2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124754We consider a mechanism of generation of huge waves by multi-soliton resonant interactions. A non-stationary wave amplification phenomenon is found in some exact solutions of the Kadomtsev-Petviashvili (KP) equation. The mechanism proposed here explains the character of extreme waves and of those in Tsunami.16 pages, arxiv version does not include figures. The complete versions including figures are available in http://www.math.utpa.edu/kmaruno/freakpaper.ps http://www.math.utpa.edu/kmaruno/freakpaper.pdfPattern Formation and SolitonsFluid Dynamicstext