Answer the following in one or two sentences:

What is a Tsunami?

The word Tsunami is originated from the Japanese word which means the Harbour waves. The Tsunami is being created when there large seismic waves under the sea caused by an earthquake, submarine explosion and landslides. These waves can travel more than the speed of 500km per hr. The waves reach the height of 15meter which causes major disaster in coastal areas. On December 4, 2008, India has been faced a major disaster due to the tsunami. This was caused in the Indian Ocean due submerge of Australian plate and Eurasian Plate. The earthquake undersea measured at 9 Richter scale.