A map released by the United States Geological Survey shows the intensity of the earthquake.
A 7.6-magnitude earthquake hit northwestern Costa Rica at 10:42 a.m. EDT on Sept. 5, 2012, at a depth of about 25 miles and about seven miles southeast of Nicoya, a town of some 15,000 people on a coastal area on the Pacific about 90 miles from the capital San Jose.
The Pacific Tsunami Warning Center issued tsunami warnings for Costa Rica, Panama and Nicaragua, after initially issuing warnings for a much larger area. - NBC News staff and wire reports
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