Feeds

Upgrade eliminates Atlantis from Google Earth

Data glitch explanation won’t satisfy true believers

  • alert
  • submit to reddit

Security for virtualized datacentres

The latest update to Google Earth has resolved the software error that caused some to suspect the lost city of Atlantis had been found in the Atlantic Ocean.

For the last three years, Google Earth has shown what appears to be a grid on the sea floor between the Canary Islands and the mid-Atlantic ridge that bisects the ocean. After it was spotted, Google explained that the pattern was formed by a processing glitch caused by overlapping data sets, but that didn’t stop some internet denizens fond of tinfoil headgear from proclaiming that the image is proof that the legendary city existed.

Google Earth picture of Atlantis glitch

Data glitch, or the largest city in human history?

Atlantis was first mentioned by Plato around 360BC. He spoke of a vast continent, larger than Libya and Asia Minor combined, lying just beyond the mouth of the Mediterranean. Plato never claimed to have seen the city, which supposedly sank beneath the waves in 24 hours, but instead claims to have heard of it as a story passed down over generations. The advent of the theory of continental drift and undersea mapping techniques has led to a waning of support, but there are still a few stubborn souls who believe the story.

The upgrade to Google Earth involved students identifying such cases and checking the data that produced the images. In the case of Atlantis, the image was formed by mixing a relatively low-quality scan of the sea bed, and overlaying that with the paths taken by sonar-carrying ships performing scans. Due to the scale of the images, the resultant “city” would have been the size of Wales – or New Jersey, for The Reg's stateside readers – making it the largest metropolis in recorded history, had it existed.

The undersea data for Google Earth comes from a variety of sources other than sonar, however. Around 90 per cent of the data on the ocean floor’s topology are taken from gravity measurements made from NASA’s Shuttle Radar Topography Mission (SRTM) rather than ship-mounted sonar, and this data will be upgraded next year with much more accuracy using the European Space Agency satellite called CryoSat.

To date, around 15 per cent of the ocean floor has been mapped to within one kilometer resolution for the Google Earth project, with the eventual goal being to explore the entire undersea landscape. It’s a sad fact that we know more about the surface of the moon than we do about our own terrestrial ocean-floor terrain. ®

Top 5 reasons to deploy VMware with Tegile

More from The Register

next story
Facebook pays INFINITELY MORE UK corp tax than in 2012
Thanks for the £3k, Zuck. Doh! you're IN CREDIT. Guess not
DOUBLE BONK: Testy fanbois catch Apple Pay picking pockets
Users wail as tapcash transactions are duplicated
Happiness economics is bollocks. Oh, UK.gov just adopted it? Er ...
Opportunity doesn't knock; it costs us instead
Google Glassholes are UNDATEABLE – HP exec
You need an emotional connection, says touchy-feely MD... We can do that
YARR! Pirates walk the plank: DMCA magnets sink in Google results
Spaffing copyrighted stuff over the web? No search ranking for you
prev story

Whitepapers

Why cloud backup?
Combining the latest advancements in disk-based backup with secure, integrated, cloud technologies offer organizations fast and assured recovery of their critical enterprise data.
A strategic approach to identity relationship management
ForgeRock commissioned Forrester to evaluate companies’ IAM practices and requirements when it comes to customer-facing scenarios versus employee-facing ones.
Security for virtualized datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.
Reg Reader Research: SaaS based Email and Office Productivity Tools
Read this Reg reader report which provides advice and guidance for SMBs towards the use of SaaS based email and Office productivity tools.
New hybrid storage solutions
Tackling data challenges through emerging hybrid storage solutions that enable optimum database performance whilst managing costs and increasingly large data stores.