7.1 EarthQuake/AlaskaPacific Tsunami Warning Center image.The Pacific Tsunami Warning Center says there was no tsunami threat to Hawaii following a 6.8 magnitude earthquake that occurred in Southern Alaska.According to PTWC, the earthquake occurred Sunday at 12:30 a.m. Hawaii time.The earthquake was initially listed as a 7.1 magnitude, but was later downgraded by the United States Geological Survey.USGS officials say the...