A couple of earthquakes struck the two fault lines that run parallel with the Oregon Coast. According to the U.S. Geological Survey, a 3.9-magnitude quake was recorded on the outer fault line early Friday morning, Aug. 12. It was located west of Bandon. The second quake was a 2.5-magnitude also on Friday morning, but west to southwest of Petrolia, CA near Cape Mendocino in Northern California.