Most of the quakes that take place here are not felt by humans

Observatorio Vulcanológico y Sismológico graphic Red dots represent the quakes that ook place from July 13 to last Thursday.

Earthquakes reported last week were no big deal, the experts said.

From July 13 to last Thursday there were 149 quakes counted, but only eight were strong enough to be felt by humans, said the Observatorio Vulcanológico y Sismológico de Costa Rica. The quakes averaged 21.2 a day, the Observatorio said.

There were three more felt quakes Monday. The largest was at 4:48 a.m. about 47 kilometers northwest of Peñas Blancas on the country’s border with Nicaragua. The magnitude was estimated at 3.6. The estimated epicenter was just north of Riva, Nicaragua.

There was a 2.8 magnitude quake at 2:42 a.m. 7.3 kilometers west southwest of Orosi de Paraiso and a 3.0 quake at 1:01 p.m. 13 kilometers southwest of Estero Garita de Aguirre de Puntarenas. The epicenter was estimated to be in the Pacific Ocean.

Both the Observatorio Vulcanológico y Sismológico de Costa Rica and the Laboratorio de Ingeniería Sísmica are doing a better job of keeping the public informed, so the number of quakes being reported are more numerous than previous years.

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