The dark UFO was recorded by Webcams de Mexico, a network of cameras locked on active volcanoes in the central American country to watch out for eruptions, as it appeared to pass over the Colima Volcano on June 13.
But despite all the fuss one UFO sceptic has already debunked the sighting saying it is just a blurred bird in flight known as a blurbo.
A report on paranormal website Inexplicata.blogspot.co.uk said the network of webcams had now acquired a worldwide reputation for capturing unusual phenomena such as this over Colima and the Popocatepetl Volcano.
It said: "A new UFO photo has gone viral on social media, shown near the Volcan de Fuego in the state of Colima.
"Through its Facebook account, Webcams de Mexico displayed the photograph last Friday, showing an object crossing the sky near the fiery colossus.
To read more and view the video, click here.