Pakistani earthquake survivors search for salvageable belongings from collapsed mud houses at earthquake hit area in southwest Pakistan's Mashkel on April 17, 2013. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hits Pakistan on Tuesday afternoon, an official of National Disaster Management Authority (NDMA) said. (Xinhua/Stringer)

Pakistani earthquake survivors search for salvageable belongings from collapsed mud houses at earthquake hit area in southwest Pakistan's Mashkel on April 17, 2013. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hits Pakistan on Tuesday afternoon, an official of National Disaster Management Authority (NDMA) said. (Xinhua/Stringer)

A Pakistani girl walks on the debris of her collapsed house at earthquake hit area in southwest Pakistan's Mashkel on April 17, 2013. At least 40 people were killed and over 300 others injured in a 7.9-magnitude earthquake that hits Pakistan on Tuesday afternoon, an official of National Disaster Management Authority (NDMA) said. (Xinhua/Stringer)

(130417) -- QUETTA, April 17, 2013 (Xinhua) -- A Pakistani earthquake victim receives medical treatment at a military hospital in Quetta, southwest of Pakistan, April 17, 2013. 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) said Wednesday. (Xinhua/Mohammad) (bxq)

(130417) -- QUETTA, April 17, 2013 (Xinhua) -- A Pakistani earthquake victim receives medical treatment at a military hospital in Quetta, southwest of Pakistan, April 17, 2013. 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) said Wednesday. (Xinhua/Mohammad) (bxq)

(130417) -- QUETTA, April 17, 2013 (Xinhua) -- A Pakistani earthquake victim receives medical treatment at a military hospital in Quetta, southwest of Pakistan, April 17, 2013. 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) said Wednesday. (Xinhua/Mohammad) (bxq)