Millions of residents in Japan are being told to evacuate as the largest earthquake in the world since 2011 triggered widespread tsunami warnings across the Pacific Ocean.

A massive 8.7 magnitude earthquake has struck off the coast of Russia, prompting a warning for "hazardous tsunami waves" ...

Several countries are under tsunami threat after a 8.7-magnitude earthquake struck Russia's Kamchatka Peninsula. This includes Japan, Hawaii, Chile, NZ.