When waves of a certain intensity are detected, the alarms are set off.The national broadcaster, NHK, will relay them almost instantaneously to its television and radio audiences.

• 当某种强度的震波被发现，警报就会开启，而国家广播电视台NHK接下来将会几乎同时地把这些警报传达给电视以及电台受众。