https://en.wikipedia.org/wiki/Storegga_Slide
Not in historical times, but they’re more common on the West coast.
Mar 11, 2011 - Click to read historic 1964 coverage Above is video of Crescent City, Ca., after it was hit hard by a tsunami after an 8.8 earthquake in Alaska.
Tsunami: 1964 video of deadly tidal wave washing into Crescent City ...
https://www.youtube.com/watch?v=Y3AFnbkLmiI