Modification of definitions

Section 4 of the Earthquake Hazards Reduction Act of 1977 (42 U.S.C. 7703) is amended— (1) in paragraph (3), by inserting, including secondary effects such as earthquake-caused tsunamis; tsunamis after earthquakes; and (2) by adding at the end the following: (11) The term Tribal government has the meaning given the term tribal government in section 421 of the Congressional Budget Act of 1974 (2 U.S.C. 658). (12) The term functional recovery means a post-earthquake performance state in which a building or lifeline infrastructure system is maintained, or restored, to safely and adequately support the basic intended functions associated with the pre-earthquake use or occupancy of a building, or the pre-earthquake service level of a lifeline infrastructure system. (13) The term earthquake forecast means a statement of probabilities that 1 or more earthquakes within a clearly specified magnitude range may occur within a specified time interval and geographic region..