Earthquake than tsunami
Megathrust
the 9.3 earthquake before it i think
Indian Ocean earthquake and tsunami
At the time it was a clear, calm, sunny day. The tsunami was triggered by an undersea earthquake and had nothing do do with the weather.
Banks call it boxing day
7:34 am 26th december 2004
The Indian Ocean earthquake and Tsunami, casualities over 300,000
Boxing day...The 2004 Indian Ocean earthquake was an undersea megathrust earthquake that occurred at 00:58:53 UTC on December 26, 2004, with an epicentre off the west coast of Sumatra, Indonesia. The quake itself is known by the scientific community as the Sumatra-Andaman earthquake. The resulting tsunami itself is given various names, including the 2004 Indian Ocean tsunami, Asian Tsunami, Indonesian Tsunami, and Boxing Day Tsunami. (Wikipedia)For the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated directly below this answer section.
Boxing Day is a legal holiday on the first weekday after Christmas. Christmas boxes are given to service workers such as postal workers on that day.
Boxing Day is December 26. It is named for the "Christmas box" or present given to servants and tradesmen.
The Tsunami was caused by a earthquake near the island of Aceh just off the west coast of indonesia