Earthquake light
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An earthquake light, also known as earthquake lightning or an earthquake flash, is a reported luminous phenomenon that is said to be associated with tectonic stress, seismic activity, or volcanic erup
Massakicho Town, Ōfunato Bay after the 1933 Sanriku earthquakes, where reports described bluish-white luminescence over seabed exposed by receding tsunami waters.
Fujiwara no Tokihira recorded one of the earliest known reports of earthquake lights in 901, from the 869 Jōgan earthquake: 流光如晝隱映 ("flowing light bright as day, flickering").
Çınarcık on the Sea of Marmara, near where luminous phenomena were discussed in reports following the 1999 İzmit earthquake.
Ball lightning
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Ball lightning is a rare and unexplained phenomenon described as luminescent spherical objects that vary from pea-sized to several meters in diameter. Though usually associated with thunderstorms, the
Earthquake light
…to electrical grids, such as arcing power lines, which can produce bright flashes as a result of ground shaking or hazardous weather conditions. Ball lightning Earthquake cloud…
Ball lightning entering via the chimney (1886)
A demonstration of the water discharge experiment