Each street is ~1 mile across.
The distance between two successive "streets" is ~10 miles.
The whole "city" is ~100 miles measured on one edge.<p>I, for one, welcome our new undersea giant overlords.<p>P.S.: Gmaps is full of artifacts like that. Here's another one, bigger than Ireland:<p><a href="http://maps.google.com/?ie=UTF8&t=h&ll=54.188155,-12.98584&spn=4.513794,11.206055&z=7" rel="nofollow">http://maps.google.com/?ie=UTF8&t=h&ll=54.188155,-12...</a>