The story

A strong earthquake and an almost equally strong aftershock struck southern Greece just after midday Thursday, U.S. and Greek experts said.

The U.S. Geological Survey (USGS) reported on its Web site that the initial 6.7 magnitude quake was centered about 140 miles (230 km) southwest of the capital, Athens, and was located about 12 miles offshore.

The Athens Geodynamic Institute said an aftershock measuring 6.4 on the Richter scale -- which is no longer used by the USGS -- rumbled through the same region soon afterward. Read full article »

Journalist Anthee Carassava in Athens contributed to this report.

All About EarthquakesGreeceU.S. Geological Survey

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