A magnitude-3.5 earthquake struck in the Al-Ais area, 400 kilometers from Madinah, early on Saturday, according to the Saudi Geological Survey.
The tremor sent shockwaves among residents.
SGS has said some 20 to 30 tremors take place in the area every year without being felt by residents.
Moderate quake hits Al-Ais
Moderate quake hits Al-Ais
