A tremor measuring 4.3 on the Richter scale was felt Sunday evening in the northern province of Chefchaouen. According to the Moroccan Geophysics Institute, the tremor was felt at 10: 14 p.m. (local time), and its epicenter was located at Chefchaouen's suburbs (230 km northeast of Rabat). This is the fourth tremor felt in Morocco in two weeks, and also the strongest. On Saturday, a tremor measuring 3.7 on the Richter scale was felt in the same province, KUNA reported.