Nine earthquakes of magnitudes 5.0, 4.8, 4.8, 5.3, 6.0, 5.2, 5.0, 5.4 и 6.0 were recorded in Kamchatka over an hour, seismologists said

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.