<p> A magnitude 5.9 earthquake struck near Tonga on Saturday, the U.S. Geological Survey (USGS) said.</p>.<p>The earthquake's epicenter was located about 270 km (170 miles) south of Tonga, at a depth of 10 km (6.2 miles), according to the USGS.</p>.<p>The U.S. Tsunami Warning System said there was no tsunami threat for the U.S. West Coast, British Columbia, or Alaska following the quake.</p>.<p>Australia's Bureau of Meteorology said there was no tsunami threat to Australia.</p>.<p>The USGS revised an earlier measurement of a 6.5 magnitude earthquake.</p>
<p> A magnitude 5.9 earthquake struck near Tonga on Saturday, the U.S. Geological Survey (USGS) said.</p>.<p>The earthquake's epicenter was located about 270 km (170 miles) south of Tonga, at a depth of 10 km (6.2 miles), according to the USGS.</p>.<p>The U.S. Tsunami Warning System said there was no tsunami threat for the U.S. West Coast, British Columbia, or Alaska following the quake.</p>.<p>Australia's Bureau of Meteorology said there was no tsunami threat to Australia.</p>.<p>The USGS revised an earlier measurement of a 6.5 magnitude earthquake.</p>