What level does a Trapinch learn Fissure?

Answer 1

it doesn't, the move it can learn(not counting TM s and hm s) are

bite, sand attack, feint attack, sand tomb, crunch, dig, sandstorm, and hyper beam

trapinch's evolutions don't learn fissure either..

sources-

serebii.net

Answer 2

In Pokémon Black and Pokémon White, Trapinch will automatically have Bite as one of its moves upon caught however it will lear Sand-attack at Level 9, Faint Attack at Level 17, Sand Tomb at Level 25, Crunch at Level 33, Dig at Level 41, Sandstorm at Level 49, Hyper Beam at Level 57, Earth Power at Level 65, Earthquake at Level 74, Feint at Level 81 and Fissure at Level 89.

Answer 3

i'm not exactly sure, but i think that you have to get the TM Earthquake and teach it to trapinch.