The coast of Alaska has experienced a 7.5-magnitude earthquake, followed by two aftershocks of 4.7 and 4.5 respectively and a tsunami warning (which has since been canceled). (Video update).
Initially registered as a 7.7-magnitude earthquake, the US Geological Survey (USGS) has now downgraded to a 7.5-magnitude.
The temblor occurred at a depth of 6 miles (9.6 kilometers) at 8:58am GMT, and was followed by two aftershocks measuring 4.7 and 4.5, respectively.
According to the USGS, the location was 63 miles (100 kilometers) west of Craig, a town on Prince of Wales Island, and approximately 208 miles (335 kilometers) south of the capital of Juneau.
According to most reports, the Pacific Tsunami Warning Center says there is currently no widespread danger of a tsunami. However, a warning is in effect for portions of British Columbia, Canada, and southern Alaska.
So far, no casualties or damages have been reported.
Update:Reports are in that the tsunami warning has been canceled. According to the West Coast and Alaska Tsunami Warning Center, a small tsunami of about six inches was observed near the southeastern Alaskan town of Port Alexander on Baranof Island.
A CCTV video showing a store in Juneau, Alaska has been added above. There were no injuries to anyone in the store.