Tsunamis: Facts About Killer Waves. The earthquake that generated the great Indian Ocean tsunami of 2004 is estimated to have released the energy of 23,000 Hiroshima-type atomic bombs, according to the U.S. Geological Survey (USGS).
The 1988 Happy Holiday Barbie is considered to be the first Collectible Barbie, although it wasn't originally planned that way. The dolls rapidly sold out and almost immediately began to command big prices on the secondary market.
One of Barbie's first transformations after so many years with the Superstar face was with the Mackie Face, which was first used for Mackie's 1992 Neptune Fantasy Barbie and then was used more and more for Collectible Barbies. The 1998 Happy Holiday Barbie was the first Holiday Barbie to have the Mackie face.