There are two additional Union Symposia (US) that have been added to the EGU General Assembly 2011 Programme.
Union Symposia 4 (US4) The 22 February 2011 Christchurch Earthquake will be in Room D, on Thursday 7 April from 08:30–10:15.
Union Symposia (US5) The 11 March 2011 Tohoku (Sendai) Earthquake and Tsunami will be in Room D, on Friday 8 April from 08:30–10:00.
For both sessions further details will be available soon.