An earthquake precursor could be any anomalous phenomena that can give effective warning of the imminence or severity of an impending earthquake in a given area.

In 1996 Varotsos and other colleagues claimed to have predicted impending earthquakes within windows of several weeks, 100-120 km, and 0.7 of the magnitude.

Convinced that the strange occurrences are signs of an impending earthquake, she delves further in the matter.

And in December 1903 he published another revelation in Al-Hakam, December 24, 1903, warning of an impending earthquake.

This included a narration sequence about the San Andreas fault and an impending catastrophic earthquake that would occur in either Los Angeles or San Francisco.

He was aware of the vampire in much the same way animals could sense impending earthquakes; it was a disturbance in the Force.

Theorists have suggested many possible causes, including impending earthquakes and subterranean gas explosions, but naturally occurring "brontides," or loud noises, are still enigmas.

Plus, not to forget, the SMS hoax of an impending earthquake in Ghana that left many people too scared to sleep indoors.

The changes in shear wave splitting measurements over the time leading up to an impending earthquake can be studied to give insight to the timing and location of the earthquake.

If you warn a population of an impending earthquake, do the resulting deaths from panic outnumber the deaths from the quake itself?