(Adds additional EMSC data, comment from U.S. National Tsunami Warning Center)
July 21 (Reuters) - An earthquake of magnitude 6.9 struck near Panama on Wednesday, the European-Mediterranean Seismological Centre (EMSC) said.
The quake was at a depth of 2 km, according to EMSC, and struck about 321 km (199 miles) southeast of San Jose in Costa Rica.
The U.S. National Tsunami Warning Center said no tsunami was expected.
Another trembler with a magnitude of 6.3 and a depth of 22 km also struck near Panama, EMSC said. (Reporting by Derek Francis in Bengaluru; Editing by Richard Pullin)
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