With fears growing that North Korea could hold a nuclear or missile test as early as Tuesday, municipalities and prefectures nationwide are responding to a government request to provide information on what to do in the event Japan is targeted.

The moves come as the Cabinet Secretariat Civil Protection Portal Site on what to do in case of a North Korean missile attack has seen a surge to about 2.6 million views this month from 450,000 in March, after beginning a gradual climb in February last year. The site offers information on how the public will be notified of an impending missile attack and what actions they should take.

But with Tokyo admitting there will likely be only about 10 minutes between the time a warning is issued and impact, those in or near the targeted area will have little time to flee to safety.