A 6.5 magnitude quake struck the Pacific coast of Costa Rica near the capital, San Jose, on Sunday night, the US Geological Survey said.
There was no Pacific-wide tsunami threat, the US National Weather Service said.
The quake, initially measured as much as 6.8 magnitude, was centered 43 miles (69 km) southwest of San Jose at a depth of 12.3 miles (20 km), the USGS said.