Cálculo de la energía sísmica radiada por los terremotos
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2024
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25/10/2023
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Universidad Complutense de Madrid
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Abstract
La energía sísmica radiada (𝐸𝑅) es un parámetro sísmico que ayuda en la comprensión de la física de ruptura en un terremoto. Esta junto con el momento sísmico escalar permiten comparar distintos terremotos. La energía total liberada durante dicha ruptura no solo lo hace en forma de ondas sísmicas, también se libera en forma de energía de fractura y de energía de fricción. Sin embargo, cuando solo hay observaciones sísmicas no es posible estimar la energía total liberada. A partir de estas, se puede calcular la energía sísmica radiada y un valor mínimo de la energía de fractura, que permiten obtener la eficiencia de radiación, parámetro importante en la caracterización de las propiedades dinámicas de un terremoto...
Radiated seismic energy (𝐸𝑅) is a seismic parameter that helps to understand the physics of rupture in an earthquake. This and the scalar seismic moment allow us to compare different earthquakes. The total energy released during such a rupture is not only released in the form of seismic waves, but it is also released in the form of fracture energy and friction energy. However, when there are only seismic observations it is not possible to estimate the total energy released. From these, the radiated seismic energy and a minimum value of the fracture energy can be calculated, which allows for obtaining the radiation efficiency, an important parameter in the characterization of the dynamic properties of an earthquake...
Radiated seismic energy (𝐸𝑅) is a seismic parameter that helps to understand the physics of rupture in an earthquake. This and the scalar seismic moment allow us to compare different earthquakes. The total energy released during such a rupture is not only released in the form of seismic waves, but it is also released in the form of fracture energy and friction energy. However, when there are only seismic observations it is not possible to estimate the total energy released. From these, the radiated seismic energy and a minimum value of the fracture energy can be calculated, which allows for obtaining the radiation efficiency, an important parameter in the characterization of the dynamic properties of an earthquake...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Físicas, leída el 25-10-2023