New Zealand Quake Kills 65 And Traps Hundreds! Isn't God Good?

I consider the evidential case against a good God from naturally caused suffering to be the most significant problem for believers.

Can anyone tell me why God did not do a perpetual miracle by averting that earthquake? If God was concerned about remaining hidden then no one would suspect he did anything if he averted it, because it would not have taken place. Anyone? Anyone?