Undervalued ? Have you checked that the devs are hiding and not showing their head ? There is almost nothing new since the start and this is why the coin is heading down to the bottom.
One thing that is really bad are the big superblocks for miners and this is why it is so massively devalued
Educate yourself
http://bitcoinprbuzz.com/an-exclusive-interview-with-the-earthcoin-team/