Wasn’t there a big tsunami also after the 1964 Alaska earthquake?
The record shows that damaging tsunamis from distant earthquakes reached Hawaii these years: 1837, 1841, 1868, 1869, 1877, 1883, 1906, 1918, 1923, 1933, 1946, 1957, and 1960. Other smaller tsunamis that caused no significant damage in Hawaii were generated by distant earthquakes in 1896, 1901, 1906, 1919, 1922, 1923, two in 1927, 1928, 1929, 1931, 1938, 1944, 1952, and 1964. In a period of 157 years, a damaging or destructive tsunami struck the Hawaiian Islands on the average of once in every twelve years.
http://www.drgeorgepc.com/TsunamiCatalogHawaii.html
Yes. I was in a power plant on one of the islands some years ago, we were about 300 yards from the beach. On one of the units there was a sign marking the "high water line" for a Tsunami that hit (I believe it was the '64). The sign was 12 ft. above the ground.
Curious story they told of the Tsunami: most of the deaths that occurred were not from the incoming wave, but the receding water, as locals had gone out to pick up fish left stranded and were swept out to sea.
Sidebar — there was a landslide-induced tsunami in Alaska, Lituya Bay, in the late 1950s, which had eyewitnesses and even survivors — the debris line from that was over 1700 feet above sealevel.