
Circle of Fires
The circum-Pacific belt of active volcano activity. Small-scale maps showing active volcanoes and epicenters of large earthquakes illustrate a similar distribution.
Concept Plan
An operation plan in concept format. Also called CONPLAN. See also operation plan. (Joint Pub 1-02)
Coping Mechanism
Those means by which societies, unassisted from the outside, meet relief and recovery needs, and adjust to future disaster risk.>/font>
Crimping Operations
The process of placing a detonator onto a time fuze to initiate an explosive device.
Critical Facilities
Those structures critical to the operation of a community and the key installations of the economic sector. Examples are hospitals, roads and railways, air strips, fuel storage depots, food storage facilities, water supply systems, government administrative buildings, central data processing centers, and police stations.



