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Halfspace Model

By Earthquake Hazards Program 2021 (approx.)
Cross-section of the ground to show the layers: the top layer is brown with green grass and labelled "Surface," the second layer is green and labelled "Layer 1," the third layer is orange and labelled "Layer 2," and the bottom layer is significantly larger and has a grayscale gradient that gets lighter going downward and is labelled "Half-space."
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Detailed Description

Cartoon of half-space model. A half space is a mathematical model used to approximate the earth when performing some calculations in seismology. The model is much simpler than the real earth.

Sources/Usage

Public Domain.