earthlights
/ˈɜrθˌlaɪts/
noun
- Unusual lights or glowing phenomena sometimes reported near the ground, often associated with geological activity or folklore.
- Hikers in the mountains reported seeing strange earthlights flickering near the ridge at night.
- Some scientists think earthlights are caused by electrical charges in the rocks during earthquakes.
- Local legends tell of earthlights that appear over the old mine shafts.