Here the land is sinking as the continent adjusts to the removal of massive ice sheets, but it appears the sea is rising. (drtimball.com)
One major influence is the slow rebound of crust that was weighed down by massive ice sheets during the last ice age that have since melted away. (sciencemag.org)
This is where land which was formerly pressed down by massive ice sheets, rebounds now that the ice sheets are gone. (skepticalscience.com)