THIS is the incredible moment a meteor was caught on camera flying over an erupting volcano.

Footage shows the Turrialba Volcano in Costa Rica spewing out smoke and ash into the night sky.

2 Cameras monitoring the erupting Turrialba Volcano in Costa Rica caught something unexpected Credit: Twitter - CNN International

2 A meteor flashes across the sky above the cloud of volcanic ash and smoke Credit: Twitter - CNN International

All of a sudden, a bight fireball appears from the left of the shot, streaking across the sky.

The astonishing moment was captured by a camera set up by the National University's Volcanology and Seismology Research Institute.

The institute was monitoring the volcano as it erupted – but scientists were undoubtedly not expecting to see the meteor as well.

The space rock is estimated to have been around 3,100 miles above the earth.

But it only appears just above the horizon as it cuts across the sky, almost disappearing behind the cloud of volcanic ash at one point.

The whole event – recorded at 10:22pm local time on Tuesday night, according to the Costa Rica Star – lasted only a few seconds.

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Turrialba Volcano is one of the biggest in Costa Rica, standing at 10,958ft high.

It is constantly monitored after a period of increased activity over the last few years since 2014.

Before this, visitors were able to hike down to the crater.

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