6.4-magnitude quake hits 59km NNE of Isangel, Vanuatu -- USGS

HONG KONG, Oct. 21 (Xinhua) -- An earthquake with a magnitude of 6.4 jolted 59km NNE of Isangel, Vanuatu on Monday, the U.S. Geological Survey said.

The epicenter, with a depth of 226.08 km, was initially determined to be at 19.0408 degrees south latitude and 169.4528 degrees east longitude.