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Few reports of damage or injuries after magnitude-7.4 Tohoku quake, tsunami
KYODO, REUTERS, STAFF REPORT
NOV 22, 2016
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A powerful earthquake struck northeastern Japan on Tuesday morning, briefly disrupting nuclear fuel cooling functions at an idled power plant and generating tsunami of over 1 meter in the region, which was devastated by a huge quake, tsunami and nuclear disaster five years ago.
The 5:59 a.m. quake with a preliminary magnitude of 7.4 is believed to be an aftershock of the March 2011 earthquake, the Meteorological Agency said.
It is the first quake with a magnitude of 7 or bigger to hit Japan since July 2014. The agency warned that there may be similar-scale quakes for around a week.
A tsunami measuring 140 centimeters was observed at Sendai port in Miyagi Prefecture and a wave of about 1 meter reached the coast near the Fukushima No. 1 nuclear power plant that was crippled by the 2011 quake-tsunami disaster.
Authorities instructed residents in coastal areas to evacuate to higher ground and hundreds of schools canceled classes. Over 3,000 people fled to evacuation centers in Fukushima.
“The sound of sirens brought back memories of the huge earthquake (in 2011),” said Tomomi Nagakubo, 48, who drove in her car to an evacuation center in Ibaraki Prefecture with her 13-year-old son.
According to public broadcaster NHK, as of 1:30 p.m., 12 people in Fukushima, Chiba, Tokyo and Miyagi prefectures were injured as a result of the quake. The injured included an 82-year-old woman in Chiba, who fell from stairs at her home and fractured her hip bones. In Fukushima, five people were injured after tripping over or sustaining cuts after touching broken glass, NHK said.
A nuclear fuel cooling facility for the Fukushima No. 2 power plant’s No. 3 reactor building temporarily stopped working, but was restarted about 90 minutes later, according to operator Tokyo Electric Power Company Holdings Inc.
“We are currently confirming the situation, but I have been informed that it will not immediately lead to a radiation leak or an increase in the temperature of the fuel,” the government’s top spokesman Yoshihide Suga said in a news conference in Tokyo.
Equipment to measure dust for radioactive materials within the premises of the Fukushima No. 2 complex also stopped working, but Tepco said the fault has not caused any serious problems.
No abnormalities were observed at other nuclear plants in Fukushima and other parts of northeastern Japan, according to Tepco and other power companies. Reactors at these nuclear plants have been offline.
Sixteen small boats were overturned off the coast of Miyagi, the Japan Coast Guard said, adding no one was believed to be onboard.
At 12:50 p.m. all tsunami warnings and advisories were lifted, the agency said.
The quake, which also shook the Tokyo area, measured lower 5 on the Japanese seismic intensity scale of 7 in Fukushima, Ibaraki and Tochigi prefectures, the agency said.
It was the first time since December 2012 that the agency issued a tsunami alert due to an aftershock from the 2011 quake.
Television footage showed ships moving out to sea from harbors as tsunami warnings wailed after alerts of waves of up to 3 meters were issued.
“We saw high waves but nothing that went over the tidal waves,” a man in the city of Iwaki told the NTV television network.
Aerial footage showed tsunami waves flowing up rivers in some areas, as well as the overturned fishing boats in the port of Higashi-Matsuyashima, Miyagi Prefecture.
The focus of the quake was about 25 kilometers under the seabed in the Pacific Ocean off Fukushima, the agency said. The underwater quake resulted from a vertical fault movement, a phenomenon likely to trigger tidal waves, it said.
Prime Minister Shinzo Abe said in a news conference in Buenos Aires that the government will assess the damage caused by the quake and keep the public informed.
He said the government “will continue to gather information about damage, work closely with the Self-Defense Forces and dedicate every effort to disaster response.”
Suga called on people in the affected areas to remain alert to evacuation instructions from the SDF and relevant authorities, pay attention to information broadcast on television and radio, and help anyone in need.
The Defense Ministry sent SDF fighter aircraft and choppers to quake-hit regions to check for damage.
Rail and flight services were disrupted, with some bullet trains temporarily halted and some flights to and from Sendai airport canceled.
A fire occurred at a petroleum complex in Iwaki at around 6:15 a.m. and was put out about 25 minutes later, according to the Fukushima prefectural police. It was not immediately known if the fire was caused by the quake, but there were no reports of injuries from it.
The March 11, 2011, quake was magnitude 9, the strongest quake ever recorded in Japan. The massive tsunami it generated knocked out the Fukushima No. 1 plant, causing the worst nuclear crisis since Chernobyl a quarter of a century earlier.
Warning systems have been updated since the 2011 disaster to spread alerts more quickly to the affected population, said Tsunetaka Omine, head of the Disaster Management Division in Iwaki, Fukushima Prefecture.
Previously, warnings were broadcast on outdoor loudspeakers and by sending firefighters around communities, he said. Authorities now send tsunami warnings to every mobile phone in the area and broadcast on local radio.
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