BANDON, Ore. -- Just before 7:30 Thursday morning, the first of three earthquakes hit off Oregon's coast.

The first one registered 3.7 in strength and roughly 6 miles deep. It hit 155 miles from Bandon, along the Blanco Fracture Zone.

RELATED: 6.3 magnitude earthquake strikes off Oregon Coast 

Approximately 30 minutes after that first quake, the second, stronger earthquake struck about 177 miles from Bandon's shore. It was a 5.9 quake, according to the USGS, and it hit roughly 6 miles deep along the Blanco Fracture Zone.

Then, at about 8:30 a.m. a third quake hit about 162 miles off the coast. That earthquake registered 4.0 in strength, according to the USGS.

There is no threat of a tsunami, the USGS said.

To see an interactive map of the earthquakes, click here. 

This morning's earthquakes come one week after a strong, shallow earthquake hit off Oregon's shore. That one was a 6.3 magnitude quake, registering just about 3 miles under the water, 178 miles from Coos Bay. It was felt by many more people up and down the Pacific Northwest, even north of Seattle.