Kelvin Berryman explains how the tectonic plate boundary creates faults and earthquakes in New Zealand. Video / GNS

A strong earthquake shakes vans back and forth in Osaka, Western Japan. Source - @NewsKali

A quake measuring 4.0 on the Richter scale was felt across Napier last night.

A local tsunami alert has been lifted after a 7.4 magnitude earthquake struck Sumatra, Indonesia.

Tsunami-wrecked houses in Samoa are being rebuilt on higher ground - but without protection against cyclones or earthquakes, engineers say.