Earthquake shakes North Korea

(CNN) - A 4.7-magnitude earthquake hit northern North Korea on Monday, the U.S. Geological Survey reported.

The quake occurred at 9:54 a.m. (8:54 p.m. ET Sunday) about 75 km (45 miles) northwest Kimchaek and 375 km (230 miles) northeast of the capital of Pyongyang, the agency said. The depth of the temblor was 10 km (6.2 miles).

The USGS put the epicenter of the earthquake within a few miles of the site where North Korea conducted a nuclear test in October 2006.

No other details on Monday's quake where immediately available.