NEW YORK, Nov 6 (Xinhua) A 5.9-magnitude earthquake jolted 20 km ENE of Sola, Vanuatu at 23:17:25 GMT, the U.S. Geological Survey said. The epicenter, with a depth of 10.0 km, was initially determined to be at 13.8072 degrees south latitude and 167.7259 degrees east longitude.