Buggy world generation

[Noshery]

I am not sure if this is a bug with vanilla or BTW, but I found a bunch of chunks of land in the middle of an ocean that should not be there.

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I have not updated my version of the mod, or changed anything with minecraft.

[Six]

This looks like a very common vanilla thing, when you delete an old world and create a new one by the same name. What you are seeing are chunks from the previous world which never finished deleting.

[Zhil]

You can use MCEdit to delete the offending chunks and regen them next time you enter the game.

[Noshery]

thank you :)

[Heilkaiba]

You also get this when you have created a world before a Minecraft update affecting world gen. There hasn't been one in a while though. In one of my old worlds I have some rather dramatic ocean/extreme hills borders and in another there are several shear cliffs underwater.