SpaceWeather reports:
... An earthquake was nearly concurrent with a large fireball in Nebraska.
"Sky watchers, not only in southeastern Nebraska, but also in neighboring Oklahoma, Missouri and Kansas, saw a "bright fireball" with "green streamers" moving from northwest to southeast." ...
http://www.spaceweather.com/glossary/fireballreports_16dec09.htm?PHPSESSID=u98000s616okmr53vgf59nciu6
readers comments: #1, #2, #3
Cass News.com
http://www.cass-news.com/articles/2009/12/17/news/local/doc4b2a8bb1b253b965273043.txt