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Crack in trunk (5 Replies)

Posted December 21, 2013 at 11:54 am

Any idea what might have caused this?

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Posted December 21, 2013 at 3:46 pm

Lightning Strike????

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Posted December 21, 2013 at 4:26 pm

That would be my guess, too. There are actually several cracks in the trunk similar to the pic. Generally bark comes off with a strike, but I guess that doesn’t always happen.

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Posted December 22, 2013 at 11:47 am

Wouldn’t lightening strike leave a burned or singed mark?

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Posted December 22, 2013 at 12:41 pm

looks like some bark is stripped off on the left side. It’s a big old tree that could cause trouble if those cracks indicate instability within the trunk. If it was my tree, particularly if it was close to my house, I’d seek out the opinion of a certified arboristist A.S.A.P.

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Posted December 22, 2013 at 11:52 pm

Lightning strikes happen with such immediate force that the tree doesn’t always have time to burn. Many times the instant heat generated by the grounded charge causes the vascular structure to rapidly expand and the tree literally explodes creating irregular shattered pieces and a shorn trunk. To me, this is a tree that gradually died (or is dying) from some disease and the vertical fractures are stress cracks that developed over time in the dead wood.

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