Major quake hits off the coast of Alaska, triggers tsunami warnings but no large waves

A map showing a red dot on the peninsula of ALaska
Screenshot from Alaska Earthquake Center map

A major earthquake struck near the Alaska Peninsula at 10:15 p.m. Wednesday, triggering tsunami warnings for much of the Gulf of Alaska coastline, but no large waves.

The magnitude-8.2 quake hit roughly 60 miles offshore of the tiny community of Perryville, reported the U.S. Geological Survey.

“This is the largest earthquake to happen in the Alaska region since 1965,” said Michael West, state seismologist with the Alaska Earthquake Center. 

RELATED: Why a major Alaska earthquake triggered warnings but no major damage

There were no immediate reports of major injuries or damage, but officials said that could change as people get a better look over the next few days.

After the initial tsunami warnings late Wednesday, the National Tsunami Warning Center in Palmer said at midnight that the waves caused by the quake were likely to be smaller than a foot.

“The good news is this does not look like a really significant event,” said Dave Snider, a tsunami warning coordinator with the National Oceanic and Atmospheric Administration. But, he cautioned, there still could be danger in bays and harbors.

The tsunami warnings had covered hundreds of miles of Alaska coastline, from Prince William Sound to nearly the end of the Aleutian Islands.

The alerts prompted Alaskans from Unalaska to Kodiak to Seward to evacuate Wednesday night as sirens wailed.

While some Anchorage residents also received tsunami alerts on their cellphones, the Anchorage Office of Emergency Management reported that there’s “no known current concerns” for the municipality.

The tsunami warnings were canceled early Thursday when the biggest wave — just over a half foot — was recorded in Old Harbor. 

The earthquake was felt widely across Alaska, and led to prolonged shaking and minor damage in some communities.

In Chignik, commercial fisherman Gene Carlson said the earthquake sent drawers sliding out of cabinets. Outside, his car looked like it was jumping.

“There was a lot of landslides here, too. You could see just clouds of — it was just dust everywhere,” he said. “Then we started gathering ourselves together ’cause with one like that, you never know if you’re going to get a tidal wave. So people were running all over, trying to get in cars and get up on the hill.”

John Clutter was in the Chignik Bay harbor on his fishing boat when he felt the boat start to shake.

“The boat bounced up and down and shook like a concrete vibrator for about a minute,” he said.

To the southwest, in Perryville, Gerald Kosbruk said he could hear the rumble.

“A tremendous amount of shaking. It was massive,” said Kosbruk, the president of the Native Village of Perryville.

Perryville has about 100 residents. Kosbruk said they headed for higher ground. He drove to a tsunami shelter on a nearby hill.

He said any injuries from the quake were minor. Some people had scrapes and bruises.

On Thursday morning, he checked his mother’s house and found it was among the structures in the village that had shifted.

The Alaska Earthquake Center reported 14 aftershocks of magnitude 4 or larger in the first two hours after the quake. The largest was a magnitude 5.9, eight minutes after the magnitude 8.2.

Jeremy Zidek, a spokesman for the Alaska Division of Homeland Security and Emergency Management, said its key to remember a quake of Wednesday’s magnitude is serious.

“It’s a massive earthquake,” he said. “While we didn’t see a significant tsunami wave generated by this earthquake, an 8.2-magnitude certainly has the potential to produce a devastating one, and we don’t want people to become complacent.”

He added: “If local officials issue a tsunami evacuation, heed those warnings.”

The Associated Press and KDLG’s Izzy Ross contributed reporting.

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