Earthquake of 6.4 magnitude strikes west of Tonga: USGS


SINGAPORE (Reuters) - An earthquake of 6.4 magnitude struck 500 km (310 miles) west of the Pacific island of Tonga on Saturday, the U.S. Geological Survey (USGS) said, but there were no immediate reports of any casualties or damage.

There was also no immediate tsunami warning.

(Writing by Robert Birsel; Editing by Richard Pullin)