Tsunami warning: What to do if you are caught in an area threatened by severe coastal waves

Tsunami warning: What to do if you are caught in an area threatened by severe coastal wavesThe US west coast is on high alert for a tsunami after a 7.9-magnitude earthquake struck 160 miles off the coast of Alaska. The shallow depth of the seismic shock’s epicentre, just 6.2 miles below the surface, prompted the US Tsunami Warning System to issue a red warning for Alaska and western Canada. The rest of the US Pacific coast was placed on tsunami watch, indicating the need for vigilance against strong ocean waves but a lower level of immediate concern.



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