What is Annual Encounter Probability (AEP)?

The likelihood of a hazard occurring in any year, expressed as a percentage. For example, a hazard with a 1% chance of occurring in a given year has an AEP of 0.01. This AEP is also commonly expressed as a 1 in 100 year chance of occurring.

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.