An earthquake measuring 4.6 on the Richter scale shook the area surrounding Poás Volcano, northwest of San José, Saturday, according to a statement from the Volcanological and Seismological Observatory of Costa Rica (OVSICORI) based at Universidad Nacional (UNA) in Heredia, north of San José.

The quake occurred at 9:11 a.m. and was felt in the San José area; Alajuela, northwest of San José ; the central Pacific; and Cartago, east of San José.