If you've seen Cloverfield, you know it explains very little. However, you can still find the answers. CF is sort of like internet-Myst. :]
http://www.1-18-08.com/
http://www.kadokawa.co.jp/mag/ace/ (click enter), and the English summery http://blog.wired.com/underwire/2008/01/cloverfield-man.html
http://jamieandteddy.com/ (pw:jllovesth)
http://www.slusho.jp/ (the History section is a great summery of the manga, or at least the beginning of it)
http://tagruato.jp/
http://tidowave.com/
http://www.empireonline.com/news/feed.asp?NID=21741
http://www.1-18-08.com/
http://www.kadokawa.co.jp/mag/ace/ (click enter), and the English summery http://blog.wired.com/underwire/2008/01/cloverfield-man.html
http://jamieandteddy.com/ (pw:jllovesth)
http://www.slusho.jp/ (the History section is a great summery of the manga, or at least the beginning of it)
http://tagruato.jp/
http://tidowave.com/
http://www.empireonline.com/news/feed.asp?NID=21741