Earth Changes
According to Queensland Parks and Wildlife the activity started at the surface of the sand about 8am and ended at 10.15am.
The service is describing it as an erosion event better termed as a "near-shore landslide" than a sinkhole.
The erosion has not affected any campsites nor access to the barge to Fraser Island.
The Queensland Parks and Wildlife Service has erected traffic barriers and warning signs around the sites.
A statement on the parks and wildlife website said it was likely to be "another occurrence of the natural phenomenon which occurred in September 2015 at Inskip".
In that incident 300 people had to be evacuated after campsites came under threat, and some cars that were swallowed up by sinking sand are still underwater.

Killer Elephant: Twelve-year-old bull elephant Plai Sridor Nakorn remains chained up after killing his mahout in a fit of rage.
The 12-year-old male elephant named 'Plai Sridor Nakorn' was in musth - an annual period of heightened testosterone levels - and had been chained up after becoming highly aggressive.
The animal killed Anantamek Thongtae, 21, when the mahout attempted to unchain him.
"According to witnesses, the elephant grabbed Mr Anantamek with his trunk, threw him to the ground and then repeatedly stomped on him," said Lt Col Noppadol Mukda of the Krabi City Police.
The elephant had been chained up for about five days; a sign was put up warning visitors not to approach the aggressive pachyderm.
The last damaging earthquake in Washington struck 15 years ago, on Feb. 28, 2001.
The next one is scheduled for June 7.
The ground isn't expected to actually shake this spring. But nearly 6,000 emergency and military personnel will pretend it is during a four-day exercise to test response to a seismic event that will dwarf the 2001 Nisqually quake: A Cascadia megaquake and tsunami.
Called "Cascadia Rising," the exercise will be the biggest ever conducted in the Pacific Northwest. Which is fitting, because a rupture on the offshore fault called the Cascadia Subduction Zone could be the biggest natural disaster in U.S. history.
"It's really going to require the entire nation to respond to an event like this," said Kenneth Murphy, regional director for the Federal Emergency Management Agency, which is coordinating the exercise.
While the Nisqually earthquake measured magnitude 6.8, a Cascadia megaquake is likely to hit magnitude 9 — which is nearly 2,000 times more powerful. It will affect the entire West Coast from British Columbia to Northern California, including Seattle, Portland, Tacoma and Vancouver, B.C. The quake will be closely followed by tsunamis 30 feet high — or bigger — that will slam into oceanfront communities.

The remains of a decomposing whale wash up at Kalba beach in Sharjah.
The carcass of the whale was 6 feet high.
The Sharjah Environment and Protected Areas Authority and the municipality of Kalba began dealing with carcass of the whale.
Witnesses said the whale was afloat since yesterday in the Gulf waters.
The Kalba Municipality provided the machines and equipment to drag the whale's body and bury it.
The lightning strike happened at around 18h00 on Wednesday at a homestead at Kambowo village. According to police sources the incident reportedly happened while the children were playing at home.
The deceased minors who died instantly after being struck by lightning were identified as six-year-old Tracy Shitoka Likoro and five-year-old Gloria Kantema.
The police mortuary services were called to the scene shortly after the fatal incident to collect the children's remains.
"The two bodies were transported to Rundu State Hospital mortuary," Chief Inspector Chrispin Mubebo, the acting regional crime investigations coordinator of Kavango East, confirmed.
Kambowo village is some 25 km east of Rundu along the Trans-Caprivi Highway in Rundu Rural Constituency of Kavango East Region.
Lilongwe Police identified the three as Wedson Nkhunumbu,37, of Magombo Village, T/A Champiti, Ntcheu; Douglas Kachuma, 38, of Kaunde Village, T/A Mlumbe in Zomba; and 22-year-old, Isaac Ngolombe, from Donda Village, T/A Chimoka in Lilongwe.
The police further identified the survivor as Enusu Pinto, 23 from Kanyenda Village, T/A Maganga in Salima.
Lilongwe Police spokesperson, Kingsley Dandaula, told Mana that the men met their fate as they were working on the foundations of a brick fence on a plot belonging to one of the residents of the area.
"Rain started pouring and before the four men could find shelter lightning struck them killing Nkhunumbu, Kachuma and Ngolombe on spot while Pinto lied unconscious," explained Dandaula.
Described as an explosion by some and a sonic boom as others, residents near Eagle Lake at about 5:30 p.m. Saturday started phoning 911 regarding an explosion.
The only problem? The Racine County Sheriff's Department and Kansasville Fire couldn't find anything.
"We investigated it and nothing found," said Kansasville Fire Chief Scott Remer. "We have no cause or origin.
"I heard a lot of things about 'my house shook,'" he added.
Area residents also flooded social media seeking an explanation for what happened. On a local area 'buy, sell, trade' list on Facebook, people referred to the noise as something "blowing up" and said the noise shook homes.
Another person later explained there were some fireworks going off, and called the situation "all good." However, that was about two hours after the initial report.
Wisconsin Department of Natural Resources Warden Mike Hirschboeck said ice heaves on the lake could have created a loud booming noise.
The video, posted to YouTube by Hamish Clarke, shows the shark swimming around the boat and putting its mouth on different parks of the vessel while the astonished humans look on and film it with their phones.
"It then hit its nose on the boat which made its attitude become more aggressive," the filmer wrote online. "Eventually it then left."
The video, filmed Feb. 20 near Frenchman Island, involved the same boat and crew seen in an earlier released video showing one of the passengers reaching down to pet a passing shark on the same day.
Mauna Loa, located on the Island of Hawaii, is one of the biggest active volcanoes and in recent years, the USGS (US Geological Survey) Hawaiian Volcano Observatory has detected more frequent seismic activity in the region.
The volcano has not erupted since 1984 and is long overdue an eruption having blown 10 times in the 20th century prior to this.
The US's National Park Service writes: "When Mauna Loa erupts, voluminous, fast-moving lava flows can reach the ocean in only a few hours, severing roads and utilities and repaving the volcano's flanks along the way.
"Since 1843, Mauna Loa has erupted 33 times, most recently in 1984, when lava flows reached to within 4 miles (6.4 km) of Hilo."
The heavy rains that have been lashing section of St James since late Friday afternoon resulted in significant flooding in several sections of downtown Montego Bay and has left several houses in the newly constructed Port Bello Housing Scheme, near Cornwall Courts, under water.
"We have had reports of Creek Street, Dome Street and the Sign main road being under water at this time," Montego Bay's mayor, Councillor Glendon Harris, told The Gleaner shortly after 1 p.m.
"We have teams from the National Works Agency, the Police and the St James Fire Department out there monitoring the situation".
As a result of the number of flooded roadways across the western city, traffic was reduced to a snarl in some areas and came to a complete standstill in many other sections, creating a nightmare for motorists and pedestrians.














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