GEOL 11040 Lecture 20: How the Earth Works 10/30/18
30 Oct 2018
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Document Summary
The water cycle and sediment transport are directly linked. Sediment is moved to a body of water. Leaves sediment behind in a place different from where it started. Anything that causes sudden motion of rock. Mostly movement of tectonic plates along fault lines. Caused by sudden release of elastic strain built up across a fault. After years of this, it needs to be released. Most earthquakes are between plates/at plate boundaries - interplate earthquakes. Intraplate earthquakes: earthquakes that aren"t on plate boundaries. Intraplate earthquakes are more common in continental crust than oceanic. Many earthquakes + deep time = mountains. Focus/hypocenter: 3d location of initial rupture during an earthquake. Depth of hypocenter affects the intensity of an earthquakes. Epicenter: the 2d location on the earth"s surface where the most shaking from the. Heavy weight suspended by string in the urn. Can show direction the earthquake came from. Pens shake and make a squiggly line when there"s an earthquake.
