The online systems of the Bank of Fukuoka was disrupted by the accident. Similarly, Fukuoka airport also temporarily experienced blackouts, forcing ticket machines to stop working briefly.
“The sinkhole was likely caused by water flowing into tunnels at the site,” The Japan Today has written quoting City officials as saying.
https://www.youtube.com/watch?v=YlWmOyC6Bis&feature=youtu.be