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https://phys.org/news/2023-11-eruption-eurasia-tallest-volcano-ash.htmlEruptions from the Klyuchevskaya Sopka volcano sent ash as high as 13 kilometers (8 miles) above sea level, officials said.
There were no reports of injuries, but officials ordered schools in Ust-Kamchatsk and Klyuchy closed as a precaution. Each town has a population of about 5,000. Klyuchy is located about 30 kilometers (20 miles) from the volcano and Ust-Kamchatsk 50 kilometers (30 miles) away.
The 4,650-meter (15,255-foot) stratovolcano has been active in recent years and released lava in June.
The Kamchatka Peninsula, which extends into the Pacific Ocean about 6,700 kilometers (4,100 miles) east of Moscow, is noted for its array of active and dormant volcanoes, geysers and geothermal springs.
https://volcano.si.edu/volcano.cfm?vn=300260KVERT reported that the Strombolian eruption at Klyuchevskoy continued during 20-29 October and a daily bright thermal anomaly was identified in satellite images. Lava fountains sometimes rose as high as 500 m above the summit and fed lava flows that descended the Apakhonchichsky and Kozyrevsky drainages on the SE and S flanks. Phreatic explosions were sometimes generated from the interaction with lava and glaciers on the flanks and caused collapses of older deposits in the drainages. Plumes of the previously deposited ash generally rose as high as 7 km (23,000 ft) a.s.l. and drifted 280 km NE, E, and SE during 22-29 October, though on 23 and 29 October plumes rose as high as 8 km (26,200 ft) a.s.l. Scientists at the Kamchatka Volcanological Station visited the volcano on 28 October and noted that the cinder cone at the summit had grown. They also observed advancing lava on the E flank that extended about 2 km from the summit to 2,700 m elevation, incandescent material being ejected 500 m above the crater, and avalanches in the Apakhonchichsky drainage. Ash plumes rose more than 2 km.
https://en.wikipedia.org/wiki/Klyuchevskaya_Sopka
A vent opened near the. base of the volcano. Pretty impressive plume.