An earthquake, measured at 6.7 or 6.8 on the Richter scale, hit the largely rural border area between Russia, China, and North Korea Thursday morning. The U.S. Geological Survey said the epicenter of the quake was 61 miles west-southwest of Vladivostok, Russia, and about 70 miles east of Yanji city in China's Jilin province, according to the Associated Press. There were no immediate reports of damage.