![8.3-magnitude earthquake rocks Chile, tsunami alert issued (4/4)](http://www.ecns.cn/hd/2015/09/17/83ed49872026417092d2c1c5b3e83aa8.jpg)
Residents stand on a street outside their houses after an earthquake hit Chile's central zone, in Valparaiso, Chile, September 16, 2015, locl time. A 8.3-magnitude earthquake hit off the coast of Chile on Wednesday, shaking buildings in the capital city of Santiago and generating a tsunami warning for Chile and Peru. (Photo/Agencies)