earthquakes Siberia and Far East of Russia

Epicentre was in mountains of Kamchatka peninsula with a powerful 7.3 magnitude.

Beijing reviewing its energy needs with slowing economy, says report.

The Okhotsk Sea quake registered 8.3 on the Richter Scale at a depth of 600km, and prompted a tsunami warning. 

Flights from east of Russian resumed for the first time since last year's earthquake and tsunami which led to the Fukushima Daiichi nuclear disaster.

Pipeline will go through pristine Altai Mountains in supply route seen as economically vital by Kremlin.

Dozens of major tremors recorded this year as scientists monitor 'unusually strong seismic activity' that will one day tear continent in half.

Across the Russian polar regions, these eye-catching pictures show how thawing soil leads to territories being washed away.

Satellites show giant hole ringed by 20 'baby craters'.

Reclusive state bordering Russian Far East claims to have 'joined the ranks of advanced nuclear states'.

Otto Lagerfeld held in bleak camp in Verkhoyansk for four years of First World War, show contemporary documents.