BEIJING, July. 29 (Xinhua) -- An earthquake measuring 5.3 on the Richter scale jolted off the coast of Oregon at 14:10:22 GMT on Sunday, the U.S. Geological Survey said.

The epicenter, with a depth of 10.0 km, was initially determined to be at 44.0154 degrees north latitude and 128.7675 degrees west longitude.