Why Supersonics Left Seattle?

After failing to find public funding to construct a new arena in the Seattle area, the SuperSonics moved to Oklahoma City before the 2008–09 season, following a $45 million settlement with the city of Seattle to pay off the team's existing lease at KeyArena at Seattle Center in advance of its 2010 expiration.

Did the Sonics leave Seattle?

The Seattle SuperSonics relocation to Oklahoma City was a successful effort by the ownership group of the Seattle SuperSonics to relocate the team from Seattle, Washington to Oklahoma City, Oklahoma.

Why was Seattle called the SuperSonics?

Klein and a group of minority partners were awarded the NBA franchise for the city of Seattle. Schulman would serve as the active partner and head of team operations. He named the SuperSonics after Boeing's recently awarded contract for the SST project, which was later canceled.