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Earthquakes and Earth's Interior

Faults - Movements that produce earthquakes are usually associated with large fractures in Earth's crust called faults Most of the motion along faults can be explained by plate tectonics

Slippage along Faults

Types of Faults There are three major types of

How do Faults cause Earthquakes?

Principle of the Seismograph

Seismology: Seismographs

Seismology: Body Wave Motion

Seismology: Seismic Waves - Surface waves (Two Types: Love and Rayleigh Waves) + Travel along outer part of Earth

Locating the Source of Earthquakes

The Epicenter Is Located Using Three or More Seismographs

Determining the Size of Earthquakes

Seismic Intensity Map, Loma Prieta, 1989

Measuring the Size of Earthquakes • Magnitude scales

Earthquake Destruction

Can Earthquakes Be Predicted?

Seismic Gaps: Tools for Forecasting

Paleoseismology: The Study of Prehistoric

Review: Body Waves versus Surface Waves

Paths that Seismic Waves Follow through Earth

Earth's Layered Structure

Meteorites

Description:

Explore the fascinating world of earthquakes and Earth's interior in this 51-minute geology lecture. Delve into the mechanics of faults, seismic wave propagation, and earthquake measurement techniques. Learn about different types of faults, seismographs, and how to locate earthquake epicenters. Examine the various scales used to measure earthquake magnitude and intensity, and discover the challenges of earthquake prediction. Investigate seismic gaps, paleoseismology, and the paths seismic waves follow through Earth's layered structure. Gain insights into plate tectonics, earthquake destruction, and the study of meteorites as they relate to understanding our planet's interior.

Geology - Earthquakes and Earth's Interior

Earth and Space Sciences X

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#Science #Earth Science #Geology #Plate Tectonics #Seismology #Earthquakes #Seismic Waves

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