#Repost @dirty5411 ・・・ Very early this morning an earthquake off the coast of Alaska was measured at 7.9 on the moment magnitude scale. Tsunami watches and warnings were issued, prompting evacuations to higher ground. They have all been lifted now. #noaa #scienceonasphere #earthquake #tsunami #seekhigherground #platetectonics #subductionzone #wereback (at Alaska)














