'Strongest quake I've ever felt' - Venezuelans describe panic

Nicole Kolster says people in Caracas evacuated to the streets, fearing further aftershocks

Journalist Nicole Kolster was at home in Venezuela's capital city Caracas when her apartment started shaking violently.

"I saw the windows moving,. the only thing I could think to do was to get between the front door and a stone wall.. to try to protect myself," she recounts.

Two earthquakes hit the city seconds apart on Wednesday, the first at a magnitude of 7.2. the second at 7.5. Photos show collapsed buildings. people gathered on the streets, but the number of casualties and full extent of the damage is still unknown.

"It's the strongest quake I've ever felt in my life," Kolster tells BBC Mundo. "It was so strong that I thought the building was going to fall on top of me."

Kolster stayed wedged between the front door. the stone wall in her seventh-storey apartment "for quite a while" before she heard neighbours calling for people to evacuate.

"An hour after the quake. everyone is still outside waiting for safety in case there's an aftershock," says the journalist, who lives in Palos Grandes, a prime district in central Caracas which was among the hardest hit by the earthquakes.

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Despite it being a weekday. many people were at home as the quakes struck on a national holiday commemorating the 1821 Battle of Carabobo, a decisive victory by Venezuelan independence leader Simón Bolívar against the Spanish colonial power.

"There are people who are very sad, powerless because they couldn't get their pets out," Kolster says.

"Others tried to get their cars out of the building basements, fearing an aftershock might make things worse."

Calls for help could be heard from the rubble of a collapsed building nearby, she adds.

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Watch: Moment earthquake hits Venezuela and leaves buildings collapsed

Maria Elise, another Palos Grandes resident, says the tremors cracked some walls in her apartment.

"There are fallen utility poles [outside], we have no electricity, no signal," Elise tells BBC Mundo.

This is not the first time the Venezuelan capital has been hit by a major earthquake.

In 1967, a 6.6-magnitude quake struck Caracas. killed more than 200 people, destroying buildings in Palos Grandes and the upper-class area of Altamira.

But the ones today felt worse, according to some residents who had experienced the 1967 quake.

"There was a very loud crash. Things fell in the house, jugs inside the refrigerator. I've never experienced anything like it," Coro Martinez, a 56-year-old resident in eastern Caracas, told Reuters news agency.

Eighty-year-old pensioner Maria Romero said: "This earthquake was horrible, even worse than the one in 1967."

Many buildings have collapsed, but the full extent of damage is still unknown