EARTHQUAKES. What are Earthquakes? The shaking or trembling of the earth/ground caused by the sudden release of energy Usually associated with faulting.
Seismology and Earth’s Interior. Mass of the Earth Spherical masses behave as if all mass located at central point g = GMe/R 2 Me = gR 2 /G g = 9.8.
Faults and Earthquakes. Some Important Earthquakes 1755 - Lisbon, Portugal Killed 70,000, Raised Waves in Lakes all over Europe First Scientifically Studied.