By Frank Ling Washington 03 August 2006 Scientists expect more deadly earthquakes and tsunamis in the Indian Ocean. Countries in the region are making progress towards a regional warning and alert center. Wolf says that relaying the warning from central governments to their people remains a major challenge. “The technical side is quite easy to install because this is just technology we know,” he explained. “Once the warning shows up in the national warning system in a country, the difficult part is for a country to set up an internal civil defense system to get the warnings to the endangered areas and to the last mile.