A professor who invited the disgraced captain of the capsized Costa Concordia to speak at a criminology seminar has been referred to the ethics committee at Rome's La Sapienza University, the university said on Wednesday.

Professor Vincenzo Mastronardi held the seminar last month reconstructing the January 2012 shipwreck in which 32 people died, complete with 3D graphics and comments from the ship's captain Francesco Schettino, the university said.

Schettino is on trial for manslaughter and accused of causing the incident and abandoning the 114,500-tonne luxury liner after it struck rocks and sank off the Italian coast, precipitating a chaotic nighttime evacuation.