The US Geological Survey said the quake struck about 44 km (27 miles) from the city of Khost in southeastern Afghanistan and was at a depth of 51 km.
Stephane Dujarric, Spokesman for the Secretary-General Antonio Guterres, told reporters on Wednesday that the group of about 100 UN personnel from across the system travelled from Kabul to Almaty, where they will continue their work remotely.