How did Japan react to the false quake alarm?

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A false earthquake alarm in Japan, described as one of the most significant misreadings since the alert system's inception in 2007, was attributed to electrical noise detected on the ocean floor. The incident sparked widespread rumors on social media regarding its causes, including fantastical explanations like a lightning strike, Godzilla, and congestion from the popular game "Pokemon Go." Despite the alarm, there were no actual tremors or damage reported, highlighting the system's occasional inaccuracies and the public's tendency to speculate in the absence of clear information.
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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

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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.
 
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