False quake alarm: How Japan reacted to the ‘Big One’ that never was
http://www.japantimes.co.jp/news/20...d-to-the-big-one-that-never-was/#.V5-q9nUrIW0
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.
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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/20...d-to-the-big-one-that-never-was/#.V5-q9nUrIW0