A 7.9 magnitude earthquake struck off Alaska’s Kodiak Island early Tuesday, prompting a tsunami warning for a large swath of the State’s coast and sending some residents fleeing to higher ground.
Officials at the National Tsunami Center cancelled the warning after a few tense hours after waves failed to show up in coastal Alaska communities.
Alaska’s Division of Homeland Security and Emergency Management said there have been no reports of damage, so far. The strong earthquake hit at 12:30 a.m. (local time) and was recorded about 170 miles southeast of Kodiak Island in the Gulf of Alaska. Kodiak Island is located about 200 miles southwest of Anchorage, Alaska’s largest city, which was not under a tsunami threat.
Reports varied about how long the shaking lasted. In the popular cruise ship town of Seward, about 230 miles northeast of Kodiak Island, fire chief Eddie Athey said the quake felt like a gentle rattle and lasted for up to 90 seconds.
“It went on long enough that you start thinking to yourself, ‘Boy, I hope this stops soon because it’s just getting worse,’” Athey said. Initially, the USGS said the earthquake was a magnitude 8.2. That prompted the tsunami warning for coastal Alaska and Canada’s British Columbia, while the remainder of the US West Coast was under a watch. An advisory remained in effect for a small part of the state. Watches were canceled for Washington, Oregon, California and Hawaii. Officials in Japan also said there was no tsunami threat there.
Warnings from the National Weather Service sent to cellphones in Alaska warned: “Emergency Alert. Tsunami danger on the coast. Go to high ground or move inland.”
Kodiak officials warned residents to evacuate if they lived in low-lying areas. Residents scrambled to safety, and some sought refuge in schools that were transformed into shelters. The city of Kodiak was projected to see the first wave about an hour after the quake, but 90 minutes after the quake, there was no report of any waves.