Fears of a tsunami rocking New Zealand have arisen after a magnitude 6.7 earthquake struck off the country's South Island ...

Don’t worry: It’s general enough to apply to the rest of Japan. But for busy people, here’s a summary of things you should know about what to do before, during and after an earthquake in Japan.

A strong 6.7 magnitude earthquake struck off New Zealand's South Island on Tuesday, authorities said, as the country's disaster agency assessed if there were any tsunami threats.