Earthquakes
Horst and Graben topography forms when the Earth’s crust is stretched, creating normal faults. Blocks of crust drop to form valleys (grabens), while others remain elevated (horsts), resulting in alternating ridges and valleys.
Horst and Graben topography forms when the Earth’s crust is stretched, creating normal faults. Blocks of crust drop to form valleys (grabens), while others remain elevated (horsts), resulting in alternating ridges and valleys.