Krakatoa is a volcanic archipelago that are still active and located in the Sunda Strait between Java and Sumatra. This name ever pinned on a volcanic peak because there are eruptions on 26-27 August 1883, then vanished. Very powerful explosion and the resulting tsunami killed about 36,000 people.
Klyuchevskaya Sopka Mountains in Russia, Lenticular Cloud over the Mountain,it is a stratovolcano, the highest active volcano of Eurasia. Its steep, symmetrical cone towers about 100 kilometres from the Bering Sea. and is part of the natural Volcanoes of Kamchatka