A tsunami is a series of ocean waves that are caused by an underwater earthquake, landslide, or volcanic eruption. On December 26, 2004, a tsunami hit the coast of Indonesia, killing more than 220,000 people.
The tsunami was caused by an underwater earthquake that occurred on December 26, 2004. The quake was magnitude 9.1, and it occurred about 150 miles off the coast of Sumatra. The quake triggered a series of devastating tsunamis that hit the coasts of Indonesia, …