How did Japan react to the false quake alarm?

[nsaspook]

False quake alarm: How Japan reacted to the ‘Big One’ that never was

The mistake was “probably the biggest” misreading since the system started in October 2007, said Toshio Kusano, a spokesman for the Office of Earthquake and Tsunami Disaster Prevention at the agency.

The glitch was caused by electrical noise on the ocean floor, he said.
...
Rumors circulated on social media about the possible causes, which included a lightning bolt, Godzilla and “Pokemon Go” congestion.

http://www.japantimes.co.jp/news/2016/08/01/national/false-quake-alarm-how-japan-reacted-to-the-big-one-that-never-was/#.V5_v0nUrIW1

 

[rootone]

Clearly false data since nothing fell down anywhere.
I heard that some people are attributing the false data to internet lag arising from the new pokemon game.