Much of the media has been abuzz recently with excited reports that the lost city of Atlantis might have been found using ocean in Google Earth. See the picture below of the finding – a grid like image supposedly resembling a city’s roads, covering an area “the size of Wales.”
Unfortunately the image is almost certainly an artifact of the mapping process. The underwater images for Google’s ocean maps come from multiple sonar measurements of the ocean floor. (Unlike Google Earth which relies on satellite imagery to show the surface only.) The area in question was mapped by boats travelling in a series of straight lines, and the “grid” merely shows the route taken by those mapping boats. A spokeswoman for Google has been quoted in numerous places:
…what users are seeing is an artifact of the data collection process.
Bathymetric (sea-floor) data is often collected from boats using sonar to take measurements of the sea-floor.
'The lines reflect the path of the boat as it gathers the data.
But even without this information, it seems extremely unlikely this was ever an underwater city. A city the “size of Wales”? From this map of Wales you can see that would be approximately 130 by 70 miles in size - some city. And using a ruler to make some rough calculations, those roads would be at least a couple of miles wide. They must have been expecting some pretty heavy traffic over ten thousand years ago!