An ash column reached 7 kilometres above sea level on Wednesday morning.
An 8 km high plume was recorded from the southernmost major stratovolcano on the Kamchatka peninsula.
Russia's Pacific Fleet divisions take position in Kamchatka.
Kamchatka reserve rangers say they haven’t seen such animal in decades.
Group of tourists got stuck at 2,300m after helicopter blades froze.
Fears another bear that also failed to hibernate for winter is also on the run near Vilyuchinsk.
A new air link between Alaska and the Russian Far East is opening up a new world of adventure tourism to US visitors.
So what caused this abearation spotted by tourists in Kamchatka?
A Russian photographer captures unique moments of bear cubs being taught to fish ahead of long winter.