A very strong earthquake hit the coast of Alaska.
According to preliminary data from the United States Geological Survey (USGS), an 8.2 magnitude earthquake struck 91 km east-southeast of Perryville, Alaska.
As a result, there have been at least two strong aftershocks, one of preliminary magnitude 6.2 and the other of magnitude 5.6, the USGS reports.
The National Weather Service (NWS) issued a tsunami watch for parts of Alaska.
The tsunami warning is in effect for:
SOUTHERN ALASKA AND THE ALASKAN PENINSULA, Pacific coasts from Hinchinbrook Entrance, Alaska to Unimak Pass, Alaska.
ALEUTIAN ISLANDS, Unimak Pass, Alaska to Samalga Pass, Alaska (30 miles SW of Nikolski)