The Saudi Geological Survey (SGS) said that the seismic activity in Harrat Al-Shaqa has declined in terms of number and strength. The National Network Stations of SGS detected a number of weak earth tremors during the last 24 hours. The maximum magnitude of these earthquakes was 2.7 on the Richter scale. However, SGS confirmed that no volcanic fumes were detected, and the thermal measurements are normal.
