Either yesterday or the day before, the same series of events happened to me.
It was a suit of full chain steel, made with white stag patches. I was customizing it, got knocked down, and it wouldn't let me craft it anymore.
When I logged out and back in, my character was wearing nothing. The suit had gone poof.
I read a recent response that said DMs won't help with lost crafted gear, so I didn't bother reporting it. I also assumed it was a freak occurrence, but if the tremors are causing lost gear this often, perhaps it's worth tracking down.