wnol.info February 19 2018


United States of America: 7.9 Magnitude Earthquake Shook Gulf of Alaska

February 19 2018, 07:59 | Irvin Gilbert

A tsunami warning has been issued for the whole of the Pacific ocean following the powerful quake

US coast rocked by huge magnitude 8.2 earthquake lasting over a minute

About three hours later, the center canceled the warning and watch, saying that buoys and tide gauges along Alaska and British Columbia coastal towns were showing only about eight inches of sea level rise.

On January 23rd, a 7.9-magnitude natural disaster struck off the coast of Kodiak Island in Alaska, triggering a tsunami warning that was later canceled. The state has recorded 11 tremors with a magnitude of 7 or greater within 373 miles (600 km) of Tuesday's quake over the past century, according to Zachary Reeves, a USGS seismologist in Golden, Colorado.

People who received an alert about a possible tsunami were asked to move away from low-lying areas as a precaution so that they wouldn't be caught off guard if a wave occurred.

In 1964, 12 people were killed when a tsunami struck the coast of California after a magnitude 9.2 quake hit Alaska, according to the Department of Conservation.

In the meantime, protocol tied to the initial magnitude and its location relatively near the coast required a "local" tsunami warning, encompassing the vast span from Attu Island in the westernmost Aleutian Islands to the border between British Columbia and Washington state.

While tsunamis primarily pose a risk along San Luis Obispo County's coastal communities, those wouldn't be the only places potentially affected, SLO County Emergency Services Manager Ron Alsop said.

Meanwhile, a tsunami watch was prompted for the U.S. West Coast. "Go to high ground or move inland".

"Although the tsunami warning was eventually suspended, this event demonstrates that coast warning systems do work", B.C. Public Safety Minister Mike Farnworth said in a statement. Tsunami danger on the coast.

"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.

Scientists quickly determined that Tuesday's quake did not generate a tsunami and called off the alerts. "That was the strongest, longest-lasting one I've ever felt", he said by telephone.

Aside from the night owls, most Californians awoke Tuesday morning to the surprising discovery that the state's coastline had been under a tsunami watch after a 7.9-magnitude natural disaster hit the Gulf of Alaska around 1:32 a.m.

Varnadao says the agency canceled the alert after waves failed to show up in coastal Alaska communities.

March 11, 2011: Although not almost as destructive as the 1964 tsunami, a magnitude-9.0 quake in the Tohoku region of Japan led strong tsunami currents that damaged harbors along California's coast.

An 8.2-magnitude natural disaster hit the Mexican state of Chiapas on September 7th, 2017.

Seaside, about 60 miles (100 kilometers) northwest of Portland, is considered the most vulnerable OR coastal town because so many people live in the inundation zone, far from high ground. "Even in Kodak itself they weren't reporting immediate damage", Cockle said.

However, officials were telling people to hold fast at evacuation centers until further notice. He said he saw some people carrying suitcases or backpacks.

"I figured I'd probably just better play it safe".

According to Kodiak police, officials had reported water receding from the harbour.



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