Islamabad, Shawwal 9, 1436, Jul 25, 2015, SPA -- A magnitude 5.1 earthquake struck very close to Pakistan's capital of Islamabad, the U.S. Geological Survey (USGS) said on Friday, Reuters reported. Although the quake had a moderate magnitude, its epicenter was only 10 miles (16 km) northeast of the populous city. It struck at 1:59 a.m. on Saturday (2059 GMT on Friday) and was very shallow, only 16.2 miles (26 km) deep, the USGS said. A magnitude 5.1 quake is capable of causing considerable damage. -- SPA 00:52 LOCAL TIME 21:52 GMT www.spa.gov.sa/w