Earthquakes
Geology lecture 11
introductory seismology course for undergraduate students
Over 2000 years Aristotle: earthquake as subsurface wind 19 th century: scientific observation begins Understanding: what, why, where, magnitude,
Source: NPS Source: USGS Earthquakes. Seismic Hazard Source: USGS.
Earthquakes Earth shaking. Basic Earthquake Words: The epicenter and focus Force pushing Force pushing Fault is a crack That forms Along the break An.
Earthquakes Chapter 6. Elastic Rebound Theory Rocks on either side of a fault move slowly When locked, stress builds…until fault ruptures Rocks fracture.
E ARTHQUAKES “Whole lotta shakin’ goin’ on” – Jerry Lee Lewis.
Earthquakes: What are they and what causes them to happen?
EARTHQUAKES When good rock goes bad!. An Earthquake begins at the… Focus: The point where the energy is released after elastic limit is reached. Epicenter:
Aim: What are Earthquakes and their characteristics? I. Earthquakes – any vibrating, shaking, or rapid motion of Earth’s crust. A. Fault – zone of weakness.
Welcome to. Some reminders about the game: Group one picks a dollar value and category. Group one picks a dollar value and category. Groups raise hand.
