The death toll has now passed 3,300, and there is no telling how much farther it will climb. Search and rescue operations in Nepal entered their third day Monday, as the government and international aid agencies scramble to cope with the aftermath of a 7.8-magnitude earthquake that struck this South Asian nation on Apr. 25.

Severe aftershocks have this land-locked country of 27.8 million people on edge, with scores missing and countless others feared dead, buried under the rubble.

With its epicenter in Lamjung District, located northwest of the capital, Kathmandu, and south of the China border, the massive quake rippled out over the entire country, causing several avalanches in the Himalayas including one that killed over 15 people and injured dozens more at the base camp of Mt. Everest, 200 km away.