<p>A magnitude 6 earthquake struck Northern Sumatra, Indonesia, on Sunday, the German Research Center for Geosciences (GFZ) said.</p><p>The quake was at a depth of 89 km (55.3 miles), the GFZ said. </p>
<p>A magnitude 6 earthquake struck Northern Sumatra, Indonesia, on Sunday, the German Research Center for Geosciences (GFZ) said.</p><p>The quake was at a depth of 89 km (55.3 miles), the GFZ said. </p>