Strong Earthquake Strikes Oregon Coast- Third This Week

Just about a week after a M6.3 earthquake hit 171 miles west, northwest of Bandon on Oregon’s south coast at a depth of 3 miles (5.4km), another M5.9 quake was detected today, September 5, 2019 at almost the same location on the Blanco Transform Fault.

The earthquake rattled the ocean floor at off the Oregon Coast at 8:02 a.m., about 177 miles WNW of Bandon, Oregon. At least 16 people reported feeling the quakes on the USGS homepage.

The earthquake was preceded by a 3.7-magnitude earthquake about 32 miles closer to the Oregon coastline detected at 7:25 a.m.

Both of today’s earthquakes follow a 6.3-magnitude earthquake a week ago in the same region.

The earthquakes are located on the Blanco Transform Fault, not the Cascadia Subduction area, according to officials at the Pacific Northwest Seismic Network.

The transform fault zone runs northeast off the coast of Oregon in the Pacific Northwest of the United States which runs between the Gorda Ridge to the south and the Juan de Fuca Ridge to the north. The latter are linked to the very dangerous and overdue Cascadia Subduction Zone.

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