WASHINGTON - An earthquake measuring 6.9 on the Richter scale jolted 76km ESE of Yunaska Island, Alaska at 2015-07-27 04:49:44 GMT Monday, the U.S. Geological Survey said.

The epicenter, with a depth of 11.93 km, was initially determined to be at 52.3761 degrees north latitude and 169.6581 degrees west longitude.