<p>A magnitude 7.2 earthquake struck off the east coast of Russia's Kamchatka region at a depth of 51 km (32 miles), the European Mediterranean Seismological Centre (EMSC) said on Saturday.</p><p>The US National Tsunami Warning Center said there was a tsunami threat from the quake.</p>
<p>A magnitude 7.2 earthquake struck off the east coast of Russia's Kamchatka region at a depth of 51 km (32 miles), the European Mediterranean Seismological Centre (EMSC) said on Saturday.</p><p>The US National Tsunami Warning Center said there was a tsunami threat from the quake.</p>