FILE -In this file photo from Wednesday, June 6, 2012, a man looks at a 70-foot-long dock with Japanese lettering that washed ashore on Agate Beach in Newport, Ore. The West Coast is anticipating more debris from the 2011 Japanese tsunami to wash ashore this winter. - Photo by AP

FILE-In this July 2012 file photo provided by the National Oceanic and Atmospheric Administration (NOAA), buoys, foam and other debris are strewn about a beach on Kayak Island, Alaska. Scientists expect the bulk of the tsunami debris to end up in the Pacific Northwest. - Photo by AP

Acehnese women weep during a prayer commemorating the 8th anniversary of the Indian Ocean tsunami in Banda Aceh, Aceh province, Indonesia. The disaster killed more than 100,000 people in the province. - Photo by AP

Acehnese women weep during a prayer commemorating the 8th anniversary of the Indian Ocean tsunami in Banda Aceh, Aceh province, Indonesia. The disaster killed more than 100,000 people in the province. - Photo by AP

Indian people perform rituals and offer milk on Marina beach, that was hit by the tsunami, in Chennai, India. - Photo by AP

Young Indian kids offer prayers at Marina beach, that was hit by the tsunami, in Chennai, India. - Photo by AP

Indian people perform rituals and offer milk on Marina beach,that was hit by the tsunami, in Chennai, India. - Photo by AP

Young Indian kids offer prayers at Marina beach, that was hit by the 2004 tsunami, in Chennai, India. - Photo by AP

Young Indian kids offer prayers at Marina beach, that was hit by the 2004 tsunami, in Chennai, India. - Photo by AP

A family looks at the sea in Peraliya, about 90 km (56 miles) south of Colombo. - Photo by Reuters

A man rides his bicycle past a house damaged by the tsunami in Peraliya, about 90 km (56 miles) south of Colombo. - Photo by Reuters

Young Sri Lankan Buddhist monks look on from the beach at Peraliya village in southern Sri Lanka. Some 31,000 people on the island died during the 2004 Asian tsunami and one million were initially left homeless. - Photo by AFP

Mourners pray during a ceremony held to commemorate victims of the December 2004 tsunami at Peraliya village in southern Sri Lanka. - Photo by AFP

Sri Lankans play at the beach at Peraliya village in southern Sri Lanka. - Photo by AFP

Sri Lankan Buddhist monks look on from the beach at Peraliya village in southern Sri Lanka. - Photo by AFP

A Sri Lankan cyclist rides past what remains of a tsunami-devastated home in the village of Peraliya in southern Sri Lanka. - Photo by AFP