Even if you think you have a strong enough wire on the back, the eye hook that attaches the wire to the frame could pull out if the screw hole has been used over and over. Even if you have the artwork’s hanging hardware looking good, you might have it barely hanging onto a nail on the wall! Even if you think its a good sturdy nail, it could pull out of the plaster wall board fairly easily. In other words, the weakest link will be the one that causes the whole thing to come crashing to the floor… JUST LIKE THIS $25,000 PAINTING!
If you live in hurricane or earthquake country, I’M TALKING TO YOU. But I’ve seen hanging items come off the wall with as little as a sonic boom and playing rambunctious kids. For additional suggestions about shake proofing your hanging artwork, look for an article on www.preservationcoach.com