 Apr 2016, 06:00
KVERT reported that Strombolian explosions and gas-and-steam emission continued to be observed at Klyuchevskoy during 3-8 April. Satellite images showed a thermal anomaly during 1 and 5-7 April. The Aviation Color Code remained at Yellow. ... Read all
Wed, 30 Mar 2016, 06:00
KVERT reported strong gas-and-steam activity at Klyuchevskoy during 25 March-1 April. A weak thermal anomaly was detected over the volcano during 25 and 29-30 March. Strong Strombolian activity began at 2325 on 3 April, and satellite images on 5 April began registering a bright thermal anomaly. ... 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


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.


Source: Klyuchevsky information by the GVP (Smithsonian Institution)

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