A magnitude 6.4 earthquake struck off the central Oregon coast at 8:37 p.m. EST tonight, the U.S. Geological Survey reported.

The temblor was located about 240 kilometres west-northwest of Barview, Oregon, at a depth of 9.98 kilometres, the USGS said.

The Pacific Tsunami Warning Center said no current warning or advisory was in effect following the quake.

Lanny Boston, the fire chief in Bandon, Ore., also 240 kilometres from the site of the quake off the Oregon coast, said he had not felt the quake and had received no reports of damage.