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Rescue workers look for survivors as they stand on the rubble of a house buried by mudslides after a powerful typhoon hit Oshima on Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. Typhoon Wipha has lashed Japan, leaving at least seven people dead on a Pacific island south of Tokyo as it cut across the capital region and headed north. (AP Photo/Kyodo News) ( Japan Typhoon )

Houses in a residential area in Oshima are buried by mudslides after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

Police officers conduct rescue operations after a landslide buried houses caused by heavy rains from typhoon Wipha at Oshima island, 120km south of Tokyo, on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523823415 )

Japan's Ground Self Defense Force soldiers remove debris to search for survivors after a landslide buried houses caused by heavy rain of typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523817347 )

Rescue workers carry the body of a landslide victim after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo, Wednesday morning, Oct. 16, 2013. Typhoon Wipha triggered landslides and caused multiple deaths on the Japanese island, before sweeping up the country's east coast, grounding hundreds of flights and paralyzing public transportation in Tokyo during Wednesday morning's rush hour. (AP Photo/Kyodo News) ( Japan Typhoon )

Landslide survivors offer prayers as the body of a victim is carried by rescue workers in the rubble of houses in Oshima damaged by landslides after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

This aerial view shows rescue workers searching for survivors after a landslide buried houses following heavy rain brought on by typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523815435 )

A house and an electric pole smashed by large rocks from a collapsed slope caused by heavy rain in Kamakura, suburban Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523819659 )

Rescue workers and residents walk through the rubble of houses in Oshima damaged by landslides after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

A man, bottom left, stands by the rubble of houses in Oshima totally shattered by landslides after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

Rescue workers look for survivors as they stand on the rubble of a house buried by mudslides after a powerful typhoon hit Oshima on Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

Several houses in a residential area in Oshima are covered by debris of mudslides after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

Police officers conduct rescue operations after a landslide buried houses caused by heavy rains from typhoon Wipha at Oshima island, 120km south of Tokyo, on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523823413 )

Fire fighters stand on rocks fallen from a cliff over a garage and a road in a residential area in Kamakura, southwest of Tokyo, after a powerful typhoon hit Japan's metropolitan area Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

A woman looks at the aftermath of landslides in the rubble of smashed houses in Oshima after a powerful typhoon hit Izu Oshima island, about 120 kilometers (75 miles) south of Tokyo Wednesday morning, Oct. 16, 2013. (AP Photo/Kyodo News) ( Japan Typhoon )

This aerial view shows landslide buried houses, caused by heavy rain of typhoon Wipha at Oshima island, 120 km south of Tokyo on October 16, 2013, while rescue workers (R bottom) search for survivors. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523812732 )

Local residents watch rescue workers searching for survivors after a landslide buried houses caused by heavy rain from typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS AFP/Getty Images ( 523820666 )

This aerial view shows houses buried by a landslide after heavy rain brought on by typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523815432 )

Japan's Ground Self Defense Force soldiers remove debris to search for survivors after a landslide buried houses caused by heavy rain of typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523817338 )

Japanese businessmen walk against strong wind and rain in Tokyo on October 16, 2013. At least three people died as Typhoon Wipha, the "strongest in 10 years", passed close to Tokyo, causing landslides that swallowed houses on a Japanese island. AFP PHOTO / Yoshikazu TSUNO/AFP/Getty Images ( 523819355 )

Japan's Ground Self Defense Force soldiers remove debris to search for survivors after a landslide buried houses caused by heavy rain of typhoon Wipha at Oshima island, 120km south of Tokyo on October 16, 2013. AFP PHOTO / JIJI PRESS /AFP/Getty Images ( 523818058 )

People walk against strong wind and rain in Tokyo on October 16, 2013. At least three people died as Typhoon Wipha, the "strongest in 10 years", passed close to Tokyo, causing landslides that swallowed houses on a Japanese island. AFP PHOTO / Yoshikazu TSUNO/AFP/Getty Images ( 523819353 )