Some people do love life, and bursting out in tears at an incoming nuclear attack what else can you do?
In that 38 min. of false alarm one could calculate the time of impact with
http://www2.mae.ufl.edu/~uhk/ICBM.pdf or look at
this website and find that it will take as long as the false alarm took to be withdrawn. But I guess those Hawaiians where already aware of their time left.
A pending Hawaiian birth wave in 9 months seems also valid.
https://nos.nl/artikel/2211804-paniek-in-hawai-om-vals-alarm-over-inkomende-ballistische-raket.html