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© 2002-2015 Board of Trustees of University of Illinois at Urbana-Champaign and Youssef Hashash

Welcome to DEEPSOIL

DEEPSOIL is a unified 1D equivalent linear and nonlinear site response analysis platform. Main features include:
To download DEEPSOIL, please register online.  If you have already registered, login here.

We welcome your feedback. If you are interested in contributing to DEEPSOIL development, please contact Professor Youssef Hashash at


November 2, 2015 - DEEPSOIL v6.1 Released

DEEPSOIL v6.1 is now available for download. This build includes the GQ/H nonlinear soil model and is recommended for all users. Please login here and download the updated installer. Updates in this release include:
Previous announcements are available in the DEEPSOIL news archive.


DEEPSOIL is under development at the University of Illinois at Urbana-Champaign.

Dr. Youssef M. A. Hashash
Professor of Civil and Environmental Engineering

Michael Musgrove
Graduate Research Assistant

Joseph Harmon
Graduate Research Assistant