We need someone with experience <a href=" http://www.sightline.co.uk/zoloft-uk-equivalent.pdf ">zoloft uk equivalent </a> The quake was shallow, which can be more destructive. The center said it struck about 20 kilometers (12.4 miles) beneath the surface, while the Gansu provincial earthquake administration said it was just 6 kilometers (3.7 miles) deep. The U.S. Geological Survey measured the magnitude of the initial quake as 5.9 and the depth at 10 kilometers (6 miles).