Minecraft – How did this huge hole form

minecraft-java-edition

So, as you can see here, I have this hollow and wide hole! I know a Creeper didn't blow it up, because of this.

  • The bottom is really smooth,
  • I'm in Creative Mode
  • My game is set to peaceful.

enter image description here

Best Answer

This is an example of a basin. A basin is essentially an area of land not covered by grass, therefore exposing things such as dirt, gravel and ores. Your basin looks like it's pretty small, but I've seen ones that small before. Here's an example of a large generated basin.


(source: cursecdn.com)