SENDAI, Japan -- Huge earthquakes rocked northeastern Japan on Saturday, a day after a giant temblor set off a powerful tsunami that killed hundreds of people, turned the coast into a swampy wasteland and left two nuclear reactors dangerously close to meltdown.
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The United States Geological Survey said a strong earthquake struck just before noon in the sea in virtually the same place where the magnitude 8.9 quake on Friday unleashed one of the greatest disasters Japan has witnessed – a 23-foot (7-meter) tsunami that washed far inland over fields and smashed towns.
Saturday's magnitude 6.8 quake was followed by a series of temblors originating from the same area, the USGS said. It was not immediately known whether the new quakes caused any more damage. All were part of the more than 125 aftershocks since Friday's massive quake, the strongest to hit Japan since officials began keeping records in the late 1800s.
It ranked as the fifth-largest earthquake in the world since 1900 and was nearly 8,000 times stronger than one that devastated Christchurch, New Zealand, last month, scientists said.
The official death toll stood at 413, while 784 people were missing and 1,128 injured. In addition, police said between 200 and 300 bodies were found along the coast in Sendai, the biggest city in the area of the quake's epicenter. An untold number of bodies were also believed to be lying in the rubble and debris. Rescue workers had yet to reach the hardest-hit areas.
"The flood came in from behind the store and swept around both sides. Cars were flowing right by," said Wakio Fushima, who owns a convenience store in this northern coastal city of 1.02 million people, 80 miles (125 kilometers) from the quake's epicenter.
Smashed cars and small airplanes were jumbled up against buildings near the local airport, several miles (kilometers) from the shore. Felled trees and wooden debris lay everywhere as rescue workers coasted on boats through murky waters around flooded structures, nosing their way through a sea of detritus.
"The tsunami was unbelievably fast. Smaller cars were being swept around me and all I could do was sit in my truck," said truck driver Koichi Takairin, 34, who was pinned in his four-ton vehicle and later escaped to a community center.
His rig ruined, he joined the steady flow of mud-spattered survivors who walked along the road away from the sea and back into city. Smoke from at least one large fire could be seen in the distance.
But basic commodities were at a premium. Hundreds lined up outside of supermarkets, and gas stations were swamped with cars. The situation was similar in scores of other towns and cities along the 1,300-mile-long (2,100-kilometer-long) eastern coastline hit by the tsunami.
Japan also declared its first-ever states of emergency for five nuclear reactors at two power plants after the units lost cooling ability in the aftermath of the earthquake, and workers struggled to prevent meltdowns.
Two of the reactors at the Fukushima Daiichi plant in Futaba town were in danger and could face a meltdown if all possible safety procedures fail.
Authorities said the breakdown happened after the quake knocked out power, turning off the water supply needed to cool the system. Although a backup cooling system was being used, Japan's nuclear safety agency said pressure inside the reactor had risen to 1 1/2 times the level considered normal.
Authorities said radiation levels had jumped 1,000 times normal inside Unit 1 and were measured at eight times normal outside the plant.
They expanded an earlier evacuation zone more than threefold, from 3 kilometers to 10 kilometers (2 miles to 6.2 miles). About 3,000 people were urged to leave their homes in the first announcement.
Japan gets about 30 percent of its electricity from nuclear power plants. Authorities warned citizens to be prepared for severe power cuts. More than 1 million households across Japan, mostly in the northeast, still didn't have access to water.
In Sendai, as in many areas of the northeast, cell phone service was down, making it difficult for people to communicate with loved ones.
"I'm waiting for my son to come here. But I cannot tell him he should come over here because mobile phones aren't working," a woman in her 70s at a shelter told Japanese TV in the town of Rikuzentakada, which appeared to be largely destroyed by the tsunami.
"My husband is missing," she said. "Tsunami water was rising to my knees, and I told him I would go first. He is not here yet."
The tsunami swept inland about 6 miles (10 kilometers), and beyond that most buildings appeared undamaged from the outside.
TV footage showed several people standing on the roof of a three-story building in Miyagi prefecture (state), surrounded by mud. A man waved a big white flag, and a woman was lifting two pink umbrellas, signaling for help.
Elsewhere, aerial footage showed military helicopters lifting people on rescue tethers from rooftops and partially submerged buildings surrounded by water and debris. At one school, a large white "SOS" had been spelled out in English.
"The energy radiated by this quake is nearly equal to one month's worth of energy consumption" in the United States, USGS scientist Brian Atwater told The Associated Press.
The entire Pacific had been put on alert – including coastal areas of South America, Canada and Alaska – but waves were not as bad as expected.
President Barack Obama pledged U.S. assistance following what he called a potentially "catastrophic" disaster. He said one U.S. aircraft carrier is already in Japan and a second was on its way. A U.S. ship was also heading to the Marianas Islands to assist as needed, he said.
Most trains in Tokyo started running again Saturday after the city had been brought to a near standstill the day before. Tens of thousands of people had been stranded with the rail network down, jamming the streets with cars, buses and trucks trying to get out of the city.
The city set up 33 shelters in city hall, on university campuses and in government offices, but many spent Friday night at 24-hour cafes, hotels and offices.
Japan's worst previous quake was a magnitude 8.3 temblor in Kanto that killed 143,000 people in 1923, according to the USGS. A magnitude 7.2 quake in Kobe killed 6,400 people in 1995.
Japan lies on the "Ring of Fire" – an arc of earthquake and volcanic zones stretching around the Pacific where about 90 percent of the world's quakes occur, including the one that triggered the Dec. 26, 2004, Indian Ocean tsunami that killed an estimated 230,000 people in 12 countries. A magnitude-8.8 quake that shook central Chile in February 2010 also generated a tsunami and killed 524 people.
Associated Press writers contributing to this report: Malcolm J. Foster, Mari Yamaguchi, Tomoko A. Hosaka and Yuri Kageyama in Tokyo; Jeff Donn in Boston; Seth Borenstein and Julie Pace in Washington; Ryan Nakashima in Los Angeles; Alicia Chang in Pasadena, California; and Mark Niesse in Ewa Beach, Hawaii.
03/23/2011 4:31 PM EDT
South Korean Diaper Panic Results From Quake
The risk of radiation contamination from Japan's damaged nuclear power stations has sparked food bans across the globe and more surprisingly, a buying frenzy from South Korean mothers who fear their favorite Japanese-made diapers may suddenly become unavailable.
Cho Myung-jin, who organizes online group-buying for Japanese diapers, saw her website collapse on Tuesday under the weight of traffic as panicked South Koreans chased brands they believe are better quality than locally-made products.
Read more here.
03/23/2011 4:29 PM EDT
More Delays In Japan
Supply chain disruptions in Japan have forced at least one global automaker to delay the launch of two new models and are forcing other industries to shutter plants and rethink their logistical infrastructure.
Toyota Motor Corp (7203.T) said on Wednesday it would delay the launch in Japan of two new additions to the Prius line-up, a wagon and a minivan, from the originally planned end-April due to production disruptions from this month's devastating earthquake.
The world's biggest automaker has suspended production at all of its 12 domestic assembly plants at least through March 26 and has estimated a production loss of 140,000 vehicles until then.
03/23/2011 6:59 AM EDT
The towering waves that splintered thousands of Japanese homes and lives has forced the country to rethink one of its most sacred Buddhist practices: how it treats the dead.
Desperate municipalities are digging mass graves, unthinkable in a nation where the deceased are usually cremated and their ashes placed in stone family tombs near Buddhist temples. Local regulations often prohibit burial of bodies.
03/22/2011 7:03 PM EDT
6.0 Earthquake Hits Northern Japan
An earthquake with a preliminary magnitude of 6.0 jolted parts of northern Japan near a quake-stricken nuclear power plant Wednesday, national broadcaster NHK said.
03/22/2011 4:30 PM EDT
Chernobyl Survivor To Japan: 'Run!'
AOL spoke with Natalia Manzurova, a "cleaner" after the disaster in Chernobyl who suffered many side effects from radiation. Her advice to the people of japan was to leave quickly. She said:
Every nuclear accident is different and the impact cannot be truly measured for years. The government does not always tell the truth. Many will never return to their homes. Their lives will be divided into two parts: before and after Fukushima. They'll worry about their health and their children's health. The government will probably say there was not that much radiation and that it didn't harm them. And the government will probably not compensate them for all that they've lost. What they lost can't be calculated.
Read the rest here.
03/22/2011 2:55 PM EDT
Bank Robber Hits Tsunami-Cracked Vault
The Japanese tsunami cracked a vault wide open, leaving a perfect chance for an opportunistic thief. The AP reports:
The earthquake and tsunami that pulverized coastal Japan crippled a bank's security mechanisms and left a vault wide open. That allowed someone to walk off with 40 million yen ($500,000).
The March 11 tsunami washed over the Shinkin Bank, like much else in Kesennuma, and police said between the wave's power and the ensuing power outages, the vault came open.
03/22/2011 2:01 PM EDT
Russia Presses Ahead With Nuclear Plants After Japan Crisis
HuffPost blogger Simon Saradzhyan writes that despite the nuclear crisis in Japan, Russia presses on with it's nuclear program:
While Russian authorities saw the recent calamities in Japan as a chance to initiate a rapprochement with the country, Moscow's overtures to Tokyo have received a cool reception. However, Japan's nuclear crisis nonetheless represents an opportunity for Russian policy-makers to take a fresh look at the country's nuclear energy policies in order to ensure that both existing and future plants are protected against natural or man-made calamities, even those that may still seem unthinkable.
Read the rest here.
03/22/2011 1:08 PM EDT
Reactor Continues To Leak Radiation
While radiation continues to leak from the reactor, the source is known, says the International Atomic Energy Agency. Reports Reuters:
"We continue to see radiation coming from the site ... and the question is where exactly is that coming from?" James Lyons, a senior official of the International Atomic Energy Agency (IAEA), told a news conference.
03/22/2011 12:10 PM EDT
National Cherry Blossom Festival Seeks To Aid Japan
Washington, D.C.'s Cheery Blossom Festival will seek to encourage aid to Japan this year. Reports the AP:
Organizers of the National Cherry Blossom Festival in Washington are urging people to donate to the American Red Cross for earthquake relief efforts in Japan ahead of the festival that honors U.S.-Japanese relations.
Festival spokeswoman Danielle Piacente says they are working on plans to recognize the tsunami tragedy during the festival, which runs March 26 to April 10.
03/22/2011 11:02 AM EDT
WTO Issues Warning
Japan's crisis will have macroeconomic repercussions beyond the country, the World Trade Organization (WTO) warned Tuesday.
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