Pakistani Frontier Constables remove debris of collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Pakistani earthquake survivors remove debris of their collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Pakistani earthquake survivors walk past collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Pakistani Frontier Constables remove debris of collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Pakistani earthquake survivors build makeshift shelters near their collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Collapsed mud houses are seen in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)

Pakistani Frontier Constables remove debris of collapsed mud houses in southwest Pakistan's Mashkel area, April 19, 2013. Pakistani authorities on Thursday said that rescue operations had been speeded up in areas affected by the Tuesday's 7.9 magnitude earthquake in the country's southwestern province of Balochistan near Pakistan-Iran border. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hit Pakistan on Tuesday afternoon, an official with National Disaster Management Authority (NDMA) told Xinhua on Wednesday. (Xinhua/Asad)