A powerful earthquake measuring 6.9 magnitude on the Richter scale struck near the coast of Peru on Friday, prompting a tsunami warning.According to the German Research Center for Geosciences (GFZ), the quake reached a depth of 10 km.The US National Tsunami Warning Center has issued a tsunami threat based on the available data.Authorities have not reported any immediate damage.Peru is hit by hundreds of detectable earthquakes every year due to its location on the so-called Pacific Ring of Fire, a vast area of intense seismic activity that runs along the west coast of the Americas.Source: Qatar News Agency