yes
you can get it in seafloor cavern
You can buy the TM for Earthquake at the Battle Tower/Battle Frontier.
you can't
In Pokémon Ruby, Earthquake can be found as a TM (Technical Machine) in the Seafloor Cavern, which is located near Mossdeep City. You can obtain it by navigating through the cavern and reaching the room where the TM is located.
23.
you can't buy it,but you can get it in fallarbor town in one of the houses with tunnels
you can buy it in either the lilycove department store or slateport
If you're asking what it is, it's earthquake. If you're asking where to find it, it's at the seafloor cabin.
You find the TM Earthquake inside Victory Road.
TM 26 Earthquake can be found in the Relic Castle
you get it in lilycove dept. store in the floor where you buy TM's. good luck
There is not a tm for bite or crunch.