Is it possible to earthquake-proof furniture (e.g. tall bookshelves) when you have plaster walls?
I was dissuaded from attaching to studs by an employee at a local hardware shop, while at the same time he sold me the nails/screws required to hang a decently heavy picture frame and a closet rod to the same wall type. I understand the forces are different, but is stud-attaching and 45 degree angles suddenly a waste of time when it comes to earthquake proofing with plaster walls? I'm not even looking for permanent security, just something that at best can just buy a little more time in case of an emergency.