Question

why do people living in earthquake regions prepare emergency?

Answer 1

people be alert Everytime in earthquake region because No one knows when it comes
or
earthquake don't call people before it come ,so people prepare alerts

Answer 2

 Earthquake is a natural disaster and you cannot predict earthquake.

In this regard, Geological Survey of India pointed out some places that are earthquake prone and people lived in these area are used to prepare for the emergency situations.

You can find some sub-floors or basements in all buildings of earthquake prone areas because the underground level can save people from earthquake in the hilly regions.