>>23459900STAB means it's ~80 power. STAB is 1.5x
55 BP at 15/19 is common in game. Rock Throw is a 50 BP move and Geodude gets it at 15.
Piplup gets Bubble Beam, 65 BP, at 19.
Lots of normals get Tackle to start with. Do you know what its BP is now in the base game?
50.