exceedance

nouns

(geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time
"the concept of exceedance can be applied to any type of environmental risk modeling"
is derived from
domain category
a science that deals with the history of the earth as recorded in rocks
is a type of (narrower)
a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
"the probability that an unbiased coin will fall with the head up is 0.5"