Mysterious lights in the sky seen after Mexico’s huge earthquake

[C C]

https://www.newscientist.com/article/214...arthquake/

EXCERPT: After an 8.1-magnitude earthquake struck off the southern coast of Mexico on 7 September, videos of fuzzy green smears in the night sky went viral online. Earthquake lights are a phenomenon so unusual that they border on myth. The first known reports of them are from 89 BC, with spotty descriptions over the centuries. Recently they've been seen during foreshocks and the main earthquake in L’Aquila, Italy, in 2009, and as flashes of blue lightning over Wellington, New Zealand, in 2016. “These phenomena are well-documented because of so many security cameras running day and night now,” says Friedemann Freund at NASA’s Ames Research Center....

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[RainbowUnicorn]

in the world of unusual events earth quakes lights are nothing new.
there is nothing mystical or magical about them.
simple science explains the basic principals.
however, that level of science is not commonly read or chatted about, unlike the head-line of a massive earth quake on every front page.
there are various different types of lights, and even earth quake lightning.

it depends on various factors.
what type of quake, what type of rock formations, atmospheric conditions, planetary EM field conditions, solar flares etc etc...

[RainbowUnicorn]

added...
those not familiar with it.. commonly referred to as "ball lightning"
is also possible.
from rough memory it is a electromagnetic variance between electrical fields in the ground mixing with atmospheric electrical fields resulting in the burning of a type of gasious discharge.
something similar to what you see as a neon sign of fluorescent light.