The earthquake has now triggered a wave of speculations about whether Tehran has tested a nuclear weapon. It has also sparked concern because it struck near a city with a space and missile complex.

The earthquake struck at a depth of 10km (6.2 miles), and was reported at approximately 9:19 p.m. local time amid rumours of Republican Guard 'testing' nearby

TEHRAN: A 5.1-magnitude earthquake shook northern Iran on Friday, the US Geological Survey said, as Israel continued to pound the country with repeated waves of air strikes.The official news