Earthquake light

As earthquake lights or earthquake lights putative rare, mostly bluish, luminous phenomena are referred to, the front since ancient times, are described during and after earthquakes. The occurrence of these luminous phenomena is not limited to the immediate proximity to the epicenter, but can also be observed in hundreds of kilometers away.

Its existence is controversial because so far no scientific measurements exist that could prove the phenomenon. However, there are film shots that show the phenomenon .. To date, there are only speculative approaches to their explanation, but no reliable theory.

Due to the accumulated occurrence in inner zones of continental plates, it is a possible explanation is that due to mechanical stresses within the plates, electric charges are constructed (see piezoelectric effect ).