TOKYO (AP) — One of the world's strongest earthquakes struck Russia's Far East early Wednesday, an 8.8-magnitude temblor that caused small tsunami waves in Japan and Alaska and prompted warnings for Hawaii, North and Central America and Pacific islands south toward New Zealand.
People were advised to move to higher ground in multiple locations, but places where tsunami waves have already washed ashore have reported no significant damage so far.
Waves less than a foot (under 30 centimeters) above tide levels were observed in the Alaskan communities of Amchitka and Adak, said Dave Snider, tsunami warning coordinator with the National Tsunami Warning Center in Alaska.
A tsunami of 50 centimeters (1.6 feet) was detected at the Ishinomaki port in northern Japan, according to the Japan Meteorological Agency. That was the highest measurement so far among several locations around northern Japan.
The Russian areas nearest the quake’s epicenter on the Kamchatka Peninsula reported damage from the earthquake and evacuations from the tsunami, but no serious injuries.
Cars jammed streets and highways in Honolulu as the tsunami alerts coincided with the Tuesday afternoon rush-hour. Warning sirens blared as people moved to higher ground. Hawaii schools canceled after-school and evening activities.
Hawaii and Oregon warn residents of potential damage
The impact of the tsunami could last for hours – such as in Adak, a community of about 70 people in Alaska's Aleutian Islands -- or perhaps more than a day, Snider said.
“A tsunami is not just one wave,” he said. “It’s a series of powerful waves over a long period of time. Tsunamis cross the ocean at hundreds of miles an hour -- as fast as a jet airplane -- in deep water. But when they get close to the shore, they slow down and start to pile up. And that’s where that inundation problem becomes a little bit more possible there.”
“In this case, because of the Earth basically sending out these huge ripples of water across the ocean, they’re going to be moving back and forth for quite a while,” which is why some communities may feel effects longer, he said.
The Pacific Tsunami Warning Center in Honolulu said the tsunami generated by the quake could cause damage along the coastlines of all the Hawaiian islands.
“Urgent action should be taken to protect lives and property,” the warning stated. The first waves were expected around 7 p.m. Tuesday local time.
The Oregon Department of Emergency Management said on Facebook that small tsunami waves were expected along the coast starting around 11:40 p.m. local time, with wave heights between 1 to 2 feet (30 to 60 centimeters). It urged people to stay away from beaches, harbors and marinas and to remain in a safe location away from the coast until the advisory is lifted.
“This is not a major tsunami, but dangerous currents and strong waves may pose a risk to those near the water,” the department said.
Much of the West Coast spanning Canada's British Columbia province, Washington state and California were also under a tsunami advisory.
A tsunami of less than 30 centimeters (under 1 foot) was forecast to hit parts of Vancouver Island, British Columbia. The province’s emergency preparedness agency said waves were expected to reach remote Langara Island around 10:05 p.m. Tuesday and Tofino around 11:30 p.m. The agency said “multiple waves over time” were expected.
Russian regions report quake damage
The quake at 8:25 a.m. Japan time had a preliminary magnitude of 8.0, Japan and U.S. seismologists said. The U.S. Geological Survey later updated its measurement to 8.8 magnitude and the USGS said the quake occurred at a depth of 20.7 kilometers (13 miles).
The quake was centered about 119 kilometers (74 miles) east-southeast from the Russian city of Petropavlovsk-Kamchatsky, which has a population of 180,000, on the Kamchatka Peninsula. Multiple aftershocks as strong as 6.9 magnitude were recorded.
The first tsunami wave hit the coastal area of Severo-Kurilsk, the main settlement on Russia’s Kuril Islands in the Pacific, according to the local governor Valery Limarenko. He said residents were safe and staying on high ground until the threat of a repeat wave was gone.
The quake caused damage to buildings and cars swayed in the streets in Petropavlovsk-Kamchatsky, which also had power outages and mobile phone service failures. Russian news agencies quoting the regional Health Ministry saying several people sought medical help in Kamchatka after the earthquake, but no serious injuries were reported.
Among the world's strongest recorded quakes
The earthquake appeared to be the strongest anywhere in the world since the March 2011 earthquake off northeast Japan that was 9.0 magnitude and caused a massive tsunami that set off meltdowns at a nuclear power plant. Only a few stronger earthquakes have ever been measured around the world.
The tsunami alert disrupted transportation in Japan. Ferries connecting Hokkaido and Aomori on the northern tip of Japan’s Honshu island were suspended, as well as those connecting Tokyo and nearby islands, and some local train operations were suspended or delayed, according to operators. Sendai airport temporarily closed its runway.
Japan’s Fire and Disaster Management Agency said so far no injuries or damages have been reported. The agency, in response to the tsunami alert, issued an evacuation advisory to more than 900,000 residents in 133 municipalities along Japan’s Pacific coast, from Hokkaido to Okinawa.
Japanese nuclear power plants reported no abnormalities. Tokyo Electric Power Company Holdings, which operates the tsunami-hit Fukushima Daiichi nuclear power plant, said about 4,000 workers are taking shelter on higher ground at the plant complex while monitoring remotely to ensure plant safety.
Philippine authorities warned provinces and towns along the eastern coast facing the Pacific of possible tsunami waves of less than 1 meter (3 feet) and advised people to stay away from the beach and coastal areas. “It may not be the largest of waves, but these can continue for hours and expose people swimming in the waters to danger,” Teresito Bacolcol of the Philippine Institute of Volcanology and Seismology told The Associated Press.
Mexico’s navy warned that tsunami waves will start reaching the northern coast in Ensenada, near California, at around 02:22 a.m. Wednesday local time, and waves could progress along the Pacific coast to Chiapas state, around 07:15 a.m. local time. The navy recommended people stay away from beaches until it suspended the alert.
New Zealand authorities issued warnings of “strong and unusual currents and unpredictable surges” along coastlines throughout the country. The government emergency management agency said people should move out of the water, off beaches and shore areas, and away from harbors, marinas, rivers and estuaries.
New Zealand is in the South Pacific and about 6,000 miles (9,600 kilometers) from the epicenter.
The quake was the strongest to hit this area in the Kamchatka Peninsula since 1952, according to the local branch of the Geophysical Survey of the Russian Academy of Sciences.
They said that while the situation “was under control” there are risks of aftershocks, which could last for up to a month and warned against visiting certain coastal areas.
Earlier in July, five powerful quakes — the largest with a magnitude of 7.4 — struck in the sea near Kamchatka. The largest quake was at a depth of 20 kilometers and was 144 kilometers (89 miles) east of the city of Petropavlovsk-Kamchatsky.
On Nov. 4, 1952, a magnitude 9.0 quake in Kamchatka caused damage but no reported deaths despite setting off 9.1-meter (30-foot) waves in Hawaii.
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This story has corrected the wave height forecast in Oregon to between 1 and 2 feet, not 1 and 3 feet.
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