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SAPPORO, Japan – Searchers used dogs, backhoes and shovels to dig through mud and debris Friday looking for survivors beneath the landslides caused by a powerful earthquake in northern Japan that left at least 16 people dead or presumed dead.
The magnitude 6.7 quake early Thursday unleashed scores of landslides that buried homes in avalanches of soil, rock and timber on the country's northernmost main island of Hokkaido. In Atsuma, a town of 4,600 people, 26 were still unaccounted for.
The landslides ripped through some homes and buried others. Some residents interviewed by national broadcaster NHK described awakening to find their relatives and next-door neighbors gone.
"The entire thing just collapsed," said one. "It's unbelievable."
Prime Minister Shinzo Abe said nearly half of the nearly 3 million households on the island had their power restored after a day of island-wide blackouts.
"The forecasts are for rain, and that could bring more landslides, so please continue to exercise extreme caution," he said.
The regional government said the bullet train to the provincial capital, Sapporo, was due to reopen later in the day. The city's regional airport also was beginning to resume operations after hundreds of flights had been cancelled, stranding thousands of travelers, due to Thursday's power outage and light quake damage.
Hokkaido is Japan's northern frontier and a major farming region with rugged mountain ranges and vast forests, and its people are accustomed to coping with long winters, isolation and other hardships.
It is sparsely populated compared to the rest of Japan, but disruptions were widespread. Many roads were closed and some were impassable.
In Sapporo, the regional capital and home to 1.9 million people, casualties were relatively light. But damage to some parts of the city was severe, with houses atilt and roads crumbled or sunken. A mudslide left several cars half buried, and the ground subsided, leaving drainpipes and manhole covers protruding by more than a meter (yard) in some places.
"I was on the 9th floor when it hit. I was about to go to sleep. Then, all of sudden, there came a big tremor. I never experienced such big tremor since I was born. So, I was really surprised," Sayaka Igarashi, 20, told The Associated Press.
"People are saying there could be aftershocks. I 'm worried that another big one will hit," said Ryota Kitsui, 29.
Economy, Trade and Industry Minister Hiroshige Seko told reporters Friday that it would take at least a week to fully restore power to all communities due to damage at a thermal power plant at Tomato-Atsuma that supplies half of Hokkaido's electricity.
"We're trying to do it faster, but it will likely take a week," Seko said. He urged residents to conserve power by keeping lights off, unplugging unused appliances and having family members stay together in one room.
"This will help us to restore power to more places," he said.
The last few months have brought a string of calamities in Japan. The quake came on the heels of a typhoon that lifted heavy trucks off their wheels and triggered major flooding in western Japan, and damaged the main airport near Osaka and Kobe. The summer also brought devastating floods and landslides from torrential rains in Hiroshima and deadly hot temperatures across the country.
Yamaguchi reported from Tokyo. AP writer Elaine Kurtenbach contributed from Tokyo.