An earthquake measuring 3.8 on the Richter scale rocked the provinces of San José and Cartago, east of San José, Friday, according to a statement from the Volcanological and Seismological Observatory of Costa Rica (OVSICORI) at Universidad Nacional (UNA) in Heredia, north of San José.

The quake occurred at 6:05 a.m. and originated five kilometers northwest of Santa María de Dota, in southern Costa Rica, 15 kilometers below the earth's surface.

On Sunday, the ground shook again with two earthquakes, the first of which occurred at 5:31 a.m. seven kilometers southwest of the central Pacific town of Parrita. It measured 3.7 on the Richter scale and was felt in the central Pacific and Central Valley.

A few hours later at 9:48 a.m., another quake originated from the same spot southwest of Parrita, measuring 3.6 on the Richter scale. It was also felt around the central Pacific and Central Valley.