It's been suggested that the Cataclysm had come close to shattering the whole world, and therefore it might also be suggested that at least tremors may well have been felt everywhere. However, and someone may correct me (as I have been through most, but not over every square meter of each), but none of the following regions have seen significant geological or structural damage, despite the other developments that may have changed some.
Teldrassil, Felwood, Moonglade, Winterspring, Azshahara, Stonetalon Mountains, Mulgore, Dustwalllow Marsh, Desolace, Un’Goro Crater, Silithus
Eversong Woods, Ghostlands, East & West Plaguelands, Tirisfal Glades, Silverpine Forest, Hillsbrad Foothills, The Hinterlands, Arathi Highlands, Dun Morogh, The Burning Steps, The Searing Gorge, Elwynn Forest (excluding Stormwind City), Redridge Mountains, Duskwood, Swamp of Sorrows, The Blasted Lands.
You might count Azuremyst and Bloodmyst Isles, and Northrend.
Or it’s easier to list what has been affected:
Loch Modan, Wetlands, The Badlands, Stormwind City, Westfall, Stranglethorn Vale, Darkshore, Ashenvale, Durotar, The Barrens, Feralis, Thousand Needles, Tanaris.
Edited by Brandbombe on 4/23/2013 10:31 PM PDT