An earthquake measuring 4.7 on the Richter scale rocked the Southern Zone yesterday at 12:06 p.m., 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.

It originated 20 kilometers northeast of the town of San Vito, 25 meters below the earth's surface. Residents around the Southern Zone reported feeling the earth shake.