Interesting!!!!Mysterious lightning flashes that appear to precede earthquakes could be sparked by movements in the ground below, US scientists say.
Unidentified glowing objects were spotted moments before major quakes in China and Italy recently. .........................
.......................... Stories of "earthquake lights" have been recorded for 300 years, but were typically dismissed by scientists as hearsay, or fodder for UFO enthusiasts.
However in recent decades - and with the advent of YouTube - sightings of "clear-sky lightning" have been captured, analysed, and confirmed by scientists.
Videos of luminous orbs seen during the Fukushima and L'Aquila earthquakes were widely shared online.
http://www.bbc.co.uk/news/science-environment-26462348