Roger already said that any quality tank of recent vintage should be fine, albeit it will shorten the natural lifespan of the tank slightly.
If a tank is acrylic, I really wouldn't worry about seam failure to much as long as it is LEVEL.
Glass on the other hand, is just not as inherently strong as 5 pieces of acrylic welded together, nonetheless, Roger did say that AGA, Oceanic, I would assume LeeMar are all quality and should be fine as long as level.
Bolting a stand to the wall studs will offer protection against shear and is something I always do in earthquake-prone California!