Sunday saw earthquakes on both sides of the country.
At 9:59 a.m. a quake with the magnitude of 4.3 took place in the gulf of Nicoya offshore from the Nicoya peninsula and 17.1 kilometers east southeast of Tambor. That’s about 10.5 miles. This is a location of frequent quakes on a fault in the gulf.
Both the Laboratorio de Ingeniería Sísmica at the Universidad de Costa Rica and the Observatorio Vulcanológico y Sismológico de Costa Rica at Universidad Nacional in Heredia agreed on the magnitude. There was a replica quake in the same spot about 10:13 p.m. with a magnitude of 2.9.
Then at 2:38 p.m. there was a 3.6-magnitude quake just inland from the Caribbean and some 4.8 kilometers east of Matin Centro in Limón province. The distance is about 2.5 miles. Both reporting agencies also agreed on the magnitude.