An offshore earthquake rumbled west of the Oregon coast early this morning.

At 4:13 a.m. today (June 15), the U.S. Geological Survey measured a 4.1-magnitude quake.

The epicentre, at a depth of 10 kilometres (six miles), was located 183 kilometres (114 miles) west of Bandon, Oregon; 196 kilometres (121 miles) west of Coos Bay, Oregon; and 335 kilometres (208 miles) southwest of Salem, Oregon.

A tsunami warning wasn’t issued and there weren’t any reports of damage.