Probability of Exceedance

Probability that a variable (or that an event) exceeds a specified reference level given exposure time.

EXAMPLE Examples of probabilities of exceedance during a given exposure time are the annual probability of exceedance of a specified magnitude of ground acceleration, ground velocity, or ground displacement.

Source:API RP 2EQ, Seismic Design Procedures and Criteria for Offshore Structures, First Edition, November 2014. Global Standards

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