As used in this chapter:

1. (a) “Disaster” means a devastating earthquake or other conditions specified in subdivisions (b) and (c) of Section 8558.
2. (b) “Recovery” means the overall short-term and long-term restoration of social, economic, and institutional activity to levels comparable to those which existed prior to the disaster.
3. (c) “Reconstruction” means the renovation, replacement, or rebuilding of damaged or destroyed facilities which will enable this recovery to occur.