Millions of people were evacuated, as minds cast back to the devastating tsunami of Boxing Day 2004 in the Indian Ocean and Japan 2011, both triggered by similarly large earthquakes. But today's tsunami has been much less severe, even though it's brought some damage.

A massive 8.8-magnitude earthquake has sparked international concern over the safety of Russia’s strategic nuclear submarine base at Avacha Bay, located just 75 miles from the quake’s epicentre.

Russia saved from severe tsunami damage after mega 8.8 earthquake | Science & more behind the natural disaster