Beast Quake refers to the play that Marshawn made last time he played for Seattle, where he broke nine tackles on route to a 67-yard touchdown run. The resulting celebration from the crowd in Seattle was so intense that it registered on a local seismic monitor.
He filed the application on a 1(b) basis, meaning that Marshawn has an intent to use the trademark in association with the goods listed in the application. This includes a clothing brand and a line of non-alcoholic beverages.
Surprisingly, this is the first attempt made to protect this phrase.