Where can you buy earthquake in Pokemon Fire Red?

You can't buy Earthquake in Pokémon Fire Red.

Here's why:

* Earthquake is a TM (Technical Machine): It's not a move learned naturally by any Pokémon in Fire Red.

* TMs are found, not bought: You can find TMs in various locations throughout the game, such as hidden in caves or given as rewards.

To get Earthquake in Fire Red, you'll need to find TM44.