Magnitude 6.8 earthquake strikes Tonga, USGS says

(Reuters) - An earthquake measuring 6.8 magnitude struck Tonga on Wednesday, the U.S. Geological Survey said.

The quake was at a depth of 10 km (6.21 miles), USGS said.

The U.S. National Tsunami Center said it does not expect a tsunami after the earthquake.

(Reporting by Urvi Dugar; Editing by Chris Reese)