Avachinsky volcano viewed from the city of Petropavlovsk-Kamchatsky. Located  about 20-23 km from the city’s suburbs, Avachinsky might pose serious hazard to the inhabited areas. Smoking Young Cone started to form ~3500 ¹⁴C years BP in a large crater left by a sector collapse ~30 ka BP. Large hill at the left (Mt.Monastyr) is a huge toreva block from the debris avalanche deposit.

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