An earthquake disaster is just that, an earthquake disaster. These are no good.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well. The reading for 災 is the さい reading because *sigh* earthquakes suck man.
Because of the earthquake disaster, there are a lot of potholes on the ground now.
I still can't forget the trauma I experienced from the day of the earthquake disaster.
When I go to Japan, I want to see the single pine tree that withstood the giant tsunami caused by the Great Tōhoku Earthquake in 2011.