A sinkhole the size of a football field opened up on North Stradbroke Island, just off the coast of Queensland near Brisbane on Wednesday.

North Stradbroke Island.

North Stradbroke Island. Image by Mart Moppel / CC BY-SA 2.0

Swimmers have been warned to stay away from the sinkhole at Jumpinpin Beach which is on the north of the island, as it is not patrolled by surf lifesavers. A spokesperson from Surf Lifesaving Australia explained, “There are really strong currents in the water and the sand is quite unstable”. The stretch is popular with fishermen and four-wheel-drive enthusiasts. In September this year, a sinkhole swallowed a caravan at Rainbow Beach, a little further north on the mainland.

Read more: rt.com