Media outlets label electrical flashes during earthquakes as “earthquake lights”.
A series of giant earthquakes within the continental interior is strange in itself, but other notable phenomena associated with the New Madrid, Missouri quakes of 1811-2 made the events preternaturally awful. In this piece, I explore the scary and weird features that were said to accompany the New Madrid earthquakes.
The evidence for earthquake lights (EQLs) consists overwhelmingly of anecdotal accounts. But scientific evidence has been accumulating, and in the past 10 years a plausible theory to explain the host of unusual precursors has been proposed. This comprehensive guide examines the credibility and causes of earthquake lights.