What are three measures that have been taken since the christman day tsunami?

"There have been several steps taken since the Christmas Day Tsunami in 2004 to help in case of a future disaster.

Three of the steps are new warning systems & risk assessment, education & public awareness, and mitigation & building codes to ensure the buildings could handle another big wave.

The Tsunami killed tens of thousands of people. It was a horrific natural disaster."

Italian workers migrated to northern provinces