# OpenQuake for Advanced UsersΒΆ

Contents:

- Introduction
- Common mistakes: bad configuration parameters
- The concept of effective realizations
- Tips for running large hazard calculations
- Tips for running large risk calculations
- Extra tips specific to event based calculations
- Extracting data from calculations
- Parametric GMPEs
- How the parallelization works in the engine
- Equivalent Epicenter Distance Approximation