In energy contingency: the strength of an earthquake as perceived and felt by people in a certain locality. It is a numerical rating based on the relative effects to people, objectives, environment, and structures in the surrounding. In the Philippines, the intensity of an earthquake is determined using the PHIVOLCS Earthquake Intensity Scale (PEIS) (DOS-PHIVOLCS) [Section 3(r), DOE Department Circular No. DC2023-01-0002, Adoption of the National Energy Contingency Plan for “The Big One”]
