It has been a practice at LIRNEasia to write an assessment of the responses to potentially tsunamigenic events in the region. We commented on Nias and Pangandaran. Now that the discussion on the response is starting, here is our take: Lessons from the Sri Lanka tsunami warnings and evacuation of September 12-13, 2007 The tragedy of the 2004 Indian Ocean tsunami was the absence of any official warning. The September 12th Bengkulu earthquake shows that this is unlikely to be the case in the future. We have seen that the new institutions created since the 2004 tsunami have the will and the capacity to act.