A 6.1 Magnitude earthquake damaged dozens of housesin western Nicaragua on Thursday.The US Geological Survey said the quake struck at 5.27pm local time, and wasfocused about 18 kilometres southeast of the city of Larreynaga. It was measured ata depth of 10 kilometres.Nicaraguans reported feeling a strong aftershock minutes later that the USGS saidwas a 5.1-magnitude quake 5 kilometres west of Ciudad Sandino.Local Authorities said today that at least 23 people were injured by falling ceilings,beams and walls in one town.