2004 Indian Ocean earthquake and tsunami and a network of sensors is needed to detect it. Setting up the communications infrastructure to issue timely warnings is an even bigger problem, particularly in a relatively impoverished part of the world. Tsunamis are more frequent in the Pacific Ocean than in other oceans because of earthquakes in the "Ring of Fire". Although the extreme western edge of the Ring of Fire extends into the Indian Ocean (the point where the earthquake struck), no warning system exists in that ocean. Tsunamis there are relatively rare despite earthquakes being relatively frequent in Indonesia. The last major tsunami was caused by
Ring of Fire (Northern Ontario) forces the two companies to negotiate an impact benefit agreement with the nine First Nations that would "include certain assurances, including guarantees that a certain number of jobs will go to First Nations workers". The three First Nations most profoundly impacted by the two projects are Marten Falls First Nation, Webequie First Nation and Neskantaga First Nation. Others on the edge of the Ring of Fire include Constance Lake First Nation (Chief Roger Wesley), Nibinamik First Nation, Aroland First Nation, Long Lake 58 First Nation, Ginoogaming First Nation, Eabametoong First Nation, Mishkeegogamang First Nation, and Constance Lake First Nation. In