Some rather cool ice volcano ‘eruptions’ have been spotted at a beach in Michigan in the United States.

But what exactly are they, and how are they made? Experts at Michigan Technological University have the answer.

They say the cone-shaped pieces of ice form at the edge of an ice shelf, when a large piece of ice flows down to a coastline.

Then strong winds from the shore force big waves under the ice shelf.

These waves push up ice and water from underneath the shelf – this slush ‘erupts’ out of the cones, creating ‘ice volcanoes’.

Unlike normal volcanoes, they do not spew out hot, molten magma but they can still be pretty big, with cones reaching as high as eight metres!

But what about other amazing natural phenomena around the world?

Stay tuned to find out about frozen methane bubbles in Canada….

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