People embrace on the upper floor of an apartment building located a few blocks from the coast where they gathered to avoid a possible tsunami after an earthquake in Iquique, Chile, Tuesday, April 1. (Cristian Viveros/Associated Press) #

An elderly person is evacuated from a shelter after a tsunami alarm at Antofagasta city, north of Santiago on the southern Pacific coast, April 1. (Reuters) #

Fishermen inspect a boat washed onto a dock after a tsunami hit the northern port of Iquique April 2. (Hector Merida/Reuters) #

Firefighters battle a blaze started after an earthquake and tsunami hit the northern port of Iquique April 2. (Hector Merida/Reuters) #

A woman walks next to debris of a building affected by the April 1 earthquake, of 8.2 Richter scale magnitude, in the city of Iquique, Northern Chile, April 2. More than 900,000 residents fled Chile's coastal regions on after an earthquake that left at least six people dead. (Felipe Trueba/EPA) #

People park their cars and pitch tents in an elevated area, away from the coast affected by the April 1 earthquake, in the city of Iquique, Northern Chile, April 2. (Felipe Trueba/EPA) #

A group of people during an evacuation head towards higher zones in the city of Iquique, Northern Chile, April 2. Chilean authorities ordered again the evacuation of the population of the entire coastline of the country due to a tsunami threat following a 7.8 Richter scale aftershock during the night in the north of the country, already affected by an earthquake on April 1. (Felipe Trueba/EPA) #

People sleep in the open in an elevated area, after the earthquake, of 8.2 Richter scale magnitude, in the city of Iquique, Northern Chile, April 2. (Felipe Trueba/EPA) #

Rescue workers inspect a car caught under a landslide after an earthquake and tsunami hit the northern port of Iquique, April 2. (Cristian Vivero/Reuters) #

A group of people during an evacuation head towards higher zones in the city of Iquique, Northern Chile, April 2. (Felipe Trueba/EPA) #

A cameraman records near cars caught under rubble after an earthquake and tsunami hit the northern port of Iquique April 2. Chilean authorities on Wednesday were assessing the damage from a massive earthquake that struck off the northern coast, causing a small tsunami, but the impact appeared to be mostly limited. (Ivan Alvarado/Reuters) #

Residents who have fled their homes await to return to their homes in Iquique, in Iquique, 1,950 km north of Santiago, on April 2. A powerful offshore earthquake measuring 7.6 rocked northern Chile late Wednesday, sparking a new tsunami warning and sending thousands of people fleeing for higher ground a day after a deadly tremor killed six people. (Jua Leonel/AFP/Getty Images #

People walk along a cracked road in Iquique, northern Chile, on April 2, a day after a powerful 8.2-magnitude earthquake hit off Chile's Pacific coast. (Aldo Solimano/AFP/Getty Images) #

A man moves debris away from a house after the 8.2 magnitude earthquake, in Arica, Chile, April 2. (Rodrigo Villalon/EPA) #

People line up outside a market to buy supplies after an earthquake and tsunami hit the northern port of Iquique April 2. (Ivan Alvarado/Reuters) #

Several people return to their homes in Arica, Chile, April 2, after spending the night in tents after the earthquake struck northern Chile. More than 900,000 residents fled Chile's coastal regions. (Rodrigo Villalon/EPA) #

Residents of the city of Iquique spend a second sleepless night on the athletic track of the city's football Stadium in Iquique, Chile, April 2. (Cristian Vivero/Associated Press) #

Residents who have fled their homes rest before a camp fire on a street in Iquique, Chile, after a powerful earthquake measuring 7.8 rocked northern Chile late April 3, the day after a deadly 8.2 jolt in the same region, authorities said. (Aldo Solimano/AFP/Getty Images) #

A Chilean Air Force airman checks on a person needing oxygen while on the athletic track of the city's football Stadium in Iquique, Chile, April 2. (Cristian Vivero/Associated Press) #

A small scale fisherman naps on a jumble of fishing nets in Lima, Peru, April 2. (Rodrigo Abd/Associated Press) #

Heavy machinery is used in the clearing of debris on the road leading to the town of Camarones, in Arica, April 3. The road was cut off due to the magnitude-8.2 quake that struck Chile's Northern coast. As strong aftershocks continue, power remains out in many areas, and hospitals were handling only emergencies. (Luis Hidalgo/Associated Press) #

People spend the night at a soccer field after a strong aftershock in Arica, Chile, early Thursday, April 3. (Luis Hidalgo/Associated Press) #

A woman collects water next to a major grocery store in Iquique 1,950 kilometres north of Santiago on April 3. Large supermarkets and gas stations coordinated their reopenings with police and military to avoid problems with long lines of customers. (Cris Bouroncle/AFP/Getty Images) #

Residents who have fled their homes rest on a street in Iquique, Chile, after a powerful earthquake measuring 7.8 rocked northern Chile late April 3. The tremors were felt as far inland as landlocked Bolivia and sparked evacuation warnings up the Pacific coast of South America and into Central America. (Aldo Solimano/AFP/Getty Images) #

Cars remain parked on a hillside next to the Duty Free Zone (ZOFRI) in Iquique 1,950 km north of Santiago on April 3. (Cris Bouroncle/AFP/Getty Images) #

View of damage at a fishing port in the city of Iquique, Chile, April 3, as the city recovers from the earthquake. (Felipe Trueba/EPA) #

People hitchhike on a highway between localities of Iquique and Alto Hospicio, in Chile, April 3, as the area recovers. (Felipe Trueba/EPA) #