Early warning regarding tsunamis depends on skilled interpretation of earthquake data from seismic monitors like the one at Pallekale and data from ocean based buoys that detect fast moving bodies of water. The ocean between Sri Lanka and Thailand now has one. It is up to us to make sure that the warning that get communicated from international and regional warning centers will be communciated to the affected communities promptly and that those communities will be prepared to respond properly. NOAA Provides First Tsunami Detection Buoy for the Indian Ocean: Financial News – Yahoo! Finance Following a ceremony in Phuket, Thailand, where the 2004 Boxing Day event caused the most extensive tsunami damage in Thailand, the MV SEAFDEC set sail today to deploy the buoy about mid-way between Thailand and Sri Lanka.