Where is team magma in soul silver?

Team Magma is not found in Pokémon SoulSilver. They are the main antagonists in Pokémon Ruby and Sapphire, and their rival organization, Team Aqua, is the main antagonistic force in Pokémon Emerald.

In Pokémon SoulSilver, you'll encounter Team Rocket, the villainous organization from the original Pokémon Gold and Silver games.