Heavy machinery is used to clear debris on the road leading to the town of Camarones, Chile, on Thursday, April 3. Access to the town was cut off when an 8.2-magnitude earthquake struck northern Chile on April 1. Luis Hidalgo/AP

People take shelter under a tent after they left their homes in Alto Hospicio, Chile, on April 3. Luis Hidalgo/AP

Chilean soldiers stand guard at a supermarket as people wait in line to buy supplies in Iquique, Chile, on April 3. FELIPE TRUEBA/EPA/LANDOV

Soldiers patrol inside a mall in Iquique on April 3. Aldo Solimano/AFP/Getty Images

People walk along a cracked road in Iquique on Wednesday, April 2. Aldo Solimano/AFP/Getty Images

Fishing boats washed ashore by a tsunami sit in the waters of Iquique on April 2. Cristian Viveros/AP

Rescue personnel get ready to go into action April 2 in Iquique. More than 2,500 homes sustained serious structural damage in the region around the northern port city, an official said. Cristian Viveros/AP

A chair floats in a flooded area of Iquique on April 2. Aldo Solimano/AFP/Getty Images

People wait at the Arturo Merino Benitez Airport in Santiago, Chile, on April 2 as flights are canceled because of the earthquake. Sebastian Rodriguez/Agencia Uno/XINHUA/LANDOV

Fishing boats lie in the waters of Iquique on April 2. Cristian Viveros/AP

Chilean President Michelle Bachelet speaks in Santiago on April 2. ARIEL MARINKOVIC/EPA/LANDOV

A man waits for medical treatment at an emergency center in Iquique on April 2. Agencia Uno/XINHUA/LANDOV

People stay on a beach in Arica, Chile, after the earthquake struck. The quake generated tsunami waves of more than 6 feet on the coast of Pisagua, according to the Pacific Tsunami Watch Center. Iquique saw 7-foot waves. stringer/XINHUA/LANDOV

A military vehicle patrols the streets of Iquique on April 1. Chile is on the "Ring of Fire," an arc of volcanoes and fault lines that circles the Pacific Basin and is prone to frequent earthquakes and volcanic eruptions. Cristian Viveros/AP

People embrace on the upper floor of an apartment building in Iquique on April 1. Cristian Viveros/AP

A view of Iquique following the earthquake on April 1. Cristian Viveros/AP

People evacuate Iquique on April 1. AGENCIA UNO/Xinhua/Landov

People take to the streets after the earthquake, which hit at 6:46 p.m. local time. AGENCIA UNO/Xinhua/Landov

A fire burns at a restaurant in Iquique after the earthquake. Cristian Viveros/AP

A woman and her dog stand against a wall in Iquique on April 1. AGENCIA UNO/Xinhua/Landov

Girls wait in a hallway before evacuating Iquique on April 1. XINHUA/LANDOV

Iquique residents wait outside on April 1. AGENCIA UNO/XINHUA/Landov

Iquique residents wait in a parking garage after the earthquake. AGENCIA UNO/Xinhua/Landov