Videos of ‘Earthquake Lights’ Above Morocco Are an Unexplained Mystery.

But accounts of these lights go back centuries, said John Ebel, a seismologist at Boston College who wrote a book on the history of earthquakes in the northeastern United States. In a study in 2014, researchers found reports of aerial luminous phenomena from 65 earthquakes occurring in Europe and the Americas during the 18th, 19th and 20th centuries. People have reported a variety of kinds of earthquake lights, ranging from glows high in the sky to low on the horizon. Some last up to minutes, others flash on and off...