The submarine slides occurred underwater at the edge of the Norwegian continental shelf in the Norwegian Sea. Just our cup of tea. It also struck Galway, Ireland, and caused heavy damage to the Spanish Arch section of the city wall. Between 1905 and 1950, rockslides from the mountain Ramnefjell plunged into the calm water at the southern end of the lake several times, creating enormous waves that caused great loss of life and damage to surrounding areas. [CDATA[// >