The fuel probe could only be 100ft (30m) at most from the fuel receiver.
Officials have created a 100ft-wide safety zone fearing the top of the sinkhole is growing.
BBC: Florida sinkhole: Jeffrey Bush home partially demolished
The 30m (100ft) Unha-3 rocket went up at 07:39 local time (22:39 GMT Thursday), South Korean officials said.
From there, it is a relatively easy, mile-long hike, following the rumbling sounds of gushing water, to the 100ft-tall Secret Falls.
About five or six other people leapt out when it was about 30m (100ft) off the ground, he added.
The sailors were in a lifeboat when it plummeted about 30 metres (100ft) into the sea from the top deck.
"The flames were about 100ft, " said Sgt Simon Allsop, watch manager of the Red Watch in Camp Bastion's fire section.
In the earlier rescue, a 53-year-old local man was airlifted to hospital after he fell 100ft while climbing on Snowdon on Wednesday.
The 30m (100ft) rocket crashed into the sea shortly after take off.
In Sidmouth, Devon, a rain-soaked cliff top plunged 100ft to the beach.
The firm will use the money to build the foundation structures for large wind turbine generators in waters over 30 metres (100ft) deep.
Officials said the debris came within 335m (1, 100ft) of the platform.
Early estimates put it at 20ft (6m) deep and 30ft in diameter but officials have created a 100ft-wide safety zone fearing the top of the sinkhole is growing.
From Hawaii's largest ziplining course to a 100ft waterfall that can only be reached by kayak, a trip to Kauai can be as much about adrenaline as it is about relaxation.
In 1960 a metal-coated plastic balloon 100ft across sent up by America's space agency was used by Bell to bounce telephone calls to distant destinations in the United States.
The man in his 30s came out of water at Shore Road beach, Poole, when a gust of wind caught his kite and dragged him 30m (100ft) to the promenade.
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