The national network of seismic monitoring recorded weak tremors in Harat Al Shaqqah, the maximum of which is of 2.94 on the Richter scale, from twelve o'clock noon on Saturday until twelve o'clock noon today. The Saudi Geological Survey (SGS) confirmed in a statement to The Saudi Press Agency (SPA) that all the variables in terms of thermal measurements and concentrations of radon gas, carbon dioxide, and the widening cracks in the ground are at safe rates.