Dr Philippe Blondel on the Indonesian tsunami

The video tutorial discusses the US Surgical survey's use of recent earthquake data, focusing on a significant earthquake in Indonesia. It highlights the seismic activity in the region, particularly in the northern parts of Indonesia. The tutorial explains the movements of the Earth's crust and the resulting tsunami wave, which traveled across the ocean and intensified as it approached the coast. The video also includes a visual representation of the earthquake's impact, showing the ground movements associated with the event.

How did the waves get bigger as they approached the coast?

What are the movements associated with the earthquake as mentioned in the text?