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In _One Piece_ , there is a hole which appears in the ocean.

[![enter image description
here](https://i.stack.imgur.com/nmmAbm.jpg)](https://i.stack.imgur.com/nmmAb.jpg)

Why is this hole here? Is it known what created it? And, are there other holes
like it?


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2013-05-25T04:23:50.887
3905
2016-12-04T17:32:06.973
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question
one-piece
Why are there holes in the ocean?


The hole in the ocean from your image is from the first [One Piece
special](http://onepiece.wikia.com/wiki/Episode_Special_1).

As for the reason why it was there, this is what I could find:

> She opens it only to find just a skull inside. Usopp reads the back of the
> skull, which engraves about a treasure that can make anyone's dream come
> true. It lies deep in the ocean's naval. Then a large hole begins to form
> near the crater they crashed into, so Usopp, Nami, and Sanji prepare
> themselves in a diving barrel to explore the cavity in the sea.

So far we have seen two other "holes" in the anime. The first of them being
the whirlpool that is formed by the [Knock Up
Stream](http://onepiece.wikia.com/wiki/Knock_Up_Stream).

The second one is seen in the [Maubeugemour
Sea](http://onepiece.wikia.com/wiki/Maubeugemour_Sea) in [episode
575](http://onepiece.wikia.com/wiki/Episode_575) (this is a filler for the
[One Piece Film Z](http://onepiece.wikia.com/wiki/One_Piece_Film_Z)).

![Hole in Ocean](https://i.stack.imgur.com/hyF5t.png)


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2013-05-27T09:25:35.630
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2016-12-04T17:32:06.973
2016-12-04T17:32:06.973
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answer