It never does; you need to find the hm.
Flygon cannot learn Earthquake by leveling up, you have to use TM26.
salamance didn`t learn earthquake but you can teach it using TM
It can learn it via the TM but not by level.
Flygon doesn't naturally learn either of those moves.
If you have a TM. The only ground type moves it can learn is earthquake and magnitude.
The Pokemon Aggron is the final evolution of the Pokemon Lairon, which evolves at level 42. It is not able to learn the move Earthquake through leveling, but it can be taught Earthquake using TM26 at any time.
It can not learn dig through training. You have to teach it TM 28
baltoy can learn dig, you can find him with your google goggles and og to the desert
claydoll learn hyper beam. self destruct, earthquake, and sandstorm; it can also learn phsychic
yes
at lvl 9 it learns astonish and at lvl 100 it learns earthquake
You can't make flygon learn Draco meteor in emerald Sapphire and ruby, but you can migrate flygon to d/p and platinum then try to find a house in the foggy area the psyduck were blocking if you talk to her she will teach one of your Pokemon Draco meteor but your Pokemon have to really like you so she can teach Draco meteor. Hope I hellped :))))))))))