VITROLLES (13) 19.01.1981

Summary

In January 1981, near Vitrolles, several witnesses reported a loud noise and strong vibrations during the early morning. Some also saw pinkish glows in the sky above a factory. The investigation concluded that the phenomenon was linked to the activation of a new structure at a refinery in the area. It was explained that the lights on the clouds were caused by a newly lit flare tower that night. Although it might initially seem unexplained, the case was resolved with a clear and technical explanation.