AnnaS: I heard the same report, and it was also mentioned that another theory about the sinking nation was that the volcanic rock is compacting and also contributing to the submerging.

For the record, our elementary school chorus, The Globemasters, sang all the island nations of Oceania along with their capital cities. Funafuti, Tuvalu, oozes with potential for tsuwm, don't you think? The Most Diffusing Word Oozer (currently a boozer word oozer), tsuwm, of Funafuti, Tuvalu...