Ice volcano on the Lake Superior ice foot

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Comments (2)

dlespera on July 21, 2012

What is an ice volcano? How did this form?

J Belote on July 22, 2012

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 details

  • Uploaded on January 30, 2009
  • © All Rights Reserved
    by J Belote