Our website provides a free download of Seisan 13.5.2. Seisan is compatible with Windows XP/XP Professional/Vista/7/8/10/11 environment, 32-bit version. This program is a product of University of Bergen. Seisan lies within Education Tools, more precisely Science Tools. The most popular versions among Seisan users are 11.0, 10.3 and 10.2. The program's installer files are commonly found as cmd.exe, se.exe or seisan.exe etc.
From the developer:
The SEISAN seismic analysis system that helps you analyze earthquakes. With SEISAN it is possible using local and global earthquakes to enter phase readings manually or pick them with a cursor, locate events, edit events, determine spectral parameters, seismic moment, azimuth of arrival from 3-component stations and plot epicenters.
You may want to check out more software, such as SRIM, Equation Wizard or StatPlus, which might be similar to Seisan.