<p>A magnitude 5.7 earthquake struck the Tonga Islands region on Saturday, the German Research Center for Geosciences (GFZ) said.</p>.<p>The quake was at a depth of 252 km (156.586 miles), GFZ said. </p>
<p>A magnitude 5.7 earthquake struck the Tonga Islands region on Saturday, the German Research Center for Geosciences (GFZ) said.</p>.<p>The quake was at a depth of 252 km (156.586 miles), GFZ said. </p>