Mysterious lights that dance in the days or hours leading up to earthquakes take many different shapes and colors.

Earthquake lights seen Tagish Lake, in the Yukon Territory, in 1972. Large orbs are visible in the foreground, while smaller ones (highlighted by arrows) are seen higher up. Photo by Jim Conacher ...

Mysterious flashes of lightning sometimes herald earthquakes, and now scientists may have discovered why: Shifting grains surrounding faults in the Earth may generate an electric charge. This ...

Rare earthquake lights are more likely to occur on or near rift environments, where subvertical faults allow stress-induced electrical currents to flow rapidly to the surface, according to a new ...

Flashes of light preceding an earthquake have been reported for centuries.

Extraordinary earthquake lights explained -- they're not UFOs The rare and colorful lights sometimes seen before major earthquakes could come from electric charges in certain types of rock.

A new catalogue of earthquake lights — mysterious glows sometimes reported before or during seismic shaking — finds that they happen most often in geological rift environments, where the ...

Flashes in the sky above Morocco moments before a devastating earthquake struck the country and killed thousands were captured in social media videos – similar to unexplained lights seen during ...