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Klyuchevskoy volcano in Kamchatka throws ash and steam to a record height
In Kamchatka, on the slope of Klyuchevskoy volcano, scientists observed a unique phenomenon - a phreatic explosion. CCTV cameras recorded the release of gases and ash at 7,5 km.
According to the data of the Kamchatka branch of the Federal Research Center Unified Geophysical Service of the Russian Academy of Sciences, first, at 5:00 on the southeastern slope, ash was emitted to an altitude of 7,5 km above sea level. The train from this went to the northwest. After some time, at about 5:19, the steam-gas release was repeated: the height of the column was about seven km.
In the evening, at 21:00, the ash release was repeated again, but to a lower altitude - six kilometers. After these phreatic explosions, lava flowed from the crater. As the scientists explained, such phenomena occur when the lava reaches the glacier, the ice melts and a large amount of steam is formed, which breaks out.
The eruption of Klyuchevskoy volcano began on September 30, lava flows about 1,5 km long began to be observed from October 4. The height of the volcano is 4 850 meters and this is its 14th eruption in this century.