Küstenbewohner in Russland, Japan auf US-Gebiet sind zur Vorsicht aufgerufen.

Russia said the temblor off the Kamchatka peninsula was ‘the strongest in decades’.

The Japan Weather Agency said it expected a tsunami of up to 1 metre (3.3 feet) to reach large coastal areas starting around 0100 GMT.

Tremors 'strongest in decades,' governor warns