Tweet   The sheer power of the tsunami mirrored by the horror on the peoples faces who witness this wave of destruction sweeping in from the sea. It must have been absolutely terrifying.   Residents of the port town of Kamaishi in Iwate prefecture watched in horror as the first huge tsunami waves hit, sweeping away cars and buildings. One group managed to scramble to safety on higher ground, where they More..watched as the water surged towards them. Others were stranded on the roof of a multi-storey building as the water level rose rapidly below. Note the man on the roof of a building with the sea swirling round it at 0:41.