A strong earthquake measuring 7.6 on the Richter scale has struck the off the coast of Costa Rica with no immediate reports of damage or casualties.
The US Geological Survey (USGS) said the quake occurred at 8:42 a.m. local time (1442 GMT) on Wednesday near the Pacific coast and 10 kilometers (6 miles) northeast of Hojancha canton -- which is located in Costa Rica’s northwestern province of Guanacaste and over 300 kilometers (186 miles) southeast of the national capital, San Jose.
The tremor rattled buildings in some areas of San Jose and caused power outage.
The epicenter, with a depth of 40 kilometers (25 miles), was determined to be at 10.120 degrees north latitude and 85.347 degrees west longitude.
Meanwhile, the Pacific Tsunami Warning Center has said a Caribbean-wide tsunami watch is in effect.
"Earthquakes of this size have the potential to generate a widespread destructive tsunami that can affect coastlines across the entire Caribbean region," the warning center said.