Upon closer inspection of the data, and as pointed out by Mr. Silva, the vertices of the pyramid are perfectly aligned with true north, like the Great Pyramid of Giza in Egypt.
The recent finding in Portuguese waters has not yet been confirmed official authorities, but further investigation by the navy and researchers may reveal details that challenge what is considered fact in today's geography and history textbooks.
Portuguese newspapers:
Diário de Notícias
Sol
Check out the local newscast below for the interview with Diocleciano Silva.