Alaskan authorities issued a Tsunami warning after a powerful back-back 7.0 and 5.7 magnitude earthquake rocked the city on early Friday, was later cancelled, sources said.
“Residents headed to higher ground because of the tsunami warning, which was cancelled at 10 a.m. local time, about an hour and a half after the quake hit,” said the official.
No immediate report of damages or injuries were reported.
"No damage to generation infrastructure. Crews are assessing substation and other distribution infrastructure issues," ML&P tweeted.
The US Geological Survey said the first and more powerful temblor – measuring a 7.0 magnitude — was centered about 7 miles north of Anchorage, the state’s largest city, with a population of about 300,000. The 5.7 aftershocks arrived after minutes and followed by a series of smaller quakes.
The Tsunami alert was also issued for Cook Inlet, which links Anchorage with the Gulf of Alaska, however, the warning was cancelled later, it said.
Anchorage suffered major infrastructure damage with buckling roads, homes and buildings collapsed and power outages, police said.
“You have been hit hard by a ‘big one.’ Please follow the directions of the highly trained professionals who are there to help you. Your Federal Government will spare no expense. God Bless you ALL!.” President Donald Trump tweeted.
To the Great people of Alaska. You have been hit hard by a “big one.” Please follow the directions of the highly trained professionals who are there to help you. Your Federal Government will spare no expense. God Bless you ALL!— Donald J. Trump (@realDonaldTrump) November 30, 2018
Former Alaska governor and vice-presidential candidate Sarah Palin tweeted, saying "for Alaska. Our family is intact - house is not...".
ðŸ™ðŸ¼ for Alaska. Our family is intact - house is not... I imagine that’s the case for many, many others. So thankful to be safe; praying for our state following the earthquake.— Sarah Palin (@SarahPalinUSA) November 30, 2018
Alaskans may experience aftershock for years, a seismologist to reporters.
According to reports, southern Alaska experienced the second largest earthquake ever recorded in 1964, which had a magnitude of 9.2.