The National Center for monitoring earthquakes and volcanoes monitored here today, three earthquakes, just 84 km away, North to the town of Amluj, at a depth of 10 kilometers, varying between 3.7, 3.3 and 3.0 magnitude, on the Richter scale, official spokesman for the Saudi Geological Survey Tariq Aba Al-Khail announced. He reported that the tremors occurred on a normal rift crack, where this activity is relatively small, describing them as being weak on the Richter scale and are not dangerous, however, the body informed the civil defense to take all necessary precautions. The National Center for Monitoring Earthquakes and Volcanoes, which operates more than 220 monitoring stations to record seismic activities, spread throughout the Kingdom, record, on daily basis, light and non-damaging tremors, stressing the importance of raising awareness and interest in how to deal properly and behave, in case of earthquakes times, by following the instructions on the site of the Saudi Geological Survey Authority. Saudi Geological Survey Authority, is always eager to declare tremors through its official website, in order to avoid going viral of rumors from unknown sources, especially on the social networking media.