June 15th, 2013 (InsideCostaRica.com) An earthquake measuring magnitude 4.9 on the Richter scale struck near Sardinal de Carillo, Guanacaste, according to the Volcanological and Seismological Observatory of Costa Rica (OVSICORI). The quake struck at a shallow depth of just 5km, which can produce greater shaking. OVSICORI recorded the quake striking at 11:34am local time.
The earthquake’s epicenter was near the popular tourist destination of Playas del Coco on Costa Rica’s northern Pacific coast.
Strong shaking was reported as far away as Costa Rica’s Central Valley, including Alajuela, San Ramon, and Grecia.
Nearly simultaneously, the United States Geological Service (USGS) reported a magnitude 6.5 earthquake 50km W of Masachapa, on Nicaragua’s central Pacific coast.
UPDATE 1: OVSICORI has recorded two additional temblors in Costa Rica following the 4.9 magnitude event. The first struck at 11:59am local time, with a magnitude of 3.4 and a depth of 5km, 6km southeast of Playa Grande in Carrillo, Guanacaste. The second struck at 12:11pm local time, with a magnitude of 3.4 and a depth of 11km, 1km southeast of Moracia de Nicoya, in Guanacaste. No reports of injuries are damage in Costa Rica have been received.