MORE 'very big' tremors have been felt across Puerto Rico amid fears the ‘biggest quake in a century’ is overdue.

It comes after a huge 5.8-magnitude earthquake hit the island yesterday now leaving thousands without power as they brace themselves for more terrifying aftershocks.

12 Buildings were severely damaged and thousands were left without power Credit: AFP or licensors

12 The community braces itself as more aftershocks are set to hit the island Credit: EPA

The tremor struck around eight miles off the Caribbean's southern coast and is believed to have taken out power across the whole of the island.

A further 6.6 magnitude quake is also reported to have hit today as fears grow for people's safety.

So far no casualties have been reported but a Tsunami alert has been issued across Puerto Rico and the Virgin Islands.

Buildings were left in ruin and landslides caused more damage after the earthquake hit at around 6.30am local time.

Several terrifying aftershocks were felt, including a 5.1 magnitude shake just hours after the first quake.

Pictures show the devastating aftermath with crumbling homes and crushed cars.

A popular tourist rock formation, known as Punta Ventana, also collapsed on Monday.

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Puerto Rico, a US territory, is home to around 3.2 million and has been hit by a series of earthquakes since December 2018.

Following the first quake yesterday, the US Geological Survey said: "More earthquakes than usual (called aftershocks) will continue to occur near the mainshock.

"When there are more earthquakes, the chance of a large earthquake is greater which means that the chance of damage is greater."

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12 The rock formation, Punta Ventana, before the earthquake on Monday Credit: AP:Associated Press

12 The rocks were later destroyed on Monday by the huge earthquake Credit: AP:Associated Press

12 People posted pictures of the cracks in the walls of their home on social media Credit: Facebook / Edlin Ortiz

12 A man takes photos of a house damaged by a 5.8 earthquake in Guanica Credit: AFP or licensors

12 It is thought that millions have been left without power across the island Credit: EPA

12 Cars were left crushed by falling buildings following the quake Credit: AP:Associated Press

12 A volunteer registers a woman at a shelter set up after a 5.8 earthquake damaged several houses in Guanica Credit: AFP or licensors

12 A stationary bike stands where the roof collapsed next to a home's game room located on the second floor, which is the top floor Credit: AP:Associated Press