A major earthquake struck 170 miles off Alaska early Tuesday, prompting a tsunami warning along the coastline that urged people in affected areas to head to higher ground.
The magnitude 7.9 quake was reported at 12:31 a.m. local time in the Gulf of Alaska, according to the United States Geological Survey.
Tsunami sirens going off in Kodiak right now
— Emily Russell (@EmilyRussellAK) January 23, 2018
There were no immediate reports of damage.