R-Crisis 20.3.0

R-CRISIS is the newest version of CRISIS, a worldwide and well-known solution for performing Probabilistic Seismic Hazard Analyses (PSHA). The program is the result of more than 30 years of continuous innovations, developments and improvements, providing the most comprehensive, yet easy to use, software suitable for academic and commercial uses.

CRISIS software is one of the globally recognized applications for conducting Probabilistic Earthquake Hazard Analysis (PSHA).

This software calculates the earthquake risk using a probabilistic model that takes into account the .occurrence rate and geographical distribution of earthquakes
The program is the result of more than 30 years of continuous innovation, development and improvement, and offers comprehensive yet easy-to-use software
The first version of CRISIS was published in 1986 by Professor Mario Ordaz, who is the main programmer of the software. The first version of CRISIS was a command-line application developed in Fortran.

Later versions were developed in Visual Basic and included a graphical user interface.

Then in 2017 Professor Ordaz decided to continue .the development and support of CRISIS through his company ERN and renamed it R-CRISIS