It is possible that no catastrophe has mobilized the global ocean science and coastal emergency management communities more than the 2004 Indian Ocean tsunami. Though the Pacific tsunami threat was recognized. and a warning system had been in place since 1965. there was no warning system in the Indian Ocean. https://www.nacrack.com/great-deal-Sudadera-ch-ndal-roja-23-24-nino-quick-deal/