- Associated Press - Friday, April 8, 2011

ICHINOSEKI, Japan (AP) — Shoppers emptied store shelves, traffic snarled after stoplights lost power and drivers waited in long lines to buy gasoline in a new wave of anxiety Friday after a magnitude-7.1 aftershock struck disaster-weary northeastern Japan.

Nearly a half-million homes were without electricity after the latest tremor, which dealt another setback for those struggling to recover from the earthquake-spawned tsunami that wiped out hundreds of miles of the northeastern coast last month and killed as many as 25,000 people.

“I feel helpless. I am back to square one,” said Ryoichi Kubo, 52, who had just finally reopened his gas station in hard-hit Iwate prefecture (state) after the power outage and prolonged fuel shortage that followed the March 11 tsunami. Friday, he was again without electricity, his four gas pumps shut down.

Three people died in Thursday’s aftershock, the worst since the day of the massive magnitude-9.0 quake. The latest tremor largely spared the nation’s nuclear power plants and there was no sign of fresh problems at the troubled Fukushima Dai-ichi plant, which has been spewing radiation since it was swamped by the tsunami.

Power remained out Friday across much of northern Japan, including areas far inland, and homes were without gas and water. Gasoline was again scarce.

Convenience stores sold out of basics like water and snack foods, and supermarkets switched back to rationing purchases.

In Ichinoseki, 240 miles (390 kilometers) northeast of Tokyo, lines of 30 or more people formed outside the Marue supermarket starting when it opened at 9 a.m. With power out, each customer was escorted through the aisles by an employee with a flashlight and a pad, who jotted down the price of each item.

“I’m so tired, I just want to buy some chocolate,” said Yuka Sato, 27, who patiently waited in line with her neighbors.

Most local businesses were closed. Restaurant owner Suzuki Koya, 47, bought a small gas stove and made a free meal for locals in a big boiling pot.

“I saw the meat at the supermarket and I thought, we should do a hot pot,” he said. “It’s good to keep warm in times like these.”

About 450,000 households were still without electricity Friday evening, said Souta Nozu, a spokesman for Tohoku Electric Power Co., which serves northern Japan. That includes homes in prefectures in Japan’s northwest that had been spared in the first quake. With power lines throughout the area damaged, it was not clear whether normal operations would resume.

Several nuclear power plants briefly switched to diesel generators when the aftershock hit but were reconnected to the grid by Friday afternoon. One plant north of Sendai briefly lost the ability to cool its spent fuel pools, but quickly got it back. Several diesel generators had problems, though they did not cause any disruptions to key cooling systems.

At a plant in Onagawa, some radioactive water splashed out of the pools but did not leave a containment building, Tohoku Electric said. Such splashing is not unusual.

There was one bit of good news Friday: Automakers announced that they were beginning to bounce back after halting operations due to parts shortages in the wake of the tsunami. Toyota will resume car production at all its plants in Japan at half capacity from April 18 to 27. Nissan also said it would start up domestic production at half capacity from April 11.

But other developments were grim. Those killed by Thursday’s quake were a 79-year-old man who died of shock, a woman in her 60s who lost power to her oxygen tank, and an 85-year-old man whose cause of death was not specified.

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