Christmas cheer for this family in Indonesia.

A girl who was believed to have been swept away by a massive tsunami that devastated coastlines in Asia has reportedly shown up alive, nearly seven years to the day after she vanished.

Indonesian state news agency Antara reported the girl, named only as Wati, was aged eight when she was ripped from her mother's arms by the rushing waters near her home in West Aceh, Indonesia, in December 2004.

Her mother, Yusniar, was trying to get her and two other children to safety at the time. The girl's grandfather, Ibrahim, met a teenager who had traveled from another region, Banda Aceh, saying she was trying to find her way home.

The girl said she could not remember any of her relatives' names apart from one -- Ibrahim. He became convinced the girl was Wati, and her parents also later identified the girl as their daughter by a small mole and a scar over her eyebrow.