What a relief!
I'd have to do some looking into that. Mauna Kea is the tallest mountain from its base underwater. Pikes Peak has the greatest relief in Colorado, but it the base is already 000 feet. I'm thinking either some of the coastal mountains in Alaska or something in the Andes?
https://en.wikipedia.org/wiki/Topographic_prominence#Wet_prominence_and_dry_prominence
https://en.wikipedia.org/wiki/Topographic_prominence#Wet_prominence_and_dry_prominence
Also:
http://www.cohp.org/prominence/theory.html
