Series of earthquakes strike off Oregon coast Saturday


PORTLAND, Ore. (KOIN) — A series of earthquakes off the Oregon coast were recorded Saturday by the US Geologic Survey, with the strongest registering at 5.4 about 10 kilometers deep.

The alert level is green, meaning there is a low likelihood of casualties or damage.

The quakes were recorded at 5:43 a.m., 5:52 a.m., 6 a.m., 6:16 a.m., 6:37 a.m. and 6:40 a.m. The quakes registered between a 5.4 and 4.2.

The quakes were more than 200 miles west of the Oregon coast. The USGS said the distance between the quakes’ epicenter to Bandon was 208 miles, 213 miles to Coos Bay and 221 miles to Newport.

Dr. Ashley Streig, a professor of geology and Portland State University said this cluster of earthquakes is nothing to worry about.

“Just small earthquakes that tell us that the Pacific plate is continuing to move past the Juan de Fuca and the Gorda plate,” Steig said. 

Geologists expect this and they are not connected to the Cascadia Subduction Zone earthquake the area is expecting.

These happened along a strike-slip fault line, which is similar to the San Andreas Fault Line in California but it moves differently than the Juan de Fuca plate in the Cascadia Subduction Zone. 

“People should not be worried about these earthquakes,” she said. 

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