The National Seismic Monitoring Network of the Saudi Geological Survey (SGS) detected 15 earth tremors in Harat Al-Shaqah, ranging from 3.0 to 4.19 on the Richter Scale at a depth between 8.14 km and 10.08 km. SGS also said the earth tremors occurred from 12 pm on Friday to 12 pm today, adding that tens of weak tremors measuring less than 3 on the Richter Scale were detected. SGS confirmed that the thermal measurements are normal.