Why Does Oklahoma Have a Higher Chance of Damaging Shaking Than California?
You might be surprised to learn that Oklahoma, a state not typically associated with major earthquakes, actually has a higher risk of damaging shaking than California. This is due to a number of factors, including the geology of the region, the rate of induced seismicity, and the building codes in place.
The Geology of Oklahoma
Oklahoma is located in the New Madrid Seismic Zone, a major earthquake fault system that stretches from Illinois to Arkansas. This fault system is capable of producing very large earthquakes, up to magnitude 8.0 or greater. Additionally, Oklahoma is underlain by a layer of sedimentary rock that can amplify seismic waves, making earthquakes feel stronger than they would otherwise.
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| Why Does Oklahoma Have A Higher Chance Of Damaging Shaking Than California |
Induced Seismicity
In recent years, there has been a significant increase in the number of earthquakes in Oklahoma. This is due to induced seismicity, which occurs when wastewater is injected deep underground. The wastewater can cause the rocks to become more brittle, making them more susceptible to earthquakes.
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Building Codes
Building codes in Oklahoma are generally not as strict as those in California. This means that buildings in Oklahoma may not be as well-prepared to withstand a major earthquake.
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So, Why Does Oklahoma Have a Higher Chance of Damaging Shaking Than California?
The combination of these factors makes Oklahoma a high-risk area for earthquakes. While California is also prone to earthquakes, the risk of damaging shaking is generally lower due to the stricter building codes and the lower rate of induced seismicity.
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Related FAQs
How to Prepare for an Earthquake in Oklahoma
- Develop an evacuation plan and practice it with your family.
- Assemble a disaster supply kit that includes food, water, first aid supplies, and a flashlight.
- Secure heavy objects to the wall.
- Learn how to drop, cover, and hold on.
How to Reduce Your Risk of Induced Seismicity
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- Support policies that regulate the injection of wastewater.
- Conserve water to reduce the amount of wastewater that is generated.
- Choose energy-efficient appliances.
How to Check the Seismic Hazard for Your Property
- Visit the website of the United States Geological Survey (USGS) to find information on seismic hazard maps.
- Contact your local building department to find out about the seismic design requirements for your area.
How to Strengthen Your Building to Resist Earthquakes
- Hire a structural engineer to assess your building and recommend retrofitting measures.
- Install base isolators to decouple your building from the ground.
- Strengthen your foundation and walls.
How to Stay Informed About Earthquake Alerts
- Sign up for emergency alerts from your local government.
- Download a smartphone app that provides earthquake alerts.
- Monitor news reports for information about earthquakes.
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