Yes Pupitar learn its.
YES
Nidorina cannot learn Earthquake by any method.
Rampardos can learn the move Earthquake though not by leveling up. You can teach Earthquake to Rampardos by using the TM 26 on it.
35
Not without an a r
Level 56 I think. . . .
I'm not sure but I think Tyranitar learns Earthquake after evolution.
Level 70
yes
Tyranitar learns Hyper Beam at level 73.
Tyranitar cannot naturally learn Dig, but it can be taught Dig through a TM.
71
Earthquake, Crunch, Rock Slide, Aerial Ace.
Arieal ace, Thunderbolt, Earthquake, and Crunch.
Yes has long as it can learn it in the first place.
No, Darkrai is not able to learn Earthquake.
Gastrodon does not learn Earthquake naturally, but it can learn it through use of a TM.
Yes, Gallade is able to learn Earthquake through the use of the Earthquake TM.