There are 3 bands with this name. Ruckus (Los Angeles, not to be confused with the other Nu-Metal esque band with the same name) Is a heavy hardcore band. They've got an EP, a 2 song sampler, and a split with Xibalba/World of Pain under their belt, and they're undergoing writing for their debut LP. The Ruckus was a ska-punk band out of Herndon, VA. Also a Swiss metal band that released a full-length album in 1994 and later morphed into http://www.last.fm/music/Shakra

Read more about Ruckus on Last.fm.