Stay Eat Events Weather Beaches

Underwater Quake and Aftershocks Off Southern Oregon Coast, Felt As Far As Portland

Published 08/22/2018 at 6:07 PM PDT
By Oregon Coast Beach Connection Staff

Underwater Quake and Aftershocks Off Southern Oregon Coast, Felt As Far As Portland

Latest Coastal Lodging News Alerts
In Seaside:
Includes exclusive listings; check for specials now
In Cannon Beach:
Deals beginning now or soon
In Manzanita, Wheeler, Rockaway Beach:
Check each listing for specials
In Pacific City, Oceanside:
Deals begin soon
In Lincoln City:
Deals on rooms beginning now
In Depoe Bay, Gleneden Beach:
Specials start in September
In Newport:
Specials and deals beginning
In Waldport
New amenities offered; specials
In Yachats, Florence
Specials; lodgings not listed anywhere else

(Coos Bay, Oregon) – A sizable underwater quake shook just off the Oregon coast early Wednesday morning, registering as a magnitude 6.2. It happened about 1:30 a.m., some 170 miles west of Coos Bay. (Graphic courtesy USGS).

There was no tsunami threat with the quake, which is larger than many that take place in that section of the Cascadia Subduction zone. It takes an earthquake 7.0 or higher to generate a tsunami.

According to Jana Pursley with the United States Geological Survey (USGS), it was felt on land with what was termed “weak shaking,” meaning no damage was reported and it was not a strong shaker by any means. It was, however, felt as far away as Rockaway Beach, Seaside and even the Portland area.

Pursley said no one reported anything falling off shelves as well.

According to the USGS website, other inland areas that reported in included Veneta, Grants Pass, Falls City, Sutherlin, Sheridan, Cornelius, Beaverton, parts of northern California and numerous reports from Portland.

A series of small aftershocks also rattled in that area off the Oregon coast afterwards, mostly in and around a magnitude 3.1 to 3.5. Two occurred around 3 a.m., with one much farther out to sea. The latest aftershock happened at 2:31 p.m.

These come from a network of faults that run parallel to the Oregon coast, stretching some 600 miles long along the western U.S., called the Cascadia Subduction Zone.

The region experiences about 20 or more quakes and clusters of quakes per year.

Measurements of earthquake magnitudes are extremely wide, although the increments may appear small. A 7.0 is 1,000 times bigger than a 4.0, according to the USGS. But it is 31,622 times stronger in its release of energy. Stay up-to-date with Oregon, Coast Earthquake Updates - Live Data Oregon, Washington, California, Tsunamis.

Oregon Coast Lodging

 

More Oregon coast below:








More About Oregon Coast hotels, lodging.....

More About Oregon Coast Restaurants, Dining.....

 

Oregon Coast event or adventure you can't miss

 



Coastal Spotlight


LATEST Related Oregon Coast Articles

All of Western Oregon Under Air Alerts - Including Coast
The most serious is an air quality advisory due to smoke from California wildfires. Weather
Fishing Restrictions on Most of Oregon Coast's Upper Half
For all rivers and bays along the coastline from the Necanicum River (at Seaside) south to Florence
Blue Pacific Vacation Rentals, Lincoln City - Depoe Bay
Special: Only $160/Night, see offer code
Lincoln City Holidays: Central Oregon Coast Events for November, December
the central Oregon coast town lights up with the spirit of the season. Lincoln City events
Wildfire Smoke Brings Colored Haze to Portland, Oregon Coast - Possibly Retur...
Moderate air quality in Portland tonight, getting better overnight. Weather
Five Fun Little Oregon Coast Lodgings That Will Be Your New Favorites
You'll find them in Seaside, in Manzanita, Depoe Bay and in Yachats
Coos Bay Holiday Event Growth Creates Traffic Issues: Oregon Coast State Offi...
32nd annual Holiday Lights at Shore Acres kicks off its season on Thanksgiving Day
Oregon Coast Sky Cams - Web Cams, Surf Cams, Weather Cams
Check out the beaches just before you head out: Astoria, Seaside, Gearhart, Cannon Beach, Manzanita, Nehalem, Wheeler, Rockaway Beach, Tillamook, Garibaldi, Oceanside, Pacific City, Lincoln City, Depoe Bay, Newport, Waldport, Yachats

Back to Oregon Coast

Contact Advertise on BeachConnection.net
All Content, unless otherwise attributed, copyright BeachConnection.net Unauthorized use or publication is not permitted

Oregon Coast Lodging
Rentals
Specials

Dining

Events Calendar

Oregon Coast Weather

Travel News

Search for Oregon Coast Subjects, Articles

Virtual Tours, Maps
Deep Details