While the ITRF2008 marked considerable progress compared to previous versions of the
ITRF, some weaknesses have been identified in the individual technique solutions that were
used as well as in their co-locations. New stations have been installed since then, but also
large earthquakes have deformed large areas over continental regions. Because of these
issues an ITRF2013 becomes necessary that will now benefit from the expected
improvement of the reprocessing efforts being undertaken by the Technique Centers (IVS,
ILRS, IGS, IDS).