The outer fault line of the two that run parallel with the Oregon Coast received a couple of more shakes early Thursday morning, April 29. According to the U.S. Geological Survey, a 5.3, 4.1 & 3.9-magnitudes quakes shook the Pacific Ocean seafloor west of Coos Co. A 3.4-magnitude quake also occurred further south along the line west of Petrolia, CA near Cape Mendocino in Northern California. All were at a depth of six-miles and did not produce a tsunami wave.