Hazardous tsunami waves are possible for coasts located within 300km of the earthquake epicentre, a warning says - the warning is in effect for South Alaska and the Alaska PeninsulaVideo UnavailableA tsunami warning has been issued after an enormous 7.8 magnitude earthquake struck Alaska this morning. The earthquake, which was at a depth of six miles, will be the strongest worldwide if not downgraded. Terrifying noises were captured in dramatic video footages shot by residents living in Kodiak, Alaska. Residents in the area were urged to get to "higher ground" and to move away from beaches...…Hazardous tsunami waves are possible for coasts located within 300km of the earthquake epicentre, a warning says - the warning is in effect for South Alaska and the Alaska PeninsulaVideo UnavailableA tsunami warning has been issued after an enormous 7.8 magnitude earthquake struck Alaska this morning. The earthquake, which was at a depth of six miles, will be the strongest worldwide if not downgraded. Terrifying noises were captured in dramatic video footages shot by residents living in Kodiak, Alaska. Residents in the area were urged to get to "higher ground" and to move away from beaches...WW…