Because of strong tremors of earthquakes, tiles of walls and windowpanes can be damaged or fall down and concrete-block walls can collapse.
To avoid these collapsing, if you are outside, leave from concrete-block walls and buildings as much as you can.
Low earthquake-proof buildings can collapse. Even high earthquake-proof buildings have probability that its columns and walls are damaged.
If you are neighborhood of them, collapsed walls and broken grasses can drip vigorously. So when you take refuge, defend your head with using something you have had with you like bag maximally.
In addition, earthquake can damage to gas ducts, drainages of the water service and transmission of electricity, and then, gas and water services can be stopped and a blackout can occur.
You had better to store water, flashlights and solid fuel like candles.