A powerful magnitude 7.0 earthquake jolted Chile's northwestern coast Sunday, US geologists said, though there were no immediate reports of major damage or injuries. The quake struck at 5:16 pm (2116 GMT), according to the US Geological Survey, which had originally said that two quakes rattled the area within a minute of each other. Located 61 kilometers (38 miles) northwest of the port city of Iquique, the temblor was 35 kilometers deep.