UFO over Popocatépetl Volcano, Mexico - Dec 5, 2013 Saturday, December 07, 2013 Get link Facebook X Pinterest Email Other Apps Over the years, there have been countless sightings of UFOs approaching or diving into Mexico's Popocatepetl volcano. In a new video, a UFO seems to approach Mexico's Popocatepetl volcano on December 5, 2013.