6.2-magnitude quake rattles northern Chile: USGS

An earthquake measuring 6.2 on the Richter scale shook northern Chile Saturday, according to the United States Geological Survey, but there was no tsunami alert and no immediate report of damage or injuries.The powerful quake, at a depth of 135 kilometers (84 miles), hit at approximately 5:19 am (0819 GMT) with an epicenter about 67 kilometers southeast of the San Pedro de Atacama tourist zone, US seismologists said.Chile's National Office of Emergency said the "medium-intensity" quake was felt