Fortunately, this quake did not result in a large tsunami. Evacuations took place, and there was a 7" wave at Amchitka Island, but no damage reported. (7" may sound like joke, but a tsunami is not a normal wave, and even a small one can break coastal structures.)
The next 24-hours are the big concern. Every 24 hours that passes after a major earthquake heavily reduces the chance that an aftershock will actually be the bigger quake that you were expecting. So seismologists will be biting their nails overnight.