What is an ice volcano? How did this form?
Over the winter ice forms and is broken up blown toward shore and begins to pile up on shore and over shallow water. I have seen piles more than 8 meters high (above the water level). Waves smash against the ice, sometimes undercutting it. With enough wave action the water may cut a hole up through a section of ice several meters in from the edge. Then with more ice blown to this shore some of it enters the ice cave/tunnel and spews out the hole (like lava from a volcano) and forms an ever larger rim of ice around the hole. Pretty spectacular to watch the eruptions during a storm! Maybe someday I'll get some good fotos of that!
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Photo taken in Houghton County, MI, USA
Misplaced? Suggest new location