[IllumiNaughtyByNature]

I think that someone could make a layered map of how far inland a wave of x feet would go and draw a line, then an xx feet wave line, etc. The different geographical differences would need to be taken into consideration.

[Cold Heart]

Oregon has such maps. You can look them up and print them off. I forgot the website but dogpile (not using google it on advice from my political council(FR) Oregon dept. of geology tsunami etc.