Tsunamis are fast-moving waves often generated by large underwater earthquakes. in the deep ocean, their amplitude is barely noticeable, but upon reaching shore, not complete marked out ofwhat is the speed of the wave? they can rise up to the astonishing height of a sb-story buiding. one tsunami, generated off the aleutian islands in alaska, had a wavelength of 730 km, and travelled a distance of 3830 km in 6 30 hours (note: this is given in decimal format, not as hours and minutes). 1.00 m/s ,flag question check question 7what is the period of the wave? not complete marked out of 1.00 , flag question check