An earthquake with a magnitude of 5.2 jolted Fukushima Prefecture and nearby areas early on Jan. 23, the weather agency says.

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.

The Japan Meteorological Agency has a unique seismic scale called shindo that measures the degree of shaking in the event of an earthquake. This set of numbers — ranging from 0 to 7 — is ...

It took rescuers over an hour to free the pair, who were seriously injured in the incident.