A moderate 5.8 magnitude earthquake struck off the southern coast of Costa Rica on Monday, shaking buildings in the capital, but there were no immediate reports of damage or injuries.
The U.S. Geological Survey said the epicenter of the quake was 75 km south of San Jose, just offshore near the port of Puerto Quepos.
A duty officer at the police station in Dominical, a tourist town about 45 km south of Puerto Quepos, said the quake was felt strongly but there was no risk of a tidal wave.
The epicenter of the quake, which was originally reported as a strong 6.1 on the scale, was at a depth of 28 km and hit just before 5 am local time (1100 GMT).
In January 2009, a 6.1 quake near San Jose killed about 40 people, according to the USGS.
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