Trapped inside the shoreline of a bay, the resonant interactions of a tsunami with regular waves can prolong the tsunami disturbance. For the 2021 magnitude 7 Acapulco, Mexico earthquake and tsunami, edge waves in the bay and the short continental shelf also had a surprisingly significant effect on the tsunami’s duration, according to a new study.
Click here for original story, Edge waves, continental shelf fueled the 2021 Acapulco Bay tsunami
Source: ScienceDaily