30 mins before the 2008 Sichuan earthquake in China
An earthquake light is an unusual luminous aerial phenomenon, similar in appearance to the aurora borealis, that allegedly appears in the sky at or near areas of tectonic stress, seismic activity or volcanic eruptions. Scientific evidence for the presence of lights is sketchy, given that there are few references documenting the phenomenon. (via wikipedia)
That’s just freaky. I’m going to say it’s aliens shooting their lasers at the earth.