In all the discussion about new Cataclysm foreshadowing being added in 3.3.3, the tremors that were added to the old world in 3.3.0 is often brought up. I'm curious, though. While I've been aware that the shaking was added for quite some time, I've never actually seen it. I remember a [DND] Shaker NPC being found in Stormwind, so I presume one of the shaking zones is Stormwind itself, but... I'm Horde! Ha.
So, which zones are doing their thing? About how often does it happen? Call me silly, but I'd like to hang out and see one.