A series of small lakes (ponds) form along the San Andreas fault in California called “sag ponds”. Some have spooky legends or lore associated with them, specifically, that they hide monsters or are bottomless.
Frost quakes can occur when water saturated ground undergoes rapid deep freezing. The energy release causes noise and shaking.
Many sites have been given the creepy name of “Devils Hole”. The most famous Hole is in Death Valley, Nevada where a notch in the rock reveals an oasis of ancient groundwater in the otherwise brutally dry desert landscape. The cave opening is unusual, the water level responds to seismic events around the world, the underground passageways are complex and its depth is unknown. The opening in the desert sparked strange thoughts from one of the most disturbed criminal minds of our time, claimed lives, and hosts a rare species.
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.