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How scientists are working to understand the effects of earthquakes

How scientists are working to understand the effects of earthquakes

 


Nearly 500,000 earthquakes are detected worldwide each year, according to the US Geological Survey, and despite how often they occur, there’s a lot scientists don’t yet understand about how shock waves from earthquakes travel and affect areas around the epicenter. . Two major projects are running simultaneously at Lawrence Berkeley National Laboratory and the University of Nevada Reno to help change that, David MacLean is one of the lead scientists on these projects. The first project is called the Soil Fund Project. It includes a large internal structure designed to mimic the interaction between the Earth’s surface and some types of buildings. “The purpose of this project is to be able to create earthquakes in the lab,” McAllen said. To do this, the soil box of a certain size is vibrated, and a set of instruments monitors how the resulting energy waves move through the soil. Square and chassis sitting on top. The ability to take those observations in real time in a controlled laboratory environment is enormous. “It is very difficult to get data in the field about earthquake response,” McAllen said. This difficulty has a lot to do with how unpredictable earthquakes are. In general, MacLean says, it is possible to determine the probability of a strong earthquake along a particular fault line only by examining long-term cycles. But an accurate prediction of where, when and how strong an earthquake will be would be impossible. So, McAllen and a team of other scientists are working on the next best thing: predicting different earthquake outcomes for the most vulnerable communities.” “We actually use the world’s largest and most advanced computers to model the effects of earthquakes on a regional basis,” McClain said. An earthquake can generate it.The video above shows one of the possible ways in which a 7.0-magnitude earthquake could spread along the Hayward Fault across the Bay Area.“This is something entirely new in terms of its magnitude and scope,” McAllen said.These computer models will work in tandem with The results are from the Soil Fund project to improve how scientists model the effects of large earthquakes on high-risk population areas. “What we want to do is run these simulations and then make them publicly available so that researchers and practitioners can all get access to them and benefit from them,” MacLean said. This vulnerable metro is as prepared as possible for the next big earthquake.

Nearly 500,000 earthquakes are detected around the world each year, according to the US Geological Survey.

Despite how often they occur, there is a lot that scientists do not yet understand about how shock waves from earthquakes travel and affect areas around the epicenter.

Two major projects are running simultaneously at Lawrence Berkeley National Laboratory and the University of Nevada Reno to help change that.

David MacLean is one of the leading scholars on these projects.

The first project is called the Soil Fund Project. It includes a large internal structure designed to mimic the interaction between the Earth’s surface and some types of buildings.

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“The purpose of this project is to be able to create earthquakes in the lab,” MacLean said.

To do this, the soil box of a certain size is vibrated, and a set of instruments monitor how the resulting energy waves move through the soil box and the structure on top.

The ability to take those observations in real time in a controlled lab environment is enormous.

“It’s very difficult to get field data on earthquake response,” MacLean said.

This difficulty has a lot to do with how unpredictable earthquakes are. In general, MacLean says, it is possible to determine the probability of a strong earthquake along a particular fault line only by examining the long-term cycles. But it is impossible to predict where, when and how severe the earthquake will be.

So, McAllen and a team of other scientists are working on the next best thing: predicting the different outcomes of earthquakes for the communities most at risk of damage.

“In that, we’re actually using the world’s largest and most advanced computers to model, on a regional basis, the effects of earthquakes,” MacLean said.

These computer models trigger a hypothetical earthquake along a specific fault line and then track the Big Bang of energy that an earthquake would generate. The video above shows one possible way that a 7.0 magnitude earthquake could spread along the Hayward Fault across the Bay Area.

“this is [modeling project] It is completely new in terms of its size and scope,” MacLean said.

These computer models will work in conjunction with the results of the Soil Fund project to improve how scientists model the effects of large earthquakes on high-risk population areas.

“What we want to do is run these simulations and then make them available to the public so that researchers and practitioners can get hold of these suggestions and benefit from them,” MacAllen said.

The hope is to make sure the metro areas at risk are as prepared as possible for the next big earthquake.

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