What would cause branches to suddenly fall off of a large Norfolk Pine tree?

I heard a lot of popping and saw a cloud of dust when a bunch of branches suddenly came crashing down from a Norfolk Pine. There was no wind or rain to cause this.

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1 Comment To "What would cause branches to suddenly fall off of a large Norfolk Pine tree?"

#1 Comment By GKH_Susan On 05/21/2020 @ 2:56 pm

One can conclude that the tree was compromised in some way; insects, disease, or inappropriate care.
Here are links to some probable pests or disease issues with the Norfolk Island Pine.

A close up inspection of the trunk and needles may help.

https://www.gardeningknowhow.com/houseplants/norfolk-pine/norfolk-dropping-branches.htm ^[1]

https://www.ctahr.hawaii.edu/oc/freepubs/pdf/C1-453.pdf ^[2]

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URLs in this post:

[1] https://www.gardeningknowhow.com/houseplants/norfolk-pine/norfolk-dropping-branches.htm: https://www.gardeningknowhow.com/houseplants/norfolk-pine/norfolk-dropping-branches.htm

[2] https://www.ctahr.hawaii.edu/oc/freepubs/pdf/C1-453.pdf: https://www.ctahr.hawaii.edu/oc/freepubs/pdf/C1-453.pdf

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