Panic in Japan as giant sinkhole which was repaired in just a week begins to sink again, forcing road to close (so did they carry out the repairs too quickly?)
- A 30m wide and 15m deep hole opened up in the street in the city of Fukuoka in south western Japan
- Japan was praised when road was repaired in a week with constructions teams working around the clock
- But fresh setback saw traffic halted when the same road sunk by 7cm prompting apologies from city mayor
A giant sinkhole in Japan which was repaired in just a week has started to sink again - forcing the road to close.
Japan appeared to have given a lesson in efficiency by hastily fixing the gaping 30 metres wide and 15 metres deep hole in Fukuoka in the south west of the country.
But the city's mayor has since apologised after the road had to be shut again - when it emerged the surface had sunk by about 2.7ins.
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A giant sinkhole in Japan which was repaired in just a week sparking has started to sink again - forcing the road to close
Footage showed how dozens of construction workers laboured through the night with diggers, cranes and cement mixers to fix the 30m wide chasm which opened up in Fukuoka, in the southwest of the country
Remarkably the 15m deep hole was filled and the road reopened in a week in an astonishing lesson in efficiency
Japan appeared to have given a lesson in efficiency by hastily fixing the gaping 30 metres wide and 15 metres deep hole in Fukuoka in the south west of the country
The city's mayor has since apologised after the road had to be shut again - when it emerged the surface had sunk by about 2.7ins
The fresh setback happened over the weekend and traffic was stopped at the busy intersection.
According to CNN, the mayor Soichiro Takashima took to Facebook to say sorry for not warning citizens the ground could sink again.
Officials told the broadcaster that experts had been expecting some movement as the cement and sand used in the repair job settled.
The city became the subject of international plaudits when footage emerged showing how dozens of construction workers laboured through the night with diggers, cranes and cement mixers to fix the 30m wide chasm
Working overtime: Dozens of workers descended on the scene and worked day and night to fix the massive sink hole
The fresh setback happened over the weekend and traffic was stopped at the busy intersection
What a difference a week makes: The five-land stretch of road today (left) and in the aftermath of the collapse
Huge damage: The gaping chasm measured around 30 metres wide and 15 metres deep
Remarkably the 15m deep hole was filled and the road reopened in a week.
It is thought the road collapsed because subway construction exposed support columns of nearby buildings.
Miraculously, no one was hurt when the road collapsed in Fukuoka, which is the biggest city on the southernmost main island of Kyushu.
Burst water mains spewed a torrent of muddy water into the giant hole, which caused chaos in the city's business district
Massive problem: Nearby buildings had to be evacuated as a result of the road collapse
The road reopened in just a week after a huge repair operation which saw teams operating around the clock
Construction teams worked around the clock to repair the damage to the road following the sudden collapse
'Impressive. That was fast,' said another.
The street reopened at 5am on Tuesday.
The massive cave-in appeared in the city's bustling Hakata district, a major business and entertainment centre, with muddy underground water flowing into the hole.
Scale of the problem: An aerial photo of the city's business district shows the size of the gaping sinkhole which opened up
The sinkhole appeared in the business district of the city of Fukuoka
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