Does "scale" mean the same thing in these two sentences?

They entertained on a grand scale.

The magnitude of an earthquake is measured on the open-ended Richter scale.

OPTIONS:
- different meanings
- the same meaning
the same meaning
Betyder "skala" samma sak i dessa två meningar? De roade sig i stor skala. Storleken på en jordbävning mäts på den öppna Richterskalan. Alternativ: - olika betydelser - samma betydelse
Does "scale" mean the same thing in these two sentences? They were enjoying themselves on a large scale. The size of an earthquake is measured on the open Richter scale. Option: - different meanings - same meaning
samma betydelse
the same meaning