Haitian earthquake victims receive first aid from Brazilian peacekeepers in Port-au-Prince January 14, 2010. Traumatised Haitians slept out in parks and streets on Thursday, fearing aftershocks to the catastrophic earthquake that flattened homes and government buildings and buried countless people. Photo/REUTERS

QUAKE-HAITI/

People pass by a house whose interiors are exposed from Tuesday's earthquake in Port-au-Prince January 13, 2010. Photo/REUTERS

QUAKE-HAITI/

A man looks at the canopy of a gas station which collapsed on a vehicle from Tuesday's earthquake in Port-au-Prince January 13, 2010. Photo/REUTERS

QUAKE-HAITI/

Haitians left homeless in the aftermath of Tuesday's earthquake rest at a park in Port-au-Prince January 13, 2010. Photo/REUTERS

QUAKE-HAITI/

Haitians left homeless in the aftermath of Tuesday's earthquake rest at a park in Port-au-Prince January 13, 2010. Photo/REUTERS

QUAKE-HAITI/

A US Southern Command assessment team boards a C-130 Hercules aircraft in Miami, Florida January 13, 2010. The aircraft is en route to Haiti to support U.S. relief efforts there after the massive January 12 earthquake that devastated the Caribbean nation. The team will work with U.S. embassy personnel as well as Haitian, United Nations and international officials to assess the situation and facilitate follow on US military support. Photo/REUTERS

HAITI, Port-au-Prince: A destroyed building is seen on January 12, 2010 in Port-au-Prince after a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / Daniel MOREL

HAITI, Port-au-Prince: A Haitian woman is helped after being trapped in rubble on January 12, 2010 in Port-au-Prince following a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / Daniel MOREL

HAITI, Port-au-Prince: A Haitian woman is helped from the rubble of a damaged building on January 12, 2010 in Port-au-Prince after a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. AFP PHOTO / DANIEL MOREL

HAITI, Port-au-Prince: A body lies amid rubble on January 12, 2010 in Port-au-Prince after a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. AFP PHOTO / David MOREL

HAITI, Port-au-Prince: This image obtained from Twitter purportedly shows Haitians on January 12, 2010 in Port-au-Prince after a huge quake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. AFP PHOTO / Carel PEDRE

HAITI, Port-au-Prince: This image obtained from Twitter purportedly shows Haitians standing amid rubble on January 12, 2010 in Port-au-Prince after a huge quake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / Carel PEDRE

HAITI, Port-au-Prince : The Haitian presidential palace stands in ruins on January 12, 2010 in Port-au-Prince after a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / Lisandro SUERO

HAITI, Port-au-Prince : A Haitian woman is covered in rubble on January 12, 2010 in Port-au-Prince after a huge earthquake measuring 7.0 rocked the impoverished Caribbean nation of Haiti, toppling buildings and causing widespread damage and panic, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. AFP PHOTO / Lisandro SUERO

HAITI, - : This image obtained courtesy of the US Geological Survey (USGS) illustrates the intensity of the 7.0 magnitude earthquake that rocked the impoverished Caribbean nation of Haiti on January 12, 2010 causing panic as it struck, officials and AFP witnesses said. A tsunami alert was immediately issued for the Caribbean region after the earthquake struck at 2153 GMT. An AFP correspondent said the ground shook for more than a minute. AFP PHOTO / USGS

QUAKE-HAITI/

An injured person is pulled from a structure that collapsed after an earthquake in Port-au-Prince in this January 12, 2010 video grab. A major earthquake hit impoverished Haiti on Tuesday, toppling buildings in the capital Port-au-Prince, burying residents in rubble and causing many deaths and injuries, witnesses in the city said. REUTERS/Reuters TV (HAITI - Tags: DISASTER ENVIRONMENT IMAGES OF THE DAY)

QUAKE-HAITI/

A view of Haiti's Presidential Palace, damaged after an earthquake struck, in Port-au-Prince in this January 12, 2010 video grab. A major earthquake hit impoverished Haiti on Tuesday, toppling buildings in the capital Port-au-Prince, burying residents in rubble and causing many deaths and injuries, witnesses in the city said. REUTERS/Reuters TV (HAITI - Tags: DISASTER ENVIRONMENT IMAGES OF THE DAY)

QUAKE-HAITI/

A car damaged after an earthquake struck is seen in Port-au-Prince in this January 12, 2010 video grab. A major earthquake hit impoverished Haiti on Tuesday, toppling buildings in the capital Port-au-Prince, burying residents in rubble and causing many deaths and injuries, witnesses in the city said. REUTERS/Reuters TV (HAITI - Tags: DISASTER ENVIRONMENT)

A view of a house which collapsed after an earthquake struck in Thomassin, 19 km (12 miles) east of Port-au-Prince, is seen in this January 12, 2010 video grab. A major earthquake hit impoverished Haiti on Tuesday, toppling buildings in the capital Port-au-Prince, burying residents in rubble and causing many deaths and injuries, witnesses in the city said. Photo/REUTERS

A fire breaks out after a major earthquake struck, in Port-au-Prince in this January 12, 2010 video grab. The magnitude 7.0 quake hit impoverished Haiti on Tuesday, toppling buildings in the capital Port-au-Prince, burying residents in rubble and causing many deaths and injuries, witnesses in the city said. Photo/REUTERS

Los Angeles County Fire Department urban search and rescue team load equipment in the Pacoima area of Los Angeles January 12, 2010. The team will travel to Haiti to help with rescue efforts after a magnitude 7.0 earthquake hit the capital Port-au-Prince. Photo/REUTERS