Central Oregon DailyGreat Oregon Shakeout Thursday to prepare for the big one

Great Oregon Shakeout Thursday to prepare for the big one

The Great Oregon Shakeout is Thursday morning. More than 500,000 Oregonians are registered to take part in this year’s drill to prepare for an earthquake.

The shakeout is scheduled for 10:20 a.m. During this exercise, participants drop cover and hold on for at least one minute as if a major quake was happening.

The drill comes less than two weeks after a 4.4-magnitude earthquake struck in Oregon’s Cascade foothills.

Officials are always keeping an eye on when the next big one might hit the Cascadia Subduction Zone, which runs north-south just off the Oregon coastline.

RELATED: 4.4 earthquake hits Oregon Cascade foothills

RELATED: Report: Quake-triggered tsunami would hit Seattle in minutes

Here is more on the Great Oregon Shakeout from the Oregon Department of Emergency Management:

Emergency management experts and official preparedness organizations like the United States Geological Survey (USGS) all agree that Drop, Cover and Hold On is the appropriate action to reduce the chance of injury from falling objects and flying debris during earthquakes. When shaking begins or an earthquake alert is received on a cell phone:

    • Drop immediately onto hands and knees. This position protects people from being knocked down and allows them to stay low and crawl to a nearby shelter.
    • Cover the head and neck with one arm and hand. If a sturdy table or desk is nearby, crawl underneath it for shelter. If there is no nearby shelter, crawl next to an interior wall away from windows. Remain on the knees and bend over to protect vital organs.
    • Hold On until shaking stops. If under shelter, hold onto it with one hand and be ready to move with the shelter if it shifts. If there is no shelter, hold onto the head and neck with both arms and hands.

Those with mobility disabilities may need modified actions to the traditional Drop, Cover and Hold On approach, but the premise is the same: Immediately protect oneself as best possible, shielding the head and chest and staying in a safe position until the shaking stops. Earthquakes may be so violent that it’s impossible to walk, crawl, or steer a wheelchair, and people may be knocked to the ground when shaking starts. Those who use a walker, wheelchair or have other mobility impairments are urged to lock any wheels; bend over and cover the head and neck with arms, a book or a pillow; and hold on until the shaking stops.

Oregon averages around 70 earthquakes a year; 15 of those are large enough to be felt. Most are crustal quakes that occur at relatively shallow depths. However, the Cascadia Subduction Zone (CSZ) – a 600-mile fault located off the Pacific coast shoreline – puts Oregon at risk for a 9.0+ magnitude earthquake. A Cascadia quake could cause up to four minutes of shaking or rolling, followed by a tsunami of up to 100 feet in height that will impact the state’s coastal areas.

“A Cascadia quake will devastate the entire Pacific Northwest region, impacting critical infrastructure like energy, drinking water and sewer services, transportation routes and lifesaving health-care facilities for weeks to months or longer,” said Phelps. “Knowing this makes it even more important to build a culture of preparedness in the state. Half a million Oregonians practicing earthquake preparedness at the same time is impressive, but it’s not enough. We need to work toward every Oregonian registering for the Great Oregon ShakeOut as an important step toward keeping themselves safe in the event of a Cascadia quake.”

Additional simple and effective no-cost and low-cost measures people can take to prepare for an earthquake include securing their space by identifying hazards and securing moveable items, signing up to receive local emergency alerts and enabling Wireless Emergency Alerts (WEA) on cell phones. People in Oregon, Washington and California who’ve opted into WEA automatically receive ShakeAlert earthquake early warnings notifications (for quakes in their area with a magnitude of 4.5 or greater), which can offer critical seconds of warning to seek cover from falling objects and brace themselves. 

There are currently two ShakeAlert-powered apps available for download on the app stores: QuakeAlertUSA and MyShake. Those who have the MyShake app will receive a TEST alert at 10:20 a.m. on Oct. 20 for the Great Oregon ShakeOut

OEM recommends people in Oregon be informed and knowledgeable about the hazards where they live and have an emergency plan and enough food, water and supplies to survive for at least two weeks following any disaster. The agency’s 2 Weeks Ready program offers several resources in multiple languages to help people prepare.

Learn more about the Great Oregon ShakeOut and register as a participant at Shakeout.org/Oregon.

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