by KOMO News Staff
COOS BAY, Ore. – A 6.4-magnitude earthquake struck off the coast of Oregon at about 8:10 a.m. Thursday, the U.S. Geological Survey reports.
There were no immediate reports of damage or injury.
The undersea quake was detected about 175 miles west-northwest of Coos Bay at a depth of about 3.35 miles.
No tsunami is expected from the tremor, according to the National Tsunami Warning Center.
The quake was the latest – and the strongest – in a series to strike off the Oregon coast since Aug. 9.