Explosive eruptions are occurring at Kliuchevskoi volcano in Kamchatka, Russia. Ash plumes have been observed rising to an altitude of 9 km (29,500 ft). Ash emissions more than 10 km (32,000 ft.) ASL may occur at any time and could affect international and low-flying aircraft according to the Kamchatkan Volcanic Eruption Response Team (KVERT).
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