ice mass snaps free from canada arctic is this important?

Answer 1

Not really. Icebergs calve all the time. Calve is the term used to describe chunks of ice that break off from glaciers. Very large icebergs have been tracked for years so as to alert ships at sea and prevent another Titanic collision.
An ice mass broke free from Antarctica some years ago and I presume that it is still out there. After the initial news reports by the "Sky is falling" crowd then all goes silent, because it is just another item to be charted for navigation.
Very similar to the junk left in space. NASA tracks many pieces of junk littering space so the shuttle or other space flight vehicles will not collide with it. Personally, I don't think we should litter, but some of it cannot be avoided, I suppose.

Answer 2

I do not think this is news worthy. All glaciers are driven by gravity to the sea. Then they break off and become icebergs.
This has been happening forever. They are spetacular when they break off.

Answer 3

Yes. that means it si going into the ocean causing higher ocean water levels

Answer 4

It is if it heads your way!;