Skopje - A strong earthquake struck southern Macedonia near the Greek border on Sunday night, damaging some houses, officials said. No casualties were immediately reported

The quake, with an epicenter about 10 miles (15 kilometers) from the Greek border, struck at 7:17 p.m. (1617 GMT) and damaged homes in at least one Macedonian village, authorities said.

The temblor measured 5.1 on the Richter scale, the Geodynamic Institute at the University of Thessaloniki. The U.S. Geological Survey gave a slightly higher magnitude: 5.4.

Initial estimates of earthquakes often vary.

No damage or casualties were immediately reported in Greece.