Strange glow emitted from rocks prior to earthquake event stresses in rock materials may cause a flow of electrons in quartz (piezoelectricity)--some believe the electricity effect can ionize gases causing a glow at the surface 4.
(Strange glow; emitted; from rocks; T:prior to earthquake event) (gases; causing; a glow; L:at the surface 4) (some; believe; the electricity effect can ionize gases) Context(some believe,List([145, 157))):(Strange glow emitted from rocks prior to earthquake event; stresses; L:in rock materials; may cause a flow of electrons in quartz) Context(some believe,List([145, 157))):(the electricity effect; can ionize; gases causing a glow at the surface 4)
some believe,List([145, 157)) some believe,List([145, 157))
Strange glow gases some Strange glow emitted from rocks prior to earthquake event the electricity effect
emitted causing believe stresses can ionize
from rocks T:prior to earthquake event
a glow L:at the surface 4
the electricity effect can ionize gases
L:in rock materials may cause a flow of electrons in quartz
gases causing a glow at the surface 4