Is this a temporary or permanent position? http://silverdaddies.fun/ silverdaddies.com The split, which creates a massive 278 square mile (720 sq km) iceberg, follows predictions by scientists, who in 2011 said they suspected such a break off would occur. Confirmation of the crack came after data collected by German TerraSAR-X satellite showed the iceberg beginning to float off to sea. NASA scientists first spotted the iceberg forming when flying over the PIG.