Last October 30th and 31st, the INGV conference room in via di Vigna Murata (Rome) hosted the meeting for the closing of the third year of the UNO Project. The program of the meeting contemplated around 30 talks, equally spread over the 4 WPs of the Project. The participation of those involved, both in person and remotely, was strong and very lively, a clear sign that the project has effectively stimulated discussion and scientific growth of all the staff involved, both internal and external to the Institute. On the evening of Monday 30th the participants met at “la Fraschetta di Mastro Giorgio” for a pleasant convivial evening. Congratulations to the organizers and all the participants for the successful meeting!