Tents outside a hospital light up at night after Saturday's earthquake hit Lushan county, Ya'an, Sichuan province, on April 22. Hundreds of survivors of an earthquake that killed nearly 200 people in southwest China pushed into traffic on a main road on Monday, waving protest signs, demanding help and shouting at police. The Chinese characters on the tent read "Disaster relief".

Medical personnel work with a flashlight in a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

Chinese soldiers cook breakfast in a rescue camp in Taiping town, Lushan County, Sichuan Province, China, on April 23.

Residents gather around a fire outside damaged homes in Taiping town, Lushan County, Sichuan Province, China, on April 23.

People gather at a power supply station in a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

A man works in a shed at a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

People fall asleep at the power supply station at a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province on April 22.

Medical personnel take a break to eat in disaster-hit Ya'an, southwest China's Sichuan province, on April 21. Clogged roads, debris and landslides impeded rescuers as they battled to find survivors of a powerful earthquake in mountainous southwest China that has left at least 188 dead.

Earthquake survivors queue for free water on April 22, in Lushan of Ya An, Sichuan Province of China.

Two earthquake survivors eat instant noodles outside the tent in a middle school on April 22, in Baoxing county of Ya An, China.

Two girls hold boxes of food at a temporary settlement in the disaster-hit area in Ya'an, southwest China's Sichuan province, on April 21.

An earthquake survivor sits outside a tent in a middle school on April 22 in Baoxing county of Ya An, China.

An Iranian woman receives medical treatment from aid workers in the town of Shonbeh, southeast of Bushehr, on April 9, after a powerful earthquake struck near the Gulf port city of Bushehr.

Vehicles make their way along structures destroyed by an earthquake which struck southern Iran in the city of Shonbeh, Iran, on April 9.

An Iranian woman sits on the rubble in the Shonbeh Twon in Bushehr province in southern Iran, on April 9.

Iranians walk past the ruins of a destroyed house in the town of Shonbeh, southeast of Bushehr, on April 9, after a powerful earthquake struck near the Gulf port city of Bushehr.

A man sweeps an exposed tiled area of the earthquake-damaged Santa Ana Catholic church, where he now lives, in Port-au-Prince, Haiti, Jan. 12. Haitians recalled on Saturday the tens of thousands of people who lost their lives in the devastating earthquake three years ago. Most of the rubble created by the quake has since been carted away, but more than 350,000 people still live in displacement camps.

A Buddhist monk and others search through rubble near a Buddha statue in an earthquake-damaged monastery in KhuLe village, SintKu township, Mandalay Division, Myanmar on Nov. 12, 2012.

An injured woman sits in a chair outside Kyauk Myaung hospital, east of Shwebo on November 11, 2012. The shallow 6.8-magnitude quake struck in a rural area 72 miles north of Mandalay followed by a series of aftershocks, the US Geological Survey (USGS) said.

A man helps carry a coffin during the funeral procession for 10 members of the Vasquez family in San Cristobal Cucho, Guatemala, Nov. 9, 2012. The family died when a magnitude 7.4 earthquake struck on Wednesday, collapsing their home and burying them, including a 4-year-old child, in the rubble.

People carry the coffins with the remains of 10 members of the Vasquez family in San Cristobal Cucho, Guatemala, Nov. 9.

A woman reacts as she looks into the coffin of one of the 10 members of the Vasquez Gomez family, who died during the earthquake that struck on Wednesday, in the cemetery of San Cristobal Cucho, Guatemala, Nov. 9. Rescue workers on Thursday carted out dead bodies found under rubble in the aftermath of Guatemala's most powerful earthquake in decades, while others cleared wrecked cars and collapsed buildings as they searched for survivors.

Berta Miguelina Miranda holds flowers during the funeral procession for the Vasquez family in San Cristobal Cucho, Guatemala, Nov. 9.

Members of a rescue team help a relative of a missing person as authorities continue the search for victims & survivors of an earthquake in San Marcos, Guatemala, on Nov. 8, 2012.

Firefighters use heavy equipment to search for people feared buried at a sand mine in San Marcos, Guatemala, on Nov. 8.

A woman looks at one of the coffins of the ten members of the Vazquez Gomez family killed in the earthquake in San Cristobal Cucho, about 155 miles south of Guatemala City on Nov. 8, 2012.

A man walks past debris on Nov. 8, the day after earthquake in San Marcos, Guatemala.

Local residents run past a landslide in Luozehe town on September 10, 2012 after two earthquakes hit Yiliang, in China's Yunnan province on Friday.

Earthquake survivors rest at an emergency relief center in Yiliang on September 9, 2012.

Deng Shuai, 14, holds a portrait of his father, who died in one of the earthquakes, after a burial ceremony on September 10, 2012.

An elderly man arrives to seek medical attention at a makeshift emergency relief center in Yiliang on September 9, 2012.

Zhou Zhanchang, a 12-year-old survivor, rests after receiving medical treatment in a tent outside a hospital on September 10, 2012.

A wall showing the Chinese characters for countryside, pictured on September 9, 2012. It was damaged by a large rock after a series of earthquakes Friday.

Villagers watch a TV news report in a temporary settlement for victims of the earthquakes in Yiliang county on September 9, 2012.

Soldiers carry children as locals follow towards a safer area after two earthquakes hit Zhaotong, Yunnan province, Sept. 7, 2012.

Chinese paramilitary police carry an injured victim evacuated from an earthquake hit Zhaotong town, in southwest China's Yunnan Province, Sept. 7.

Patients of the Hospital Calderon Guardia in San Jose are evacuated after a powerful 7.6-magnitude earthquake struck near the Pacific coast of Costa Rica on Sept. 5. briefly knocking out power and communications and triggering tsunami warnings.

People gather in front of the Supreme Court, after being evacuated from their buildings following an earthquake in San Jose, Costa Rica on Sept. 5.. A 7.9 magnitude earthquake struck northwestern Costa Rica according to the U.S. Geological Survey said.

A handout picture provided by the Red Cross on Sept. 5 shows damage on the church in Nandayure, Costa Rica, near the epicenter of the earthquake of magnitude 6.7 on the Richter scale that rocked Costa Rica at 08.42 local time (1442 GMT). A strong earthquake off the west coast of Costa Rica has prompted a tsunami warning, US officials said. The US Geological Survey later downgraded the strength of the earthquake to 7.6 magnitude from an earlier estimate of 7.9. The quake occurred at 1442 GMT about eight kilometres north-east of Samara and 151 kilometres west of the capital San Jose. No one was immediately reported injured, the Red Cross said, and damage caused by the quake in Costa Rica was believed to be relatively minor.